Report for 33287

Name

COMCAST-33287 - 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.

33287 COMCAST-33287 - Comcast Cable Communications, LLC, US

  Adjacency:    77  Upstream:     1  Downstream:    76
  Upstream Adjacent AS list
    AS7922          COMCAST-7922 - Comcast Cable Communications, LLC, US
  Downstream Adjacent AS list
    AS11267         PEIRCE-PHELPS - Peirce-Phelps, Inc., US
    AS11731         AS11731 - Weston Solutions, Inc., US
    AS11396         TWC-ASN - Williams Information Technology LLC, US
    AS14539         VLABS - Vantage Labs LLC, US
    AS14531         LM-ATL - Lockheed Martin Corporation, US
    AS1620          AS-DOELEGAL - doeLEGAL, Inc., US
    AS16758         RICOH USA - Ricoh USA, Inc., US
    AS16958         BCIU-22 - Bucks County Intermediate Unit #22, US
    AS17003         ZOETIS-INC - Zoetis Inc., US
    AS15243         WIDENER - Widener University, US
    AS15038         CAMBINC-1 - The Cambridge Incubator, LLC, US
    AS13550         ROTHMAN-01 - Reconstructive Orthopaedic Associates II LLC, US
    AS19576         EASTERN-AS-01 - Eastern University, US
    AS20390         FSS - Feith Systems and Software, Inc., US
    AS22641         NNPI - Novo Nordisk Pharmaceutical, Inc., US
    AS22638         PHILORCH-ASN - The Philadelphia Orchestra Association, US
    AS21897         VIRTUA-HEALTH - Virtua Health, US
    AS19826         UHS-088 - UNIVERSAL HEALTH SERVICES, US
    AS17035         NBCUNI-17035 - NBCUniversal, US
    AS13339         -Reserved AS-, ZZ
    AS23062         JWPEPPER - J.W. Pepper & Son, Inc., US
    AS26764         RWJF-AS - The Robert Wood Johnson Foundation, US
    AS26881         DASTOR-LLC - IPR International, LLC., US
    AS30183         HRCAC-1 - Hard Rock Hotel and Casino Atlantic City, US
    AS32691         CSC - Corporation Service Company, US
    AS31836         USLI - United States Liability Insurance Group, US
    AS30330         ARI-9000 - Automotive Rentals, Inc., US
    AS26998         NFII-ASN - NFI Industries, Inc, US
    AS22928         CMR1385 - CMR LLC, US
    AS33163         HEALTHPARTNERSPA - Health Partners Plans, Inc., US
    AS33014         MARLINLEASING - MARLIN LEASING CORPORATION, US
    AS33575         TFINET-PUBLIC - The Franklin Institute Science Museum, US
    AS33615         EVHC - Envision Healthcare Holdings, Inc, US
    AS36533         698ALEX - Computer Solutions, US
    AS36350         AS-DEVEREUX - The Devereux Foundation, US
    AS36253         DCIUNET - Delaware County Intermediate Unit, US
    AS36040         YOUTUBE - Google LLC, US
    AS33261         PHRG - Power Home Remodeling LLC, US
    AS32949         UNITED-REFRIGERATION - UNITED REFRIGERATION INC, US
    AS393228        VINELAND - City of Vineland Board of Education, US
    AS393516        EDMAMERICASASN - EDM Americas, US
    AS393307        CHSNJ-ASN1 - Cooper University Hospital, US
    AS393527        ICANON - ICANON Associates, Inc., US
    AS36679         -Reserved AS-, ZZ
    AS397380        TEMPLE-HEALTH - Temple University Health System, Inc., US
    AS399885        EVANS-SUTHERLAND-ASN - Evans & Sutherland Computer Corporation, US
    AS397986        PA-CONVENTION-CENTER - Pennsylvania Convention Center Authority, US
    AS397401        WILLIAM-HILL-01 - William Hill, US
    AS395503        COMTEC-ASN - ComTec Cloud, US
    AS394916        PHLAIRPORT - Philadelphia International Airport, US
    AS401071        SEA-BOX - Sea Box, Inc., US
    AS401539        KLUST-US-DE1 - Corvex, Inc., US
    AS401733        WTS-MSP - Wachter Technology Solutions, US
    AS400843        AUDACY - Audacy, US
    AS46363         HOLYFAMILY - Holy Family University, US
    AS46274         UPHS - Penn Medicine, US
    AS40471         INCYTECORP - Incyte Corporation, US
    AS53419         -Reserved AS-, ZZ
    AS53532         CINNAMINSON-SCHOOLS - The Board of Education of the Township of Cinnaminson, US
    AS54544         WM-549-01 - Woodward McCoach Inc., US
    AS54485         PCOM-EDU - Philadelphia College of Osteopathic Medicine, US
    AS53750         NEUMANN-UNIVERSITY - Neumann University, US
    AS53434         SRI-INTERNATIONAL-PRINCETON - SRI International, US
    AS53373         MATH-INC - Mathematica, Inc., US
    AS53291         WSFS-ASN - WSFS Bank, US
    AS62541         VSH-ASN - Vishay Intertechnology, Inc., US
    AS54682         CFCU01 - Citadel Federal Credit Union, US
    AS54568         BGIM-ASN-2 - Brandywine Global Investments, US
    AS62644         NBCSN-DMZ - NBC Sports Network, US
    AS46807         GLOUC-NJ - County of Gloucester, US
    AS62958         ADT-LLC - ADT LLC, US
    AS7328          CHOP - The Childrens Hospital of Philadelphia, US
    AS64287         IPS - IPS-INTEGRATED PROJECT SERVICES, LLC, US
    AS62870         PMG - Princeton Medical Group, US
    AS40177         THE-INSTITUTES - The Institutes, US
    AS32752         YCST-AS - Young Conaway Stargatt & Taylor, LLP, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
10771 AS33287        ORG+TRN Originate:       9216 /18.83  Transit:     248064 /14.08 COMCAST-33287 - 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       %
40346 AS33287       COMCAST-33287 - Comcast Cable Communications,     33      0      0     33      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  24.75.216.0/22       4777 2516 7922 33287   
  24.104.156.0/24      4777 2516 7922 33287   
  50.148.139.0/24      4777 2516 7922 33287   
  50.148.165.0/24      4777 2516 7922 33287   
  50.200.97.0/24       4777 2516 7922 33287   
  50.201.99.0/24       4777 2516 7922 33287   
  50.202.31.0/24       4777 2516 7922 33287   
  50.202.142.0/24      4777 2516 7922 33287   
  50.202.176.0/24      4777 2516 7922 33287   
  50.203.190.0/24      4777 2516 7922 33287   
  50.206.77.0/24       4777 2516 7922 33287   
  50.206.85.0/24       4777 2516 7922 33287   
  50.206.163.0/24      4777 2516 7922 33287   
  50.207.65.0/24       4777 2516 7922 33287   
  50.216.135.0/24      4777 2516 7922 33287   
  50.216.138.0/24      4777 2516 7922 33287   
  50.218.90.0/24       4777 2516 7922 33287   
  50.222.119.0/24      4777 2516 7922 33287   
  50.225.8.0/24        4777 2516 7922 33287   
  50.225.65.0/24       4777 2516 7922 33287   
  50.225.139.0/24      4777 2516 7922 33287   
  50.227.176.0/24      4777 2516 7922 33287   
  50.228.104.0/24      4777 2516 7922 33287   
  50.229.207.0/24      4777 2516 7922 33287   
  50.232.31.0/24       4777 2516 7922 33287   
  50.232.103.0/24      4777 2516 7922 33287   
  107.0.50.0/24        4777 2516 7922 33287   
  107.1.33.0/24        4777 2516 7922 33287   
  107.1.53.0/24        4777 2516 7922 33287   
  107.1.86.0/24        4777 2516 7922 33287   
  107.1.136.0/24       4777 2516 7922 33287   
  198.184.150.0/24     4777 2516 7922 33287   
  209.23.225.0/24      4777 2516 7922 33287   

