Report for 33654

Name

CMCS - Comcast Cable Communications, LLC, 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 AS6447) 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.

33654 CMCS, US

  Adjacency:    12  Upstream:     1  Downstream:    11
  Upstream Adjacent AS list
    AS7922          COMCAST-7922, US
  Downstream Adjacent AS list
    AS11710         ABBATECH, US
    AS31948         HQ, US
    AS46808         PSA-ASN-01, US
    AS394997        NEXUM-ABQ-ASN, US
    AS397167        PHS-NM, US
    AS30331         ST-VINCENT, US
    AS400445        NUSENDA-ADMIN-01, US
    AS394037        RIOCITIES-INTERNET, US
    AS62621         SUMMITELEC, US
    AS401002        NM-NOC-CONN-01, US
    AS31883         TIM-2300, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
78391 AS33654        TRANSIT Originate:          0 /0.00   Transit:       2816 /20.54 CMCS, US

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

AS33654   1 More Specifics   1 Total Advertisements   CMCS, US
    50.231.29.0/24                50.128.0.0/9

Bogus ASes Announced by this AS

Bogus AS		Announcing-AS
AS62621	Announced by	AS33654	CMCS - Comcast Cable Communications, LLC, US

Whois Entry

whois: 402590

IANA has recorded AS33654 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS33654\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 1997-2026, American Registry for Internet Numbers, Ltd.
             #
             
             
             ASNumber:       33654
             ASName:         CMCS
             ASHandle:       AS33654
             RegDate:        2005-02-16
             Updated:        2021-01-25
             Ref:            https://rdap.arin.net/registry/autnum/33654
             
             
             
             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 1997-2026, American Registry for Internet Numbers, Ltd.
             #