Report for 199710

Name

PERFORM-AS, GB

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.

199710 PERFORM-AS, GB

  Adjacency:     3  Upstream:     3  Downstream:     0
  Upstream Adjacent AS list
    AS1299          TWELVE99 Arelion, fka Telia Carrier, SE
    AS5405          INTERDOTLINK powered by Inter.link, DE
    AS201933        AS4NET, GB

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
31152 AS199710       ORIGIN  Originate:       1536 /21.42  Transit:          0 /0.00  PERFORM-AS, GB

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       %
18057 AS199710      PERFORM-AS, GB                                     5      2      0      3      2  40.00%


  Prefix               AS Path                              Aggregation Suggestion
  185.42.236.0/23      4777 2497 3257 5405 199710   
  185.42.236.0/24      4777 2497 3257 5405 199710 - Withdrawn - matching aggregate 185.42.236.0/23 4777 2497 3257 5405 199710
  185.42.237.0/24      4777 2497 3257 5405 199710 - Withdrawn - matching aggregate 185.42.236.0/23 4777 2497 3257 5405 199710
  185.42.238.0/24      4608 1221 4637 3223 201933 199710   
  185.42.239.0/24      4777 2497 1299 199710   

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

AS199710   5 More Specifics   5 Total Advertisements   PERFORM-AS, GB
    185.42.236.0/23               185.42.236.0/22
    185.42.236.0/24               185.42.236.0/22
    185.42.237.0/24               185.42.236.0/22
    185.42.238.0/24               185.42.236.0/22
    185.42.239.0/24               185.42.236.0/22

Whois Entry

whois: 402332

IANA has recorded AS199710 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.net -r "AS199710\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)