Report for 204631

Name

VIVANET-AS, CH

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.

204631 VIVANET-AS, CH

  Adjacency:     5  Upstream:     5  Downstream:     0
  Upstream Adjacent AS list
    AS34927         IFOG-GMBH, CH
    AS13030         INIT7, CH
    AS174           COGENT-174 - Cogent Communications, LLC, US
    AS63023         AS-GLOBALTELEHOST - GTHost, US
    AS58299         OPENFACTORY-AS Openfactory GmbH, CH

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
16461 AS204631       ORIGIN  Originate:       4352 /19.91  Transit:          0 /0.00  VIVANET-AS, CH

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       %
10868 AS204631      VIVANET-AS, CH                                    13      6      2      9      4  30.77%


  Prefix               AS Path                              Aggregation Suggestion
  185.136.120.0/22     4777 2497 174 204631   
  185.136.120.0/24     4777 2516 13030 204631   
  185.136.121.0/24     4777 2497 174 204631 - Withdrawn - matching aggregate 185.136.120.0/22 4777 2497 174 204631
  185.136.122.0/24     4777 2497 174 204631 - Withdrawn - matching aggregate 185.136.120.0/22 4777 2497 174 204631
  185.136.123.0/24     4777 6939 58299 204631   
  193.27.218.0/23      4777 2497 174 204631   
  193.27.218.0/23      4777 2516 174 204631 + Announce - aggregate of 193.27.218.0/24 (4777 2516 174 204631) and 193.27.219.0/24 (4777 2516 174 204631)
  193.27.218.0/24      4777 2516 174 204631 - Withdrawn - aggregated with 193.27.219.0/24 (4777 2516 174 204631)
  193.27.219.0/24      4777 2516 174 204631 - Withdrawn - aggregated with 193.27.218.0/24 (4777 2516 174 204631)
  199.47.148.0/23      4777 2516 13030 204631 + Announce - aggregate of 199.47.148.0/24 (4777 2516 13030 204631) and 199.47.149.0/24 (4777 2516 13030 204631)
  199.47.148.0/24      4777 2516 13030 204631 - Withdrawn - aggregated with 199.47.149.0/24 (4777 2516 13030 204631)
  199.47.149.0/24      4777 2516 13030 204631 - Withdrawn - aggregated with 199.47.148.0/24 (4777 2516 13030 204631)
  199.47.150.0/24      4777 2497 174 204631   
  199.59.145.0/24      4608 7575 6461 63023 204631   
  199.59.147.0/24      4777 2497 174 34927 204631   

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

AS204631   11 More Specifics   13 Total Advertisements   VIVANET-AS, CH
    185.136.120.0/24              185.136.120.0/22
    185.136.121.0/24              185.136.120.0/22
    185.136.122.0/24              185.136.120.0/22
    185.136.123.0/24              185.136.120.0/22
    193.27.218.0/24               193.27.218.0/23
    193.27.219.0/24               193.27.218.0/23
    199.47.148.0/24               199.47.148.0/22
    199.47.149.0/24               199.47.148.0/22
    199.47.150.0/24               199.47.148.0/22
    199.59.145.0/24               199.59.144.0/22
    199.59.147.0/24               199.59.144.0/22

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

    + 185.136.120.0/24            Announced
    + 185.136.121.0/24            Announced
    + 185.136.122.0/24            Announced

Whois Entry

whois: 402332

IANA has recorded AS204631 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.net -r "AS204631\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)