Report for 39551

Name

GENCAT-AS, 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.

39551 GENCAT-AS, ES

  Adjacency:     4  Upstream:     2  Downstream:     2
  Upstream Adjacent AS list
    AS12479         UNI2-AS, ES
    AS3352          TELEFONICA_DE_ESPANA, ES
  Downstream Adjacent AS list
    AS16153         SCS-AS, ES
    AS21193         XARXA-AS, ES

Announced Prefixes

Rank  AS       Type    Originate Addr Space  (pfx)   Transit Addr space  (pfx)  Description
5295  AS39551        ORG+TRN Originate:      33024 /16.99  Transit:     173568 /14.59 GENCAT-AS, 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       %
 1087 AS39551       GENCAT-AS, ES                                     76     67     10     19     57  75.00%


  Prefix               AS Path                              Aggregation Suggestion
  83.247.128.0/20      4777 2497 5511 12479 39551 + Announce - aggregate of 83.247.128.0/21 (4777 2497 5511 12479 39551) and 83.247.136.0/21 (4777 2497 5511 12479 39551)
  83.247.128.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.129.0/24 (4777 2497 5511 12479 39551)
  83.247.129.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.128.0/24 (4777 2497 5511 12479 39551)
  83.247.130.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.131.0/24 (4777 2497 5511 12479 39551)
  83.247.131.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.130.0/24 (4777 2497 5511 12479 39551)
  83.247.132.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.133.0/24 (4777 2497 5511 12479 39551)
  83.247.133.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.132.0/24 (4777 2497 5511 12479 39551)
  83.247.134.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.135.0/24 (4777 2497 5511 12479 39551)
  83.247.135.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.134.0/24 (4777 2497 5511 12479 39551)
  83.247.136.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.137.0/24 (4777 2497 5511 12479 39551)
  83.247.137.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.136.0/24 (4777 2497 5511 12479 39551)
  83.247.138.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.139.0/24 (4777 2497 5511 12479 39551)
  83.247.139.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.138.0/24 (4777 2497 5511 12479 39551)
  83.247.140.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.141.0/24 (4777 2497 5511 12479 39551)
  83.247.141.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.140.0/24 (4777 2497 5511 12479 39551)
  83.247.142.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.143.0/24 (4777 2497 5511 12479 39551)
  83.247.143.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.142.0/24 (4777 2497 5511 12479 39551)
  83.247.144.0/24      4777 2516 1299 12956 3352 39551 39551   
  83.247.145.0/24      4777 2497 5511 12479 39551   
  83.247.146.0/23      4777 2497 5511 12479 39551 + Announce - aggregate of 83.247.146.0/24 (4777 2497 5511 12479 39551) and 83.247.147.0/24 (4777 2497 5511 12479 39551)
  83.247.146.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.147.0/24 (4777 2497 5511 12479 39551)
  83.247.147.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.146.0/24 (4777 2497 5511 12479 39551)
  83.247.148.0/22      4777 2497 5511 12479 39551 + Announce - aggregate of 83.247.148.0/23 (4777 2497 5511 12479 39551) and 83.247.150.0/23 (4777 2497 5511 12479 39551)
  83.247.148.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.149.0/24 (4777 2497 5511 12479 39551)
  83.247.149.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.148.0/24 (4777 2497 5511 12479 39551)
  83.247.150.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.151.0/24 (4777 2497 5511 12479 39551)
  83.247.151.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.150.0/24 (4777 2497 5511 12479 39551)
  83.247.152.0/21      4777 2497 5511 12479 39551 + Announce - aggregate of 83.247.152.0/22 (4777 2497 5511 12479 39551) and 83.247.156.0/22 (4777 2497 5511 12479 39551)
  83.247.152.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.153.0/24 (4777 2497 5511 12479 39551)
  83.247.153.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.152.0/24 (4777 2497 5511 12479 39551)
  83.247.154.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.155.0/24 (4777 2497 5511 12479 39551)
  83.247.155.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.154.0/24 (4777 2497 5511 12479 39551)
  83.247.156.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.157.0/24 (4777 2497 5511 12479 39551)
  83.247.157.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.156.0/24 (4777 2497 5511 12479 39551)
  83.247.158.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.159.0/24 (4777 2497 5511 12479 39551)
  83.247.159.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.158.0/24 (4777 2497 5511 12479 39551)
  83.247.160.0/20      4777 2497 5511 12479 39551 + Announce - aggregate of 83.247.160.0/21 (4777 2497 5511 12479 39551) and 83.247.168.0/21 (4777 2497 5511 12479 39551)
  83.247.160.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.161.0/24 (4777 2497 5511 12479 39551)
