Report for 33490

Name

COMCAST-33490 - 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.

33490 COMCAST-33490, US

  Adjacency:    58  Upstream:     2  Downstream:    56
  Upstream Adjacent AS list
    AS3356          LEVEL3, US
    AS7922          COMCAST-7922, US
  Downstream Adjacent AS list
    AS19147         VANCOUVER-CLINIC, US
    AS22463         ADS-17-22463, US
    AS23172         PENTAGONFEDERALCU, US
    AS29921         SAIFCO, US
    AS33644         OSUFCUASN, US
    AS36036         M-FINANCIAL, US
    AS394687        PFSCNET, US
    AS394196        OCCU-CORP-INET, US
    AS394171        ONPOINTCCU, US
    AS399209        ACUMED-02, US
    AS399513        MODA-PARTNERS-INC-01, US
    AS395270        -Reserved AS-, ZZ
    AS62977         PAPEGROUP, US
    AS26038         ELVT-CLOUD-AND-CONNX, US
    AS22171         IPSV-ASN1, US
    AS397819        CPI, US
    AS397510        CPI, US
    AS40298         GPDATACENTER, US
    AS32086         PSHP-AS, US
    AS396456        THEMAC-1891, US
    AS39949         CITYOFVANCOUVER-, US
    AS398838        STRAUB-COLLABORATIVE, US
    AS11746         WAGGENER-EDSTROM, US
    AS11396         TWC-ASN, US
    AS13541         SIEMENS-DISW-WIV-B-ORW, US
    AS11995         OHSU, US
    AS14327         PGE-ONLINE, US
    AS13888         BEARCREEK-AS, US
    AS1823          HANNAH-MOTOR, US
    AS15045         KITTELSON, US
    AS23182         GREENBRIER-AS, US
    AS21718         NW-NATURAL-GAS, US
    AS18661         DCA-BGP, US
    AS23431         AHSW-ROSEVILLE, US
    AS29984         WILLAMETTE, US
    AS31128         SHAZAM-AS, IE
    AS36564         MENTORGRAPHICS-WIV-B-TAH, US
    AS395141        PRMHQ-AS1, US
    AS393408        UNIV-PORTLAND, US
    AS36612         CLARKCOUNTYWA, US
    AS398977        PACIFICU-OREGON, US
    AS396115        ILANIRESORT, US
    AS36040         YOUTUBE, US
    AS25652         AS-SHCFCU, US
    AS399540        ABSCI-US-001, US
    AS23408         TBI-001, US
    AS401829        --No Registry Entry--
    AS40227         IPNS-LAB, US
    AS54067         CSC-ASN, US
    AS5705          COLUMBIA-CREDIT-UNION, US
    AS53752         USDIGITAL, US
    AS7441          OMEGADC, US
    AS7406          PDX-DC, US
    AS53531         SENECA-ASN, US
    AS401151        MCOR-AS, US
    AS400517        LINESPEED-AS-01, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
7727  AS33490        ORG+TRN Originate:      16640 /17.98  Transit:     239104 /14.13 COMCAST-33490, 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       %
22417 AS33490       COMCAST-33490, US                                 38      2      1     37      1   2.63%


  Prefix               AS Path                              Aggregation Suggestion
  50.204.255.0/24      7018 7922 33490        
  50.206.113.0/24      7018 7922 33490        
  50.228.52.0/24       7018 7922 33490        
  50.228.76.0/24       7018 7922 33490        
  50.229.227.0/24      7018 7922 33490        
  50.232.199.0/24      6939 7922 33490        
  50.236.220.0/24      7018 7922 33490        
  50.238.126.0/24      6939 7922 33490        
  50.238.127.0/24      7018 7922 33490        
  72.19.22.0/24        7018 7922 33490        
  74.49.229.0/24       2152 7922 33490        
  74.49.241.0/24       2152 7922 33490        
  74.49.243.0/24       2152 7922 33490        
  74.49.245.0/24       2152 7922 33490        
  74.49.247.0/24       2152 7922 33490        
  74.50.12.0/22        7018 7922 33490        
  104.145.48.0/20      7018 7922 33490        
  104.247.154.0/23     2152 7922 33490        
  107.0.49.0/24        7018 7922 33490        
  107.0.67.0/24        7018 7922 33490        
  129.134.133.0/24     2152 7922 33490        
  129.134.134.0/24     7018 7922 33490        
  140.99.27.0/24       2152 7922 33490        
  140.99.59.0/24       2152 7922 33490        
  140.99.123.0/24      2152 7922 33490        
  140.99.151.0/24      2152 7922 33490        
  140.99.211.0/24      2152 7922 33490        
  173.211.82.0/23      2152 7922 33490        
  192.83.221.0/24      7018 7922 33490        
  199.244.171.0/24     7018 7922 33490        
  199.244.172.0/24     7018 7922 33490        
  204.76.179.0/24      7018 7922 33490        
  204.76.180.0/23      6939 7922 33490        
  205.234.233.0/24     2152 7922 33490        
  216.122.120.0/21     2152 7922 33490      + Announce - aggregate of 216.122.120.0/22 (2152 7922 33490) and 216.122.124.0/22 (2152 7922 33490)
  216.122.120.0/22     2152 7922 33490      - Withdrawn - aggregated with 216.122.124.0/22 (2152 7922 33490)
  216.122.124.0/22     2152 7922 33490      - Withdrawn - aggregated with 216.122.120.0/22 (2152 7922 33490)
  216.246.30.0/24      2152 7922 33490        
  216.246.122.0/24     2152 7922 33490        

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

AS33490   20 More Specifics   25 Total Advertisements   COMCAST-33490, US
    50.173.7.0/24                 50.128.0.0/9
    50.204.255.0/24               50.128.0.0/9
    50.206.113.0/24               50.128.0.0/9
    50.219.165.0/24               50.128.0.0/9
    50.220.20.0/24                50.128.0.0/9
    50.228.52.0/24                50.128.0.0/9
    50.228.76.0/24                50.128.0.0/9
    50.229.227.0/24               50.128.0.0/9
    50.232.199.0/24               50.128.0.0/9
    50.235.72.0/24                50.128.0.0/9
    50.236.220.0/24               50.128.0.0/9
    50.237.244.0/24               50.128.0.0/9
    50.238.126.0/24               50.128.0.0/9
    50.238.127.0/24               50.128.0.0/9
    107.0.49.0/24                 107.0.0.0/14
    107.0.67.0/24                 107.0.0.0/14
    129.134.133.0/24              129.134.0.0/16
    129.134.134.0/24              129.134.0.0/16
    192.158.206.0/24              192.158.204.0/22
    204.76.179.0/24               204.76.176.0/22

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

    + 192.158.206.0/24            Announced
    - 192.83.221.0/24             Withdrawn

Whois Entry

whois: 402332

IANA has recorded AS33490 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.net -r "AS33490\n             % [whois.apnic.net]
             % Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
             
             %ERROR:101: no entries found
             %
             % No entries found in source APNIC,JPNIC,KRNIC,TWNIC,IDNIC,IRINN-GRS.
             
             % This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU4)