Report for 33489

Name

COMCAST-33489 - 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.

33489 COMCAST-33489, US

  Adjacency:    24  Upstream:     2  Downstream:    22
  Upstream Adjacent AS list
    AS3356          LEVEL3, US
    AS7922          COMCAST-7922, US
  Downstream Adjacent AS list
    AS17073         ALLEGISGROUP7312, US
    AS26298         NET-BCBSF-ASN, US
    AS21792         FLAGLERHOSPITALINC, US
    AS31977         FECRWY-1, US
    AS29919         29919, US
    AS29871         ASN-SCAD, US
    AS395398        PCSD-NETWORK, US
    AS395955        INTERLINE-BRANDS-INC, US
    AS398990        JAA-ASN-26, US
    AS40429         QISF, US
    AS17397         OPTIMAL-PAYMENTS, CA
    AS17145         TEAJAX, US
    AS13335         CLOUDFLARENET, US
    AS14625         PGA-TOUR, US
    AS10851         SJCB, US
    AS395026        AS-500-RP, US
    AS36174         BAPTISTHEALTH, US
    AS395202        BRADFORD-COUNTY-FLORIDA, US
    AS399653        CCAA-AS-2021, US
    AS36040         YOUTUBE, US
    AS54135         TGNA-WTLV, US
    AS400952        KISSUSA-GA, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
22474 AS33489        ORG+TRN Originate:       2560 /20.68  Transit:       2304 /20.83 COMCAST-33489, 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       %
40237 AS33489       COMCAST-33489, US                                 10      0      0     10      0   0.00%


  Prefix               AS Path                              Aggregation Suggestion
  50.200.193.0/24      6939 7922 33489        
  50.201.41.0/24       6939 7922 33489        
  50.202.221.0/24      6939 7922 33489        
  50.205.34.0/24       3257 7922 33489        
  50.227.73.0/24       3257 7922 33489        
  50.230.87.0/24       3257 7922 33489        
  50.238.249.0/24      3257 7922 33489        
  198.204.31.0/24      7018 7922 33489        
  209.12.49.0/24       7018 7922 33489        
  216.85.81.0/24       7018 7922 33489        

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

AS33489   12 More Specifics   12 Total Advertisements   COMCAST-33489, US
    50.200.193.0/24               50.128.0.0/9
    50.201.41.0/24                50.128.0.0/9
    50.202.221.0/24               50.128.0.0/9
    50.205.34.0/24                50.128.0.0/9
    50.206.228.0/24               50.128.0.0/9
    50.226.83.0/24                50.128.0.0/9
    50.227.73.0/24                50.128.0.0/9
    50.230.87.0/24                50.128.0.0/9
    50.238.249.0/24               50.128.0.0/9
    198.204.31.0/24               198.204.30.0/23
    209.12.49.0/24                209.12.0.0/16
    216.85.81.0/24                216.84.0.0/15

Whois Entry

whois: 402590

IANA has recorded AS33489 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS33489\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:       33489
             ASName:         COMCAST-33489
             ASHandle:       AS33489
             RegDate:        2004-12-30
             Updated:        2021-01-25
             Ref:            https://rdap.arin.net/registry/autnum/33489
             
             
             
             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.
             #