  83.247.161.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.160.0/24 (4777 2497 5511 12479 39551)
  83.247.162.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.163.0/24 (4777 2497 5511 12479 39551)
  83.247.163.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.162.0/24 (4777 2497 5511 12479 39551)
  83.247.164.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.165.0/24 (4777 2497 5511 12479 39551)
  83.247.165.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.164.0/24 (4777 2497 5511 12479 39551)
  83.247.166.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.167.0/24 (4777 2497 5511 12479 39551)
  83.247.167.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.166.0/24 (4777 2497 5511 12479 39551)
  83.247.168.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.169.0/24 (4777 2497 5511 12479 39551)
  83.247.169.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.168.0/24 (4777 2497 5511 12479 39551)
  83.247.170.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.171.0/24 (4777 2497 5511 12479 39551)
  83.247.171.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.170.0/24 (4777 2497 5511 12479 39551)
  83.247.172.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.173.0/24 (4777 2497 5511 12479 39551)
  83.247.173.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.172.0/24 (4777 2497 5511 12479 39551)
  83.247.174.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.175.0/24 (4777 2497 5511 12479 39551)
  83.247.175.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.174.0/24 (4777 2497 5511 12479 39551)
  83.247.176.0/21      4777 2497 5511 12479 39551 + Announce - aggregate of 83.247.176.0/22 (4777 2497 5511 12479 39551) and 83.247.180.0/22 (4777 2497 5511 12479 39551)
  83.247.176.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.177.0/24 (4777 2497 5511 12479 39551)
  83.247.177.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.176.0/24 (4777 2497 5511 12479 39551)
  83.247.178.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.179.0/24 (4777 2497 5511 12479 39551)
  83.247.179.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.178.0/24 (4777 2497 5511 12479 39551)
  83.247.180.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.181.0/24 (4777 2497 5511 12479 39551)
  83.247.181.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.180.0/24 (4777 2497 5511 12479 39551)
  83.247.182.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.183.0/24 (4777 2497 5511 12479 39551)
  83.247.183.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.182.0/24 (4777 2497 5511 12479 39551)
  83.247.184.0/22      4777 2497 5511 12479 39551 + Announce - aggregate of 83.247.184.0/23 (4777 2497 5511 12479 39551) and 83.247.186.0/23 (4777 2497 5511 12479 39551)
  83.247.184.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.185.0/24 (4777 2497 5511 12479 39551)
  83.247.185.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.184.0/24 (4777 2497 5511 12479 39551)
  83.247.186.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.187.0/24 (4777 2497 5511 12479 39551)
  83.247.187.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.186.0/24 (4777 2497 5511 12479 39551)
  83.247.188.0/23      4777 2497 5511 12479 39551 + Announce - aggregate of 83.247.188.0/24 (4777 2497 5511 12479 39551) and 83.247.189.0/24 (4777 2497 5511 12479 39551)
  83.247.188.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.189.0/24 (4777 2497 5511 12479 39551)
  83.247.189.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.188.0/24 (4777 2497 5511 12479 39551)
  83.247.190.0/24      4777 2516 1299 12956 3352 39551 39551   
  83.247.191.0/24      4777 2497 5511 12479 39551   
  83.247.192.0/22      4777 2497 5511 12479 39551 + Announce - aggregate of 83.247.192.0/23 (4777 2497 5511 12479 39551) and 83.247.194.0/23 (4777 2497 5511 12479 39551)
  83.247.192.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.193.0/24 (4777 2497 5511 12479 39551)
  83.247.193.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.192.0/24 (4777 2497 5511 12479 39551)
  83.247.194.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.195.0/24 (4777 2497 5511 12479 39551)
  83.247.195.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.194.0/24 (4777 2497 5511 12479 39551)
  83.247.196.0/23      4777 2497 5511 12479 39551 + Announce - aggregate of 83.247.196.0/24 (4777 2497 5511 12479 39551) and 83.247.197.0/24 (4777 2497 5511 12479 39551)
  83.247.196.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.197.0/24 (4777 2497 5511 12479 39551)
  83.247.197.0/24      4777 2497 5511 12479 39551 - Withdrawn - aggregated with 83.247.196.0/24 (4777 2497 5511 12479 39551)
  83.247.198.0/24      4777 2497 5511 12479 39551   
  83.247.199.0/24      4777 2516 1299 12956 3352 39551 39551   
  83.247.200.0/21      4777 2497 5511 12479 39551   
  83.247.200.0/24      4777 2497 5511 12479 39551 - Withdrawn - matching aggregate 83.247.200.0/21 4777 2497 5511 12479 39551
  83.247.208.0/20      4777 2497 5511 12479 39551   
  83.247.224.0/19      4777 2497 5511 12479 39551   

