Report for 33659

Name

CMCS, 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.

33659 CMCS, US

  Adjacency:    36  Upstream:     2  Downstream:    34
  Upstream Adjacent AS list
    AS3356          LEVEL3, US
    AS7922          COMCAST-7922, US
  Downstream Adjacent AS list
    AS53694         CABRINI-ASN, US
    AS10794         BANKAMERICA, US
    AS11205         CITY-OF-PHILADELPHIA, US
    AS13839         P1P3R, US
    AS15644         FRESENIUS, DE
    AS16958         BCIU-22, US
    AS16681         ETS, US
    AS15185         HIBBERT-EAST, US
    AS21669         NJ-STATEWIDE-LIBRARY-NETWORK, US
    AS19677         NJTRANSIT, US
    AS18583         HATTERASCPC, US
    AS22774         -Reserved AS-, ZZ
    AS25625         IPAI, US
    AS23280         VENN, US
    AS30597         AMBEST-ASN, US
    AS32806         MTN, US
    AS32460         COPS-MONITORING, US
    AS29891         NCCWO-ASN1-VZBLVL3CMCST, US
    AS17317         THING5-NA, US
    AS11662         DMG-385, US
    AS36040         YOUTUBE, US
    AS394206        DHLC-AS, US
    AS394110        BNFP, US
    AS394096        CAPEREGIONALHEALTHSYSTEM, US
    AS394839        -Reserved AS-, ZZ
    AS40886         PRAC, US
    AS46363         HOLYFAMILY, US
    AS54291         SJH-ASN01, US
    AS54268         CAPITALHEALTH, US
    AS55104         BIOC-ASN, US
    AS54678         GRMIMS, US
    AS397589        AMERICAN-DREAM-NJ, US
    AS6343          PICS, US
    AS33141         NOCSERVICES, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
13522 AS33659        ORG+TRN Originate:       6400 /19.36  Transit:       8192 /19.00 CMCS, US

Aggregation Suggestions

        Filter: Aggregates, Specifics

 Rank AS            AS Name                                      Current  Wthdw  Aggte  Annce Redctn       %
12296 AS33659       CMCS, US                                          25      6      3     22      3  12.00%


  Prefix               AS Path                              Aggregation Suggestion
  50.174.21.0/24       4777 2516 7922 33659   
  50.174.29.0/24       4777 2516 7922 33659   
  50.174.30.0/23       4777 2516 7922 33659 + Announce - aggregate of 50.174.30.0/24 (4777 2516 7922 33659) and 50.174.31.0/24 (4777 2516 7922 33659)
  50.174.30.0/24       4777 2516 7922 33659 - Withdrawn - aggregated with 50.174.31.0/24 (4777 2516 7922 33659)
  50.174.31.0/24       4777 2516 7922 33659 - Withdrawn - aggregated with 50.174.30.0/24 (4777 2516 7922 33659)
  50.174.32.0/24       4777 2516 7922 33659   
  50.174.98.0/24       4777 2516 7922 33659   
  50.218.16.0/24       4777 2516 7922 33659   
  50.223.132.0/24      4777 2516 7922 33659   
  50.226.61.0/24       4777 2516 7922 33659   
  50.228.255.0/24      4777 2516 7922 33659   
  50.229.146.0/24      4777 2516 7922 33659   
  50.231.89.0/24       4777 2516 7922 33659   
  50.231.144.0/24      4777 2516 7922 33659   
  50.231.154.0/24      4777 2516 7922 33659   
  50.231.216.0/24      4777 2516 7922 33659   
  50.235.249.0/24      4777 2516 7922 33659   
  50.238.108.0/23      4777 2516 7922 33659 + Announce - aggregate of 50.238.108.0/24 (4777 2516 7922 33659) and 50.238.109.0/24 (4777 2516 7922 33659)
  50.238.108.0/24      4777 2516 7922 33659 - Withdrawn - aggregated with 50.238.109.0/24 (4777 2516 7922 33659)
  50.238.109.0/24      4777 2516 7922 33659 - Withdrawn - aggregated with 50.238.108.0/24 (4777 2516 7922 33659)
  68.234.42.0/24       4777 2516 7922 33659   
  107.0.169.0/24       4777 2516 7922 33659   
  158.62.212.0/24      4777 2516 7922 33659   
  158.62.214.0/23      4777 2516 7922 33659 + Announce - aggregate of 158.62.214.0/24 (4777 2516 7922 33659) and 158.62.215.0/24 (4777 2516 7922 33659)
  158.62.214.0/24      4777 2516 7922 33659 - Withdrawn - aggregated with 158.62.215.0/24 (4777 2516 7922 33659)
  158.62.215.0/24      4777 2516 7922 33659 - Withdrawn - aggregated with 158.62.214.0/24 (4777 2516 7922 33659)
  192.64.165.0/24      4777 2516 7922 33659   
  209.23.217.0/24      4777 2516 7922 33659   

