Report for 33650

Name

COMCAST-33650 - 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 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.

33650 COMCAST-33650 - Comcast Cable Communications, LLC, US

  Adjacency:    38  Upstream:     1  Downstream:    37
  Upstream Adjacent AS list
    AS7922          COMCAST-7922 - Comcast Cable Communications, LLC, US
  Downstream Adjacent AS list
    AS10632         PSE-AS - Puget Sound Energy, US
    AS11307         6750REI - Recreational Equipment Inc., US
    AS11278         NINTENDO - Nintendo Of America inc., US
    AS15307         CHILDRENS-SEATTLE - Childrens Hospital and Regional Medical Center, US
    AS14203         JUNIPER-NETWORKS - Juniper Networks, Inc., US
    AS11270         TSCU-01 - Peak Credit Union, US
    AS20168         AM-US-AMER-PRECOR-PRECO-11 - Precor Incorporated, US
    AS18625         DIO-6464 - Data IO Corporation, US
    AS32092         AAI-BLI-AS - Altair Advanced Industries, US
    AS36026         AS-CHI-CORP - CommonSpirit Health, US
    AS33168         INLANDIMAGING - INLAND IMAGING L.L.C., US
    AS32108         ASN-WSECU - WSECU, US
    AS36075         SPACELABS-HEALTHCARE - SpaceLabs Medical, Inc., US
    AS36329         INTRADO - Intrado Life & Safety, Inc., US
    AS394608        KEXP-AS-NAME - KEXP, US
    AS395442        HERITAGEBANK - Heritage Bank, US
    AS395617        PLYMOUTH - Plymouth Poultry Company, US
    AS393786        THEDOCTORSCLINIC - The Doctors Clinic, US
    AS393272        PORT-MADISON-ENTERPRISES - Port Madison Enterprises, US
    AS396296        HORIZON-CREDIT-UNION-57 - Horizon Credit Union, US
    AS396402        MULTICARE-HEALTH-SYSTEM - MultiCare Health System, US
    AS397804        LDTUS-01 - Lighthouse Document Technologies, Inc, US
    AS397183        FLEX-K-L - Flextronics International USA, Inc., US
    AS398241        CELLNETIX - CELLNETIX LABS LLC, US
    AS396489        PPGNHI - PLANNED PARENTHOOD GREAT NORTHWEST, HAWAII, ALASKA, INDIANA, AND KENTUCKY, US
    AS395974        COMCAST-MES - Comcast Cable Communications, LLC, US
    AS40391         CHSINC - CHS COOPERATIVES FOUNDATION, US
    AS40410         USFRCS-BGP - FRIT, US
    AS62483         TEREX-AWP - Terex USA, LLC, US
    AS55214         COAST - Coast Communications Company, US
    AS63029         PAYSCALE-WEB - Payscale, Inc., US
    AS62801         -Reserved AS-, ZZ
    AS63422         WORLDVISION - World Vision, Inc., US
    AS399716        ISHIP-CORP - ISHIP, INC., US
    AS36040         YOUTUBE - Google LLC, US
    AS20940         AKAMAI-ASN1, NL
    AS16763         TIDEWORKS - Tideworks Technology, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
15936 AS33650        ORG+TRN Originate:       4608 /19.83  Transit:      41216 /16.67 COMCAST-33650 - Comcast Cable Communications, LLC, US

Aggregation Suggestions

        Filter: Aggregates, Specifics

This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.

 Rank AS            AS Name                                      Current  Wthdw  Aggte  Annce Redctn       %
40495 AS33650       COMCAST-33650 - Comcast Cable Communications,     13      0      0     13      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  50.202.174.0/24      4777 2516 7922 33650   
  50.204.37.0/24       4777 2516 7922 33650   
  50.204.214.0/24      4777 2516 7922 33650   
  50.207.166.0/24      4777 2516 7922 33650   
  50.216.238.0/24      4777 2516 7922 33650   
  50.222.54.0/24       4777 2516 7922 33650   
  50.226.76.0/23       4777 2516 7922 33650   
  50.234.46.0/23       4777 2516 7922 33650   
  50.238.166.0/24      4777 2516 7922 33650   
  50.238.235.0/24      4777 2516 7922 33650   
  64.145.72.0/24       4777 2516 7922 33650   
  107.0.168.0/24       4777 2516 7922 33650   
  199.79.96.0/22       4777 2516 7922 33650   

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

AS33650   12 More Specifics   13 Total Advertisements   COMCAST-33650 - Comcast Cable Communications, LLC, US
    50.202.174.0/24               50.128.0.0/9
    50.204.37.0/24                50.128.0.0/9
    50.204.214.0/24               50.128.0.0/9
    50.207.166.0/24               50.128.0.0/9
    50.216.238.0/24               50.128.0.0/9
    50.222.54.0/24                50.128.0.0/9
    50.226.76.0/23                50.128.0.0/9
    50.234.46.0/23                50.128.0.0/9
    50.238.166.0/24               50.128.0.0/9
    50.238.235.0/24               50.128.0.0/9
    107.0.168.0/24                107.0.0.0/14
    199.79.96.0/22                199.79.64.0/18

Bogus ASes Announced by this AS

Bogus AS		Announcing-AS
AS62801	Announced by	AS33650	COMCAST-33650 - Comcast Cable Communications, LLC, US

Whois Entry

whois: 402332

IANA has recorded AS33650 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS33650\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:       33650
             ASName:         COMCAST-33650
             ASHandle:       AS33650
             RegDate:        2005-02-16
             Updated:        2021-01-25
             Ref:            https://rdap.arin.net/registry/autnum/33650
             
             
             
             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.
             #