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

AS39551   76 More Specifics   76 Total Advertisements   GENCAT-AS, ES
    83.247.128.0/24               83.247.128.0/17
    83.247.129.0/24               83.247.128.0/17
    83.247.130.0/24               83.247.128.0/17
    83.247.131.0/24               83.247.128.0/17
    83.247.132.0/24               83.247.128.0/17
    83.247.133.0/24               83.247.128.0/17
    83.247.134.0/24               83.247.128.0/17
    83.247.135.0/24               83.247.128.0/17
    83.247.136.0/24               83.247.128.0/17
    83.247.137.0/24               83.247.128.0/17
    83.247.138.0/24               83.247.128.0/17
    83.247.139.0/24               83.247.128.0/17
    83.247.140.0/24               83.247.128.0/17
    83.247.141.0/24               83.247.128.0/17
    83.247.142.0/24               83.247.128.0/17
    83.247.143.0/24               83.247.128.0/17
    83.247.144.0/24               83.247.128.0/17
    83.247.145.0/24               83.247.128.0/17
    83.247.146.0/24               83.247.128.0/17
    83.247.147.0/24               83.247.128.0/17
    83.247.148.0/24               83.247.128.0/17
    83.247.149.0/24               83.247.128.0/17
    83.247.150.0/24               83.247.128.0/17
    83.247.151.0/24               83.247.128.0/17
    83.247.152.0/24               83.247.128.0/17
    83.247.153.0/24               83.247.128.0/17
    83.247.154.0/24               83.247.128.0/17
    83.247.155.0/24               83.247.128.0/17
    83.247.156.0/24               83.247.128.0/17
    83.247.157.0/24               83.247.128.0/17
    83.247.158.0/24               83.247.128.0/17
    83.247.159.0/24               83.247.128.0/17
    83.247.160.0/24               83.247.128.0/17
    83.247.161.0/24               83.247.128.0/17
    83.247.162.0/24               83.247.128.0/17
    83.247.163.0/24               83.247.128.0/17
    83.247.164.0/24               83.247.128.0/17
    83.247.165.0/24               83.247.128.0/17
    83.247.166.0/24               83.247.128.0/17
    83.247.167.0/24               83.247.128.0/17
    83.247.168.0/24               83.247.128.0/17
    83.247.169.0/24               83.247.128.0/17
    83.247.170.0/24               83.247.128.0/17
    83.247.171.0/24               83.247.128.0/17
    83.247.172.0/24               83.247.128.0/17
    83.247.173.0/24               83.247.128.0/17
    83.247.174.0/24               83.247.128.0/17
    83.247.175.0/24               83.247.128.0/17
    83.247.176.0/24               83.247.128.0/17
    83.247.177.0/24               83.247.128.0/17
    83.247.178.0/24               83.247.128.0/17
    83.247.179.0/24               83.247.128.0/17
    83.247.180.0/24               83.247.128.0/17
    83.247.181.0/24               83.247.128.0/17
    83.247.182.0/24               83.247.128.0/17
    83.247.183.0/24               83.247.128.0/17
    83.247.184.0/24               83.247.128.0/17
    83.247.185.0/24               83.247.128.0/17
    83.247.186.0/24               83.247.128.0/17
    83.247.187.0/24               83.247.128.0/17
    83.247.188.0/24               83.247.128.0/17
    83.247.189.0/24               83.247.128.0/17
    83.247.190.0/24               83.247.128.0/17
    83.247.191.0/24               83.247.128.0/17
    83.247.192.0/24               83.247.128.0/17
    83.247.193.0/24               83.247.128.0/17
    83.247.194.0/24               83.247.128.0/17
    83.247.195.0/24               83.247.128.0/17
    83.247.196.0/24               83.247.128.0/17
    83.247.197.0/24               83.247.128.0/17
    83.247.198.0/24               83.247.128.0/17
    83.247.199.0/24               83.247.128.0/17
    83.247.200.0/21               83.247.128.0/17
    83.247.200.0/24               83.247.128.0/17
    83.247.208.0/20               83.247.128.0/17
    83.247.224.0/19               83.247.128.0/17

Whois Entry

whois: 402332

IANA has recorded AS39551 as originally allocated by 
/usr/bin/whois -h jwhois.apnic.netr "AS39551\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
             
             % Note: this output has been