Report for 12271

Name

TWC-12271-NYC, US

AS Adjacency Report

In the context of this report "Upstream" indicates that there is an adjacent AS that lines between the BGP table collection point (in this case at AS2.0) and the specified AS. Similarly, "Downstream" refers to an adjacent AS that lies beyond the specified AS. This upstream / downstream categorisation is strictly a description relative topology, and should not be confused with provider / customer / peer inter-AS relationships.

12271 TWC-12271-NYC, US

  Adjacency:    45  Upstream:     2  Downstream:    43
  Upstream Adjacent AS list
    AS6453          AS6453, US
    AS7843          TWC-7843-BB, US
  Downstream Adjacent AS list
    AS19794         CEMENTWORKS, US
    AS40458         CMIGNET, US
    AS32730         NAHQPU, US
    AS46765         ASN1, US
    AS26738         DEERFIELD, US
    AS11606         ARCHTOP-FIBER-WVTC02, US
    AS14465         HITN-AS-1, US
    AS16770         ASTGEN, US
    AS19796         SHUBERT, US
    AS18694         SDWARREN, US
    AS22252         AS22252, US
    AS20252         JSIWMC, US
    AS22303         NEWPALTZEDU, US
    AS18564         SJU149068, US
    AS25891         SVA-ANS, US
    AS25669         TOWERPRODUCTS, US
    AS31869         LL-BEAN, US
    AS30012         ASN-UNIVERSAL-MUSIC-GROUP-INC, US
    AS33010         INTERCHURCH, US
    AS32275         MCKINSEY-US-STP, US
    AS32225         MCGRAW-BCM, US
    AS25909         STEVE-MADDEN, US
    AS23325         MCL-ASN, US
    AS14478         RECURSE-CENTER, US
    AS33176         DTCCAAS, US
    AS394343        -Reserved AS-, ZZ
    AS393753        AS393753, US
    AS393569        9-11-MEMORIAL, US
    AS395060        MACMILLAN-PUBLISHERS, US
    AS395095        GARNET-HEALTH, US
    AS396137        INFOR-AS-3, US
    AS40362         CHAPIN-AS, US
    AS400392        EMPIRE-1, US
    AS399601        601-LEXINGTON-BGP, US
    AS395090        GAGOSIAN-GALLERY, US
    AS53592         KEPOS, US
    AS55123         37589, US
    AS55273         360-MADDISON-BGP, US
    AS63405         CANON-BUSINESS-PROCESS-SERVICES-UT, US
    AS62566         STARBUCKS, US
    AS53693         RAA-NYC-NET, US
    AS42228         BRIGHTSTAR Brightstar AS object, GB
    AS33428         NHS-39AS, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
193   AS12271        ORG+TRN Originate:    3068672 /10.45  Transit:     114688 /15.19 TWC-12271-NYC, US

Aggregation Suggestions

        Filter: Aggregates, Specifics

 Rank AS            AS Name                                      Current  Wthdw  Aggte  Annce Redctn       %
 1123 AS12271       TWC-12271-NYC, US                                185     71     21    135     50  27.03%


