Report for 33660

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.

33660 CMCS, US

  Adjacency:    59  Upstream:     2  Downstream:    57
  Upstream Adjacent AS list
    AS3356          LEVEL3, US
    AS7922          COMCAST-7922, US
  Downstream Adjacent AS list
    AS10444         ZB NATIONAL ASSOCIATION, US
    AS11052         IHC-NET, US
    AS11688         LTSTREAM, US
    AS11791         SLC-IDENT-AS, US
    AS11396         TWC-ASN, US
    AS14034         SWIRE-COCA-COLA-USA-DRAPER-REDUNDANT-ACCESS, US
    AS14950         LHM-GROUP, US
    AS17150         AFCU, US
    AS19477         FLYINGJ, US
    AS19648         LDSCHURCH1, US
    AS1746          SIRSIDYNIXAS, US
    AS20229         MERRICK-AS, US
    AS19831         STAMPIN, US
    AS17206         MOUNTAIN-AMERICA, US
    AS16785         USANA-INC, US
    AS23154         SANMINA-SCI, US
    AS25655         OSTK-COM, US
    AS27480         MTC-CORP, US
    AS29919         29919, US
    AS29864         SPORTSMANS-WAREHOUSE, US
    AS27178         HSPS-HQ, US
    AS26740         LIFEWAVE-ORG-1, US
    AS23389         CAMPBELL-SCIENTIFIC, US
    AS32230         PRESTIGEFINANCIAL1420, US
    AS35977         QPASS-1, US
    AS33173         MYGN-, US
    AS393541        ESS-CORP, US
    AS393546        ARUP, US
    AS393908        INTEGRACORE, US
    AS393557        PCMC, US
    AS393940        ULTRADENT-PRODUCTS, US
    AS395344        IVANTI-BD, US
    AS397157        -Reserved AS-, ZZ
    AS395994        VECC911, US
    AS393917        CVE, US
    AS398957        WKUS-01, US
    AS399885        EVANS-SUTHERLAND-ASN, US
    AS399421        EMI-HEALTH, US
    AS399965        UTAH-JAZZ, US
    AS397612        ANX, US
    AS393459        DOMOINC772, US
    AS32602         CORP-HDQTRS, US
    AS30639         CMCFLEX, US
    AS210           WEST-NET-WEST, US
    AS400284        LTP-USDC-FO-01, US
    AS46309         TONAQUINT-DC, US
    AS54629         AFSTORES-AS, US
    AS55018         PRIME, US
    AS54977         MERITMEDICAL, US
    AS63169         BMA, US
    AS55251         TAXHAWK-AS, US
    AS54308         RETOUCHUP, US
    AS53882         COMMUNITECT, US
    AS40644         IFS, US
    AS400179        PDQCOM, US
    AS13335         CLOUDFLARENET, US
    AS10786         CHARTWAY-FCU, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
18756 AS33660        ORG+TRN Originate:       3584 /20.19  Transit:      10496 /18.64 CMCS, US

Aggregation Suggestions

        Filter: Aggregates, Specifics

 Rank AS            AS Name                                      Current  Wthdw  Aggte  Annce Redctn       %
21989 AS33660       CMCS, US                                          14      2      1     13      1   7.14%


  Prefix               AS Path                              Aggregation Suggestion
  50.168.66.0/24       4777 2516 7922 33660   
  50.204.89.0/24       4777 2516 7922 33660   
  50.207.68.0/24       4777 2516 7922 33660   
  50.217.32.0/24       4777 2516 7922 33660   
  50.222.146.0/24      4777 2516 7922 33660   
  50.222.157.0/24      4777 2516 7922 33660   
  50.224.25.0/24       4777 2516 7922 33660   
  50.224.26.0/24       4777 2516 7922 33660   
  50.227.51.0/24       4777 2516 7922 33660   
  50.237.123.0/24      4777 2516 7922 33660   
  107.1.111.0/24       4777 2516 7922 33660   
  129.134.166.0/23     4777 2516 7922 33660 + Announce - aggregate of 129.134.166.0/24 (4777 2516 7922 33660) and 129.134.167.0/24 (4777 2516 7922 33660)
  129.134.166.0/24     4777 2516 7922 33660 - Withdrawn - aggregated with 129.134.167.0/24 (4777 2516 7922 33660)
  129.134.167.0/24     4777 2516 7922 33660 - Withdrawn - aggregated with 129.134.166.0/24 (4777 2516 7922 33660)
  192.16.177.0/24      4608 4826 3356 33660   

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

AS33660   13 More Specifics   14 Total Advertisements   CMCS, US
    50.168.66.0/24                50.128.0.0/9
    50.204.89.0/24                50.128.0.0/9
    50.207.68.0/24                50.128.0.0/9
    50.217.32.0/24                50.128.0.0/9
    50.222.146.0/24               50.128.0.0/9
    50.222.157.0/24               50.128.0.0/9
    50.224.25.0/24                50.128.0.0/9
    50.224.26.0/24                50.128.0.0/9
    50.227.51.0/24                50.128.0.0/9
    50.237.123.0/24               50.128.0.0/9
    107.1.111.0/24                107.0.0.0/14
    129.134.166.0/24              129.134.0.0/16
    129.134.167.0/24              129.134.0.0/16

Bogus ASes Announced by this AS

Bogus AS		Announcing-AS
AS397157	Announced by	AS33660	CMCS, US

Whois Entry

whois: 401308

IANA has recorded AS33660 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS33660\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:       33660
             ASName:         CMCS
             ASHandle:       AS33660
             RegDate:        2005-02-16
             Updated:        2021-01-25    
             Ref:            https://rdap.arin.net/registry/autnum/33660
             
             
             
             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
             
             
             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
             
             OrgRoutingHandle: ROUTI25-ARIN
             OrgRoutingName:   Routing
             OrgRoutingPhone:  +1-856-792-2300 
             OrgRoutingEmail:  routing@comcast.com
             OrgRoutingRef:    https://rdap.arin.net/registry/entity/ROUTI25-ARIN
             
             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
             
             
             #
             # 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.
             #