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

AS33287   32 More Specifics   33 Total Advertisements   COMCAST-33287 - Comcast Cable Communications, LLC, US
    24.75.216.0/22                24.75.208.0/20
    24.104.156.0/24               24.104.128.0/19
    50.148.139.0/24               50.128.0.0/9
    50.148.165.0/24               50.128.0.0/9
    50.200.97.0/24                50.128.0.0/9
    50.201.99.0/24                50.128.0.0/9
    50.202.31.0/24                50.128.0.0/9
    50.202.142.0/24               50.128.0.0/9
    50.202.176.0/24               50.128.0.0/9
    50.203.190.0/24               50.128.0.0/9
    50.206.77.0/24                50.128.0.0/9
    50.206.85.0/24                50.128.0.0/9
    50.206.163.0/24               50.128.0.0/9
    50.207.65.0/24                50.128.0.0/9
    50.216.135.0/24               50.128.0.0/9
    50.216.138.0/24               50.128.0.0/9
    50.218.90.0/24                50.128.0.0/9
    50.222.119.0/24               50.128.0.0/9
    50.225.8.0/24                 50.128.0.0/9
    50.225.65.0/24                50.128.0.0/9
    50.225.139.0/24               50.128.0.0/9
    50.227.176.0/24               50.128.0.0/9
    50.228.104.0/24               50.128.0.0/9
    50.229.207.0/24               50.128.0.0/9
    50.232.31.0/24                50.128.0.0/9
    50.232.103.0/24               50.128.0.0/9
    107.0.50.0/24                 107.0.0.0/14
    107.1.33.0/24                 107.0.0.0/14
    107.1.53.0/24                 107.0.0.0/14
    107.1.86.0/24                 107.0.0.0/14
    107.1.136.0/24                107.0.0.0/14
    209.23.225.0/24               209.23.192.0/18
    104.167.134.0/24              104.167.128.0/18

Prefixes added and withdrawn by this origin AS in the past 7 days.

    - 104.167.134.0/24            Withdrawn

Bogus ASes Announced by this AS

Bogus AS		Announcing-AS
AS13339	Announced by	AS33287	COMCAST-33287 - Comcast Cable Communications, LLC, US
AS36679	Announced by	AS33287	COMCAST-33287 - Comcast Cable Communications, LLC, US
AS53419	Announced by	AS33287	COMCAST-33287 - Comcast Cable Communications, LLC, US

Whois Entry

whois: 402332

IANA has recorded AS33287 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS33287\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:       33287
             ASName:         COMCAST-33287
             ASHandle:       AS33287
             RegDate:        2004-11-16
             Updated:        2021-01-25
             Ref:            https://rdap.arin.net/registry/autnum/33287
             
             
             
             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.
             #