Report for 20905

Name

BancoEspanaAS - Banco de Espana, 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.

20905 BancoEspanaAS - Banco de Espana, ES

  Adjacency:     2  Upstream:     2  Downstream:     0
  Upstream Adjacent AS list
    AS12479         UNI2-AS - Orange Espagne SA, ES
    AS3352          Telefonica_de_EspaNa - TELEFONICA DE ESPANA S.A.U., ES

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
23127 AS20905        ORIGIN  Originate:       2304 /20.83  Transit:          0 /0.00  BancoEspanaAS - Banco de Espana, 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       %
21146 AS20905       BancoEspanaAS - Banco de Espana, ES                4      2      1      3      1  25.00%


  Prefix               AS Path                              Aggregation Suggestion
  77.73.200.0/22       4777 2497 5511 12479 20905   
  77.73.200.0/22       4608 1221 4637 12956 3352 20905 + Announce - aggregate of 77.73.200.0/23 (4608 1221 4637 12956 3352 20905) and 77.73.202.0/23 (4608 1221 4637 12956 3352 20905)
  77.73.200.0/23       4608 1221 4637 12956 3352 20905 - Withdrawn - aggregated with 77.73.202.0/23 (4608 1221 4637 12956 3352 20905)
  77.73.202.0/23       4608 1221 4637 12956 3352 20905 - Withdrawn - aggregated with 77.73.200.0/23 (4608 1221 4637 12956 3352 20905)
  217.124.152.0/24     4608 1221 4637 12956 3352 20905   

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

AS20905   4 More Specifics   4 Total Advertisements   BancoEspanaAS - Banco de Espana, ES
    77.73.200.0/22                77.73.200.0/21
    77.73.200.0/23                77.73.200.0/21
    77.73.202.0/23                77.73.200.0/21
    217.124.152.0/24              217.124.0.0/14

Whois Entry

whois: 402603

IANA has recorded AS20905 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS20905\n             % This is the RIPE Database query service.
             % The objects are in RPSL format.
             %
             % The RIPE Database is subject to Terms and Conditions.
             % See https://docs.db.ripe.net/terms-conditions.html
             
             %ERROR:201: access denied for 203.119.106.26
             %
             % Queries from your IP address have passed the daily limit of controlled objects.
             % Access from your host has been temporarily denied.
             % For more information, see
             % https://docs.db.ripe.net/FAQ#why-did-i-receive-an-error-201-access-denied
             
             % This query was served by the RIPE Database Query Service version 1.122.1 (BUSA)