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

AS33659   24 More Specifics   25 Total Advertisements   CMCS, US
    50.174.21.0/24                50.128.0.0/9
    50.174.29.0/24                50.128.0.0/9
    50.174.30.0/24                50.128.0.0/9
    50.174.31.0/24                50.128.0.0/9
    50.174.32.0/24                50.128.0.0/9
    50.174.98.0/24                50.128.0.0/9
    50.218.16.0/24                50.128.0.0/9
    50.223.132.0/24               50.128.0.0/9
    50.226.61.0/24                50.128.0.0/9
    50.228.255.0/24               50.128.0.0/9
    50.229.146.0/24               50.128.0.0/9
    50.231.89.0/24                50.128.0.0/9
    50.231.144.0/24               50.128.0.0/9
    50.231.154.0/24               50.128.0.0/9
    50.231.216.0/24               50.128.0.0/9
    50.235.249.0/24               50.128.0.0/9
    50.238.108.0/24               50.128.0.0/9
    50.238.109.0/24               50.128.0.0/9
    68.234.42.0/24                68.234.40.0/21
    107.0.169.0/24                107.0.0.0/14
    158.62.212.0/24               158.62.208.0/20
    158.62.214.0/24               158.62.208.0/20
    158.62.215.0/24               158.62.208.0/20
    209.23.217.0/24               209.23.192.0/18

Bogus ASes Announced by this AS

Bogus AS		Announcing-AS
AS22774	Announced by	AS33659	CMCS, US
AS394839	Announced by	AS33659	CMCS, US

Whois Entry

whois: 401308

IANA has recorded AS33659 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS33659\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:       33659
             ASName:         CMCS
             ASHandle:       AS33659
             RegDate:        2005-02-16
             Updated:        2021-01-25    
             Ref:            https://rdap.arin.net/registry/autnum/33659
             
             
             
             OrgName:        Comcast Cable Communications, LLC
             OrgId:          CCCS
             Address:        1800 Bishops Gate Blvd
             City:           Mt Laurel
             StateProv:      NJ
             PostalCode:     08054
             Country:        US
             RegDate:        2001-09-18
             Updated:        2020-11-18
             Ref:            https://rdap.arin.net/registry/entity/CCCS
             
             
             OrgTechHandle: IC161-ARIN
             OrgTechName:   Comcast Cable Communications Inc
             OrgTechPhone:  +1-856-792-2300 
             OrgTechEmail:  CNIPEO-Ip-registration@cable.comcast.com
             OrgTechRef:    https://rdap.arin.net/registry/entity/IC161-ARIN
             
             OrgRoutingHandle: ROUTI25-ARIN
             OrgRoutingName:   Routing
             OrgRoutingPhone:  +1-856-792-2300 
             OrgRoutingEmail:  routing@comcast.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/ROUTI25-ARIN
             
             OrgAbuseHandle: NAPO-ARIN
             OrgAbuseName:   Network Abuse and Policy Observance
             OrgAbusePhone:  +1-888-565-4329 
             OrgAbuseEmail:  abuse@comcast.net
             OrgAbuseRef:    https://rdap.arin.net/registry/entity/NAPO-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.
             #