  Prefix               AS Path                              Aggregation Suggestion
  23.230.215.0/24      4777 2516 7843 12271   
  23.246.64.0/18       4777 6939 7843 12271 + Announce - aggregate of 23.246.64.0/19 (4777 6939 7843 12271) and 23.246.96.0/19 (4777 6939 7843 12271)
  23.246.64.0/19       4777 6939 7843 12271 - Withdrawn - aggregated with 23.246.96.0/19 (4777 6939 7843 12271)
  23.246.96.0/19       4777 6939 7843 12271 - Withdrawn - aggregated with 23.246.64.0/19 (4777 6939 7843 12271)
  24.29.96.0/19        4777 6939 7843 12271   
  24.29.128.0/19       4777 6939 7843 12271   
  24.30.224.0/20       4777 6939 7843 12271   
  24.39.104.0/21       4777 6939 7843 12271   
  24.39.112.0/20       4777 6939 7843 12271   
  24.39.128.0/19       4777 6939 7843 12271   
  24.90.0.0/16         4777 6939 7843 12271 + Announce - aggregate of 24.90.0.0/17 (4777 6939 7843 12271) and 24.90.128.0/17 (4777 6939 7843 12271)
  24.90.0.0/19         4777 6939 7843 12271 - Withdrawn - aggregated with 24.90.32.0/19 (4777 6939 7843 12271)
  24.90.32.0/19        4777 6939 7843 12271 - Withdrawn - aggregated with 24.90.0.0/19 (4777 6939 7843 12271)
  24.90.64.0/18        4777 6939 7843 12271 - Withdrawn - aggregated with 24.90.0.0/18 (4777 6939 7843 12271)
  24.90.128.0/19       4777 6939 7843 12271 - Withdrawn - aggregated with 24.90.160.0/19 (4777 6939 7843 12271)
  24.90.160.0/20       4777 6939 7843 12271 - Withdrawn - aggregated with 24.90.176.0/20 (4777 6939 7843 12271)
  24.90.176.0/20       4777 6939 7843 12271 - Withdrawn - aggregated with 24.90.160.0/20 (4777 6939 7843 12271)
  24.90.192.0/18       4777 6939 7843 12271 - Withdrawn - aggregated with 24.90.128.0/18 (4777 6939 7843 12271)
  24.97.123.0/24       4777 6939 7843 12271   
  24.97.124.0/22       4777 6939 7843 12271   
  24.97.184.0/23       4777 6939 7843 12271   
  24.97.200.0/21       4777 6939 7843 12271   
  24.102.64.0/18       4777 6939 7843 12271   
  24.103.0.0/17        4777 6939 7843 12271 + Announce - aggregate of 24.103.0.0/18 (4777 6939 7843 12271) and 24.103.64.0/18 (4777 6939 7843 12271)
  24.103.0.0/18        4777 6939 7843 12271 - Withdrawn - aggregated with 24.103.64.0/18 (4777 6939 7843 12271)
  24.103.64.0/18       4777 6939 7843 12271 - Withdrawn - aggregated with 24.103.0.0/18 (4777 6939 7843 12271)
  24.103.224.0/19      4777 6939 7843 12271 + Announce - aggregate of 24.103.224.0/20 (4777 6939 7843 12271) and 24.103.240.0/20 (4777 6939 7843 12271)
  24.103.224.0/20      4777 6939 7843 12271 - Withdrawn - aggregated with 24.103.240.0/20 (4777 6939 7843 12271)
  24.103.240.0/20      4777 6939 7843 12271 - Withdrawn - aggregated with 24.103.224.0/20 (4777 6939 7843 12271)
  24.104.192.0/18      4777 6939 7843 12271   
  24.105.128.0/19      4777 6939 7843 12271 + Announce - aggregate of 24.105.128.0/20 (4777 6939 7843 12271) and 24.105.144.0/20 (4777 6939 7843 12271)
  24.105.128.0/20      4777 6939 7843 12271 - Withdrawn - aggregated with 24.105.144.0/20 (4777 6939 7843 12271)
  24.105.143.0/24      4777 6939 7843 12271 - Withdrawn - matching aggregate 24.105.128.0/20 4777 6939 7843 12271
  24.105.144.0/20      4777 6939 7843 12271 - Withdrawn - aggregated with 24.105.128.0/20 (4777 6939 7843 12271)
  24.136.96.0/19       4777 6939 7843 12271 + Announce - aggregate of 24.136.96.0/20 (4777 6939 7843 12271) and 24.136.112.0/20 (4777 6939 7843 12271)
  24.136.96.0/20       4777 6939 7843 12271 - Withdrawn - aggregated with 24.136.112.0/20 (4777 6939 7843 12271)
  24.136.112.0/20      4777 6939 7843 12271 - Withdrawn - aggregated with 24.136.96.0/20 (4777 6939 7843 12271)
  24.161.0.0/17        4777 6939 7843 12271   
  24.164.128.0/18      4777 6939 7843 12271 + Announce - aggregate of 24.164.128.0/19 (4777 6939 7843 12271) and 24.164.160.0/19 (4777 6939 7843 12271)
  24.164.128.0/19      4777 6939 7843 12271 - Withdrawn - aggregated with 24.164.160.0/19 (4777 6939 7843 12271)
  24.164.160.0/19      4777 6939 7843 12271 - Withdrawn - aggregated with 24.164.128.0/19 (4777 6939 7843 12271)
  24.168.0.0/17        4777 6939 7843 12271 + Announce - aggregate of 24.168.0.0/18 (4777 6939 7843 12271) and 24.168.64.0/18 (4777 6939 7843 12271)
  24.168.0.0/18        4777 6939 7843 12271 - Withdrawn - aggregated with 24.168.64.0/18 (4777 6939 7843 12271)
  24.168.64.0/19       4777 6939 7843 12271 - Withdrawn - aggregated with 24.168.96.0/19 (4777 6939 7843 12271)
  24.168.96.0/19       4777 6939 7843 12271 - Withdrawn - aggregated with 24.168.64.0/19 (4777 6939 7843 12271)
  24.168.128.0/19      4777 6939 7843 12271   
  24.193.0.0/16        4777 6939 7843 12271 + Announce - aggregate of 24.193.0.0/17 (4777 6939 7843 12271) and 24.193.128.0/17 (4777 6939 7843 12271)
  24.193.0.0/18        4777 6939 7843 12271 - Withdrawn - aggregated with 24.193.64.0/18 (4777 6939 7843 12271)
  24.193.64.0/19       4777 6939 7843 12271 - Withdrawn - aggregated with 24.193.96.0/19 (4777 6939 7843 12271)
  24.193.96.0/20       4777 6939 7843 12271 - Withdrawn - aggregated with 24.193.112.0/20 (4777 6939 7843 12271)
  24.193.112.0/20      4777 6939 7843 12271 - Withdrawn - aggregated with 24.193.96.0/20 (4777 6939 7843 12271)
  24.193.128.0/17      4777 6939 7843 12271 - Withdrawn - aggregated with 24.193.0.0/17 (4777 6939 7843 12271)
  24.213.160.0/19      4777 6939 7843 12271   
  24.213.180.0/22      4777 6939 7843 12271 - Withdrawn - matching aggregate 24.213.160.0/19 4777 6939 7843 12271
  45.38.250.0/24       4777 6939 7843 12271   
  45.39.52.0/24        4777 6939 7843 12271   
  45.39.87.0/24        4777 6939 7843 12271   
  45.39.171.0/24       4777 6939 7843 12271   
  45.39.178.0/24       4777 6939 7843 12271   
  45.39.185.0/24       4777 6939 7843 12271   
  45.39.188.0/24       4777 6939 7843 12271   
  45.39.239.0/24       4777 6939 7843 12271   
  47.230.0.0/16        4777 6939 7843 12271   
  50.74.0.0/16         4777 6939 7843 12271   
  50.74.0.0/18         4777 6939 7843 12271 - Withdrawn - matching aggregate 50.74.0.0/16 4777 6939 7843 12271
  50.75.192.0/18       4777 6939 7843 12271   
  66.65.0.0/17         4777 6939 7843 12271   
  66.65.128.0/18       4777 6939 7843 12271   
  66.108.0.0/16        4777 6939 7843 12271 + Announce - aggregate of 66.108.0.0/17 (4777 6939 7843 12271) and 66.108.128.0/17 (4777 6939 7843 12271)
  66.108.0.0/17        4777 6939 7843 12271 - Withdrawn - aggregated with 66.108.128.0/17 (4777 6939 7843 12271)
  66.108.128.0/17      4777 6939 7843 12271 - Withdrawn - aggregated with 66.108.0.0/17 (4777 6939 7843 12271)
  66.110.97.0/24       4777 6939 7843 12271   
  67.243.0.0/16        4777 6939 7843 12271   
  67.244.0.0/19        4777 6939 7843 12271   
  67.244.64.0/18       4777 6939 7843 12271   
  67.245.0.0/16        4777 6939 7843 12271   
  67.247.0.0/18        4777 6939 7843 12271   
  67.247.96.0/19       4777 6939 7843 12271   
  67.250.0.0/16        4777 6939 7843 12271   
  67.251.128.0/19      4777 6939 7843 12271   
  67.251.192.0/18      4777 6939 7843 12271   
  67.251.192.0/19      4777 6939 7843 12271 - Withdrawn - matching aggregate 67.251.192.0/18 4777 6939 7843 12271
  67.254.0.0/16        4777 6939 7843 12271   
  68.172.208.0/20      4777 6939 7843 12271   
  68.172.224.0/19      4777 6939 7843 12271   
  68.173.0.0/16        4777 6939 7843 12271   
  68.174.0.0/16        4777 6939 7843 12271 + Announce - aggregate of 68.174.0.0/17 (4777 6939 7843 12271) and 68.174.128.0/17 (4777 6939 7843 12271)
  68.174.0.0/18        4777 6939 7843 12271 - Withdrawn - aggregated with 68.174.64.0/18 (4777 6939 7843 12271)
  68.174.64.0/18       4777 6939 7843 12271 - Withdrawn - aggregated with 68.174.0.0/18 (4777 6939 7843 12271)
  68.174.128.0/18      4777 6939 7843 12271 - Withdrawn - aggregated with 68.174.192.0/18 (4777 6939 7843 12271)
  68.174.192.0/18      4777 6939 7843 12271 - Withdrawn - aggregated with 68.174.128.0/18 (4777 6939 7843 12271)
  68.174.240.0/20      4777 6939 7843 12271 - Withdrawn - matching aggregate 68.174.192.0/18 4777 6939 7843 12271
  68.175.0.0/17        4777 6939 7843 12271   
  69.193.128.0/17      4777 6939 7843 12271 + Announce - aggregate of 69.193.128.0/18 (4777 6939 7843 12271) and 69.193.192.0/18 (4777 6939 7843 12271)
  69.193.128.0/18      4777 6939 7843 12271 - Withdrawn - aggregated with 69.193.192.0/18 (4777 6939 7843 12271)
  69.193.192.0/19      4777 6939 7843 12271 - Withdrawn - aggregated with 69.193.224.0/19 (4777 6939 7843 12271)
  69.193.224.0/19      4777 6939 7843 12271 - Withdrawn - aggregated with 69.193.192.0/19 (4777 6939 7843 12271)
  69.200.64.0/19       4777 6939 7843 12271   
  69.200.224.0/19      4777 6939 7843 12271   
  69.201.128.0/17      4777 6939 7843 12271 + Announce - aggregate of 69.201.128.0/18 (4777 6939 7843 12271) and 69.201.192.0/18 (4777 6939 7843 12271)
  69.201.128.0/18      4777 6939 7843 12271 - Withdrawn - aggregated with 69.201.192.0/18 (4777 6939 7843 12271)
  69.201.192.0/18      4777 6939 7843 12271 - Withdrawn - aggregated with 69.201.128.0/18 (4777 6939 7843 12271)
  69.202.128.0/17      4777 6939 7843 12271   
  69.203.0.0/17        4777 6939 7843 12271   
  69.203.128.0/19      4777 6939 7843 12271   
  69.203.192.0/18      4777 6939 7843 12271   
  69.204.224.0/19      4777 6939 7843 12271   
  69.206.0.0/16        4777 6939 7843 12271 + Announce - aggregate of 69.206.0.0/17 (4777 6939 7843 12271) and 69.206.128.0/17 (4777 6939 7843 12271)
  69.206.0.0/17        4777 6939 7843 12271 - Withdrawn - aggregated with 69.206.128.0/17 (4777 6939 7843 12271)
  69.206.128.0/17      4777 6939 7843 12271 - Withdrawn - aggregated with 69.206.0.0/17 (4777 6939 7843 12271)
  72.43.96.0/19        4777 6939 7843 12271   
  72.43.128.0/18       4777 6939 7843 12271   
  72.225.64.0/18       4777 6939 7843 12271   
  72.225.128.0/17      4777 6939 7843 12271   
  72.226.0.0/17        4777 6939 7843 12271   
  72.227.128.0/17      4777 6939 7843 12271   
  72.229.0.0/16        4777 6939 7843 12271 + Announce - aggregate of 72.229.0.0/17 (4777 6939 7843 12271) and 72.229.128.0/17 (4777 6939 7843 12271)
  72.229.0.0/17        4777 6939 7843 12271 - Withdrawn - aggregated with 72.229.128.0/17 (4777 6939 7843 12271)
  72.229.128.0/17      4777 6939 7843 12271 - Withdrawn - aggregated with 72.229.0.0/17 (4777 6939 7843 12271)
  72.231.0.0/17        4777 6939 7843 12271   
  74.64.0.0/16         4777 6939 7843 12271   
  74.65.192.0/18       4777 6939 7843 12271   
  74.66.0.0/16         4777 6939 7843 12271   
  74.68.0.0/16         4777 6939 7843 12271 + Announce - aggregate of 74.68.0.0/17 (4777 6939 7843 12271) and 74.68.128.0/17 (4777 6939 7843 12271)
  74.68.0.0/18         4777 6939 7843 12271 - Withdrawn - aggregated with 74.68.64.0/18 (4777 6939 7843 12271)
  74.68.64.0/18        4777 6939 7843 12271 - Withdrawn - aggregated with 74.68.0.0/18 (4777 6939 7843 12271)
  74.68.128.0/17       4777 6939 7843 12271 - Withdrawn - aggregated with 74.68.0.0/17 (4777 6939 7843 12271)
  74.71.0.0/16         4777 6939 7843 12271   
  74.72.0.0/15         4777 6939 7843 12271   
  74.74.0.0/18         4777 6939 7843 12271   
  76.58.52.0/23        4777 6939 7843 12271 + Announce - aggregate of 76.58.52.0/24 (4777 6939 7843 12271) and 76.58.53.0/24 (4777 6939 7843 12271)
  76.58.52.0/24        4777 6939 7843 12271 - Withdrawn - aggregated with 76.58.53.0/24 (4777 6939 7843 12271)
  76.58.53.0/24        4777 6939 7843 12271 - Withdrawn - aggregated with 76.58.52.0/24 (4777 6939 7843 12271)
  98.0.128.0/17        4777 6939 7843 12271   
  98.7.0.0/17          4777 6939 7843 12271   
  98.7.192.0/18        4777 6939 7843 12271   
  98.12.0.0/16         4777 6939 7843 12271   
  98.13.128.0/17       4777 6939 7843 12271 + Announce - aggregate of 98.13.128.0/18 (4777 6939 7843 12271) and 98.13.192.0/18 (4777 6939 7843 12271)
  98.13.128.0/18       4777 6939 7843 12271 - Withdrawn - aggregated with 98.13.192.0/18 (4777 6939 7843 12271)
  98.13.192.0/18       4777 6939 7843 12271 - Withdrawn - aggregated with 98.13.128.0/18 (4777 6939 7843 12271)
  98.14.0.0/15         4777 6939 7843 12271 + Announce - aggregate of 98.14.0.0/16 (4777 6939 7843 12271) and 98.15.0.0/16 (4777 6939 7843 12271)
  98.14.0.0/16         4777 6939 7843 12271 - Withdrawn - aggregated with 98.15.0.0/16 (4777 6939 7843 12271)
  98.15.0.0/17         4777 6939 7843 12271 - Withdrawn - aggregated with 98.15.128.0/17 (4777 6939 7843 12271)
  98.15.128.0/17       4777 6939 7843 12271 - Withdrawn - aggregated with 98.15.0.0/17 (4777 6939 7843 12271)
  104.162.0.0/16       4777 6939 7843 12271   
  104.165.16.0/24      4777 6939 7843 12271   
  104.165.67.0/24      4777 2516 7843 12271   
  104.252.51.0/24      4777 6939 7843 12271   
  104.252.158.0/24     4777 6939 7843 12271   
  104.252.240.0/24     4777 6939 7843 12271   
  107.165.213.0/24     4777 6939 7843 12271   
  107.165.230.0/24     4777 6939 7843 12271   
  107.186.6.0/24       4777 6939 7843 12271   
  107.186.54.0/24      4777 6939 7843 12271   
  107.186.65.0/24      4777 6939 7843 12271   
  107.186.232.0/24     4777 6939 7843 12271   
  107.187.126.0/24     4777 6939 7843 12271   
  108.176.0.0/18       4777 6939 7843 12271   
  108.176.128.0/18     4777 6939 7843 12271   
  108.182.0.0/16       4777 6939 7843 12271   
  136.0.68.0/24        4777 6939 7843 12271   
  136.0.209.0/24       4777 6939 7843 12271   
  142.105.0.0/17       4777 6939 7843 12271   
  142.111.143.0/24     4777 6939 7843 12271   
  142.252.3.0/24       4777 6939 7843 12271   
  142.252.154.0/24     4777 6939 7843 12271   
  142.254.160.0/20     4777 6939 7843 12271   
  142.255.0.0/17       4777 6939 7843 12271   
  149.89.0.0/16        4777 6939 7843 12271   
  150.221.96.0/19      4777 6939 7843 12271   
  158.222.128.0/17     4777 6939 7843 12271   
  166.88.78.0/24       4777 6939 7843 12271   
  170.34.254.0/24      4777 2516 7843 12271   
  172.120.23.0/24      4777 6939 7843 12271   
  172.252.230.0/24     4777 2516 7843 12271   
  172.254.0.0/16       4777 6939 7843 12271   
  184.74.128.0/17      4777 6939 7843 12271 + Announce - aggregate of 184.74.128.0/18 (4777 6939 7843 12271) and 184.74.192.0/18 (4777 6939 7843 12271)
  184.74.128.0/19      4777 6939 7843 12271 - Withdrawn - aggregated with 184.74.160.0/19 (4777 6939 7843 12271)
  184.74.160.0/19      4777 6939 7843 12271 - Withdrawn - aggregated with 184.74.128.0/19 (4777 6939 7843 12271)
  184.74.192.0/19      4777 6939 7843 12271 - Withdrawn - aggregated with 184.74.224.0/19 (4777 6939 7843 12271)
  184.74.208.0/20      4777 6939 7843 12271 - Withdrawn - matching aggregate 184.74.192.0/19 4777 6939 7843 12271
  184.74.224.0/19      4777 6939 7843 12271 - Withdrawn - aggregated with 184.74.192.0/19 (4777 6939 7843 12271)
  184.75.0.0/17        4777 6939 7843 12271   
  184.75.0.0/18        4777 6939 7843 12271 - Withdrawn - matching aggregate 184.75.0.0/17 4777 6939 7843 12271
  184.75.64.0/19       4777 6939 7843 12271 - Withdrawn - matching aggregate 184.75.0.0/17 4777 6939 7843 12271
  184.75.64.0/24       4777 6939 7843 12271 - Withdrawn - matching aggregate 184.75.0.0/17 4777 6939 7843 12271
  184.75.120.0/22      4777 6939 7843 12271 - Withdrawn - matching aggregate 184.75.0.0/17 4777 6939 7843 12271
  184.152.0.0/16       4777 6939 7843 12271   
  184.153.0.0/17       4777 6939 7843 12271   
  192.61.128.0/19      4777 6939 7843 12271   
  192.111.219.0/24     4777 6939 7843 12271   
  192.131.40.0/22      4777 6939 7843 12271   
  198.151.199.0/24     4777 6939 7843 12271   
  198.151.200.0/22     4777 2516 7843 12271 + Announce - aggregate of 198.151.200.0/23 (4777 2516 7843 12271) and 198.151.202.0/23 (4777 2516 7843 12271)
  198.151.200.0/24     4777 2516 7843 12271 - Withdrawn - aggregated with 198.151.201.0/24 (4777 2516 7843 12271)
  198.151.201.0/24     4777 2516 7843 12271 - Withdrawn - aggregated with 198.151.200.0/24 (4777 2516 7843 12271)
  198.151.202.0/24     4777 2516 7843 12271 - Withdrawn - aggregated with 198.151.203.0/24 (4777 2516 7843 12271)
  198.151.203.0/24     4777 2516 7843 12271 - Withdrawn - aggregated with 198.151.202.0/24 (4777 2516 7843 12271)
  198.179.64.0/19      4777 6939 7843 12271   
  204.210.128.0/19     4777 6939 7843 12271   
  205.164.42.0/24      4777 6939 7843 12271   
  207.251.238.0/23     4777 6939 7843 12271   
  208.105.0.0/18       4777 6939 7843 12271   
  208.105.0.0/22       4777 6939 7843 12271 - Withdrawn - matching aggregate 208.105.0.0/18 4777 6939 7843 12271
  208.105.64.0/19      4777 6939 7843 12271   
  208.125.0.0/19       4777 6939 7843 12271   

Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.

AS12271   174 More Specifics   185 Total Advertisements   TWC-12271-NYC, US
    23.230.215.0/24               23.230.0.0/16
    23.246.64.0/19                23.246.64.0/18
    23.246.96.0/19                23.246.64.0/18
    24.29.96.0/19                 24.28.0.0/15
    24.29.128.0/19                24.28.0.0/15
    24.30.224.0/20                24.30.224.0/19
    24.39.104.0/21                24.39.0.0/16
    24.39.112.0/20                24.39.0.0/16
    24.39.128.0/19                24.39.0.0/16
    24.90.0.0/19                  24.90.0.0/16
    24.90.32.0/19                 24.90.0.0/16
    24.90.64.0/18                 24.90.0.0/16
    24.90.128.0/19                24.90.0.0/16
    24.90.160.0/20                24.90.0.0/16
    24.90.176.0/20                24.90.0.0/16
    24.90.192.0/18                24.90.0.0/16
    24.97.123.0/24                24.97.0.0/16
    24.97.124.0/22                24.97.0.0/16
    24.97.184.0/23                24.97.0.0/16
    24.97.200.0/21                24.97.0.0/16
    24.103.0.0/18                 24.103.0.0/16
    24.103.64.0/18                24.103.0.0/16
    24.103.224.0/20               24.103.0.0/16
    24.103.240.0/20               24.103.0.0/16
    24.105.128.0/20               24.105.128.0/18
    24.105.143.0/24               24.105.128.0/18
    24.105.144.0/20               24.105.128.0/18
    24.136.96.0/20                24.136.96.0/19
    24.136.112.0/20               24.136.96.0/19
    24.161.0.0/17                 24.160.0.0/13
    24.164.128.0/19               24.160.0.0/13
    24.164.160.0/19               24.160.0.0/13
    24.168.0.0/18                 24.168.0.0/15
    24.168.64.0/19                24.168.0.0/15
    24.168.96.0/19                24.168.0.0/15
    24.168.128.0/19               24.168.0.0/15
    24.193.0.0/18                 24.193.0.0/16
    24.193.64.0/19                24.193.0.0/16
    24.193.96.0/20                24.193.0.0/16
    24.193.112.0/20               24.193.0.0/16
    24.193.128.0/17               24.193.0.0/16
    24.213.160.0/19               24.213.128.0/17
    24.213.180.0/22               24.213.128.0/17
    45.38.250.0/24                45.38.0.0/15
    45.39.52.0/24                 45.38.0.0/15
    45.39.87.0/24                 45.38.0.0/15
    45.39.171.0/24                45.38.0.0/15
    45.39.178.0/24                45.38.0.0/15
    45.39.185.0/24                45.38.0.0/15
    45.39.188.0/24                45.38.0.0/15
    45.39.239.0/24                45.38.0.0/15
    47.230.0.0/16                 47.224.0.0/13
    50.74.0.0/16                  50.74.0.0/15
    50.74.0.0/18                  50.74.0.0/15
    50.75.192.0/18                50.74.0.0/15
    66.65.0.0/17                  66.65.0.0/16
    66.65.128.0/18                66.65.0.0/16
    66.108.0.0/17                 66.108.0.0/16
    66.108.128.0/17               66.108.0.0/16
    66.110.97.0/24                66.110.0.0/17
    67.243.0.0/16                 67.240.0.0/12
    67.244.0.0/19                 67.240.0.0/12
    67.244.64.0/18                67.240.0.0/12
    67.245.0.0/16                 67.240.0.0/12
    67.247.0.0/18                 67.240.0.0/12
    67.247.96.0/19                67.240.0.0/12
    67.250.0.0/16                 67.240.0.0/12
    67.251.128.0/19               67.240.0.0/12
    67.251.192.0/18               67.240.0.0/12
    67.251.192.0/19               67.240.0.0/12
    67.254.0.0/16                 67.240.0.0/12
    68.172.208.0/20               68.172.0.0/14
    68.172.224.0/19               68.172.0.0/14
    68.173.0.0/16                 68.172.0.0/14
    68.174.0.0/18                 68.172.0.0/14
    68.174.64.0/18                68.172.0.0/14
    68.174.128.0/18               68.172.0.0/14
    68.174.192.0/18               68.172.0.0/14
    68.174.240.0/20               68.172.0.0/14
    68.175.0.0/17                 68.172.0.0/14
    69.193.128.0/18               69.193.0.0/16
    69.193.192.0/19               69.193.0.0/16
    69.193.224.0/19               69.193.0.0/16
    69.200.64.0/19                69.200.0.0/13
    69.200.224.0/19               69.200.0.0/13
    69.201.128.0/18               69.200.0.0/13
    69.201.192.0/18               69.200.0.0/13
    69.202.128.0/17               69.200.0.0/13
    69.203.0.0/17                 69.200.0.0/13
    69.203.128.0/19               69.200.0.0/13
    69.203.192.0/18               69.200.0.0/13
    69.204.224.0/19               69.200.0.0/13
    69.206.0.0/17                 69.200.0.0/13
    69.206.128.0/17               69.200.0.0/13
    72.43.96.0/19                 72.43.0.0/16
    72.43.128.0/18                72.43.0.0/16
    72.225.64.0/18                72.224.0.0/13
    72.225.128.0/17               72.224.0.0/13
    72.226.0.0/17                 72.224.0.0/13
    72.227.128.0/17               72.224.0.0/13
    72.229.0.0/17                 72.224.0.0/13
    72.229.128.0/17               72.224.0.0/13
    72.231.0.0/17                 72.224.0.0/13
    74.64.0.0/16                  74.64.0.0/12
    74.65.192.0/18                74.64.0.0/12
    74.66.0.0/16                  74.64.0.0/12
    74.68.0.0/18                  74.64.0.0/12
    74.68.64.0/18                 74.64.0.0/12
    74.68.128.0/17                74.64.0.0/12
    74.71.0.0/16                  74.64.0.0/12
    74.72.0.0/15                  74.64.0.0/12
    74.74.0.0/18                  74.64.0.0/12
    76.58.52.0/24                 76.32.0.0/11
    76.58.53.0/24                 76.32.0.0/11
    98.0.128.0/17                 98.0.0.0/12
    98.7.0.0/17                   98.0.0.0/12
    98.7.192.0/18                 98.0.0.0/12
    98.12.0.0/16                  98.0.0.0/12
    98.13.128.0/18                98.0.0.0/12
    98.13.192.0/18                98.0.0.0/12
    98.14.0.0/16                  98.0.0.0/12
    98.15.0.0/17                  98.0.0.0/12
    98.15.128.0/17                98.0.0.0/12
    104.165.16.0/24               104.164.0.0/15
    104.165.67.0/24               104.164.0.0/15
    104.252.51.0/24               104.252.0.0/15
    104.252.158.0/24              104.252.0.0/15
    104.252.240.0/24              104.252.0.0/15
    107.165.213.0/24              107.164.0.0/15
    107.165.230.0/24              107.164.0.0/15
    107.186.6.0/24                107.186.0.0/15
    107.186.54.0/24               107.186.0.0/15
    107.186.65.0/24               107.186.0.0/15
    107.186.232.0/24              107.186.0.0/15
    107.187.126.0/24              107.186.0.0/15
    108.176.0.0/18                108.176.0.0/17
    108.176.128.0/18              108.176.128.0/17
    108.182.0.0/16                108.182.0.0/15
    136.0.68.0/24                 136.0.0.0/16
    136.0.209.0/24                136.0.0.0/16
    142.105.0.0/17                142.105.0.0/16
    142.111.143.0/24              142.111.0.0/16
    142.252.3.0/24                142.252.0.0/16
    142.252.154.0/24              142.252.0.0/16
    142.254.160.0/20              142.254.128.0/17
    150.221.96.0/19               150.221.0.0/16
    166.88.78.0/24                166.88.0.0/16
    170.34.254.0/24               170.34.0.0/16
    172.120.23.0/24               172.120.0.0/15
    172.252.230.0/24              172.252.0.0/16
    184.74.128.0/19               184.74.0.0/16
    184.74.160.0/19               184.74.0.0/16
    184.74.192.0/19               184.74.0.0/16
    184.74.208.0/20               184.74.0.0/16
    184.74.224.0/19               184.74.0.0/16
    184.75.0.0/18                 184.75.0.0/17
    184.75.64.0/19                184.75.0.0/17
    184.75.64.0/24                184.75.0.0/17
    184.75.120.0/22               184.75.0.0/17
    184.152.0.0/16                184.152.0.0/15
    184.153.0.0/17                184.152.0.0/15
    192.61.128.0/19               192.60.0.0/14
    198.151.200.0/24              198.151.200.0/22
    198.151.201.0/24              198.151.200.0/22
    198.151.202.0/24              198.151.200.0/22
    198.151.203.0/24              198.151.200.0/22
    198.179.64.0/19               198.179.64.0/18
    204.210.128.0/19              204.210.0.0/16
    205.164.42.0/24               205.164.0.0/18
    207.251.238.0/23              207.251.224.0/20
    208.105.0.0/18                208.105.0.0/16
    208.105.0.0/22                208.105.0.0/16
    208.105.64.0/19               208.105.0.0/16
    208.125.0.0/19                208.125.0.0/16

Bogus ASes Announced by this AS

Bogus AS		Announcing-AS
AS394343	Announced by	AS12271	TWC-12271-NYC, US

Whois Entry

whois: 401308

IANA has recorded AS12271 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS12271\n             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2024, American Registry for Internet Numbers, Ltd.
             #
             
             
             ASNumber:       12271
             ASName:         TWC-12271-NYC
             ASHandle:       AS12271
             RegDate:        2000-06-09
             Updated:        2018-11-27    
             Ref:            https://rdap.arin.net/registry/autnum/12271
             
             
             
             OrgName:        Charter Communications Inc
             OrgId:          CC-3517
             Address:        6175 S. Willow Dr
             City:           Greenwood Village
             StateProv:      CO
             PostalCode:     80111
             Country:        US
             RegDate:        2018-10-10
             Updated:        2022-09-14
             Comment:        Legacy Time Warner Cable IP Assets
             Ref:            https://rdap.arin.net/registry/entity/CC-3517
             
             
             OrgAbuseHandle: ABUSE19-ARIN
             OrgAbuseName:   Abuse
             OrgAbusePhone:  +1-877-777-2263 
             OrgAbuseEmail:  abuse@charter.net
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/ABUSE19-ARIN
             
             OrgTechHandle: IPADD1-ARIN
             OrgTechName:   IPAddressing
             OrgTechPhone:  +1-866-248-7662 
             OrgTechEmail:  PublicIPAddressing@charter.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/IPADD1-ARIN
             
             
             #
             # ARIN WHOIS data and services are subject to the Terms of Use
             # available at: https://www.arin.net/resources/registry/whois/tou/
             #
             # If you see inaccuracies in the results, please report at
             # https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
             #
             # Copyright 1997-2024, American Registry for Internet Numbers, Ltd.
             #