Report for 30937

Name

WALHALLA__AS30937, ES

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.

30937 WALHALLA__AS30937, ES

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS198479        BPLAN, ES
    AS3257          GTT-BACKBONE GTT, US

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
16946 AS30937        ORIGIN  Originate:       4096 /20.00  Transit:          0 /0.00  WALHALLA__AS30937, ES

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       %
21694 AS30937       WALHALLA__AS30937, ES                              9      2      1      8      1  11.11%


  Prefix               AS Path                              Aggregation Suggestion
  45.140.10.0/23       4777 2516 3257 30937   
  45.141.124.0/22      4777 2516 3257 30937 + Announce - aggregate of 45.141.124.0/23 (4777 2516 3257 30937) and 45.141.126.0/23 (4777 2516 3257 30937)
  45.141.124.0/23      4777 2516 3257 30937 - Withdrawn - aggregated with 45.141.126.0/23 (4777 2516 3257 30937)
  45.141.126.0/23      4777 2516 3257 30937 - Withdrawn - aggregated with 45.141.124.0/23 (4777 2516 3257 30937)
  45.157.200.0/23      4777 2516 3257 30937   
  80.68.155.0/24       4777 2516 3257 30937   
  91.232.71.0/24       4777 2516 3257 30937   
  185.4.244.0/22       4777 2516 3257 30937   
  188.208.218.0/24     4777 2516 3257 30937   
  193.16.216.0/24      4777 2497 8220 198479 30937   

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

AS30937   4 More Specifics   9 Total Advertisements   WALHALLA__AS30937, ES
    45.140.10.0/23                45.140.8.0/22
    45.141.124.0/23               45.141.124.0/22
    45.141.126.0/23               45.141.124.0/22
    45.157.200.0/23               45.157.200.0/22

Whois Entry

whois: 402332

IANA has recorded AS30937 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.net -r "AS30937\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-AU5)