Report for 8047

Name

GCI - GENERAL COMMUNICATION, INC., 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.

8047 GCI - GENERAL COMMUNICATION, INC., US

  Adjacency:    24  Upstream:     4  Downstream:    20
  Upstream Adjacent AS list
    AS7575          AARNET-AS-AP Australian Academic and Research Network AARNet, AU
    AS2914          NTT-DATA-2914 - NTT America, Inc., US
    AS11404         AS-WAVE-1 - Wave Broadband, US
    AS7922          COMCAST-7922 - Comcast Cable Communications, LLC, US
  Downstream Adjacent AS list
    AS397967        CIRI-HQ-01 - Cook Inlet Region, Inc., US
    AS62680         CBJ-JUNEAU-AK - City & Borough of Juneau, US
    AS14789         CLOUDFLARENET - Cloudflare, Inc., US
    AS18443         APSC - Alyeska Pipeline Service Company, US
    AS15269         PAI-AS - ConocoPhillips Company, US
    AS10538         FWB-ALASKA-1 - TelAlaska, US
    AS27575         PROVAK - Providence Hospital, US
    AS22284         AS22284-DOI-OPS - U.S. Department of the Interior, US
    AS33168         INLANDIMAGING - INLAND IMAGING L.L.C., US
    AS22079         APTNET-AS-01 - Alaska Power & Telephone Company, US
    AS36056         ALASK-15 - Alaska Native Medical Center, US
    AS397082        ASRC - Arctic Slope Regional Corporation, US
    AS396006        SPITWSPOTS-HOM - SPITwSPOTS, US
    AS33707         NUSHAGAK-ASN - Nushagak Electric & Telephone Cooperative, Inc., US
    AS397388        BBTC-ALASKA - Bristol Bay Telephone, US
    AS397548        YTC907 - Yakutat Telecom Company, LLC, US
    AS5062          APPLI-39-5062 - Applied Microsystems, Inc., US
    AS53469         KPBSD - Kenai Peninsula Borough School District, US
    AS40094         SOUTHCENTRAL-FOUNDATION-01 - Southcentral Foundation, US
    AS397349        MUTABLE - Mutable, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
878   AS8047         ORG+TRN Originate:     333568 /13.65  Transit:      61696 /16.09 GCI - GENERAL COMMUNICATION, INC., 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       %
 5172 AS8047        GCI - GENERAL COMMUNICATION, INC., US             28     11      2     19      9  32.14%


  Prefix               AS Path                              Aggregation Suggestion
  24.237.0.0/16        4608 7575 8047         
  64.110.28.0/22       4608 7575 8047         
  65.74.0.0/17         4608 7575 8047         
  66.58.128.0/17       4608 7575 8047         
  66.223.128.0/17      4608 7575 8047         
  66.223.192.0/19      4608 7575 8047       - Withdrawn - matching aggregate 66.223.128.0/17 4608 7575 8047
  67.58.0.0/19         4608 7575 8047         
  69.178.0.0/17        4608 7575 8047         
  72.42.128.0/18       4608 7575 8047         
  76.78.180.0/24       4608 7575 8047         
  192.161.132.0/22     4777 2516 7922 8047    
  198.99.16.0/21       4608 7575 8047       + Announce - aggregate of 198.99.16.0/22 (4608 7575 8047) and 198.99.20.0/22 (4608 7575 8047)
  198.99.16.0/24       4608 7575 8047       - Withdrawn - aggregated with 198.99.17.0/24 (4608 7575 8047)
  198.99.17.0/24       4608 7575 8047       - Withdrawn - aggregated with 198.99.16.0/24 (4608 7575 8047)
  198.99.18.0/24       4608 7575 8047       - Withdrawn - aggregated with 198.99.19.0/24 (4608 7575 8047)
  198.99.19.0/24       4608 7575 8047       - Withdrawn - aggregated with 198.99.18.0/24 (4608 7575 8047)
  198.99.20.0/24       4608 7575 8047       - Withdrawn - aggregated with 198.99.21.0/24 (4608 7575 8047)
  198.99.21.0/24       4608 7575 8047       - Withdrawn - aggregated with 198.99.20.0/24 (4608 7575 8047)
  198.99.22.0/24       4608 7575 8047       - Withdrawn - aggregated with 198.99.23.0/24 (4608 7575 8047)
  198.99.23.0/24       4608 7575 8047       - Withdrawn - aggregated with 198.99.22.0/24 (4608 7575 8047)
  198.99.24.0/23       4608 7575 8047       + Announce - aggregate of 198.99.24.0/24 (4608 7575 8047) and 198.99.25.0/24 (4608 7575 8047)
  198.99.24.0/24       4608 7575 8047       - Withdrawn - aggregated with 198.99.25.0/24 (4608 7575 8047)
  198.99.25.0/24       4608 7575 8047       - Withdrawn - aggregated with 198.99.24.0/24 (4608 7575 8047)
  198.185.228.0/24     4608 7575 8047         
  205.148.192.0/18     4608 7575 8047         
  205.159.28.0/24      4608 7575 8047         
  206.162.0.0/17       4608 7575 8047         
  206.174.0.0/17       4608 7575 8047         
  208.69.196.0/23      4608 7575 8047         
  209.165.128.0/18     4608 7575 8047         

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

AS8047   13 More Specifics   28 Total Advertisements   GCI - GENERAL COMMUNICATION, INC., US
    66.223.192.0/19               66.223.128.0/17
    76.78.180.0/24                76.78.0.0/16
    198.99.16.0/24                198.99.16.0/21
    198.99.17.0/24                198.99.16.0/21
    198.99.18.0/24                198.99.16.0/21
    198.99.19.0/24                198.99.16.0/21
    198.99.20.0/24                198.99.16.0/21
    198.99.21.0/24                198.99.16.0/21
    198.99.22.0/24                198.99.16.0/21
    198.99.23.0/24                198.99.16.0/21
    198.99.24.0/24                198.99.24.0/23
    198.99.25.0/24                198.99.24.0/23
    208.69.196.0/23               208.69.196.0/22

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

    - 198.17.216.0/24             Withdrawn

Whois Entry

whois: 402332

IANA has recorded AS8047 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.net -r "AS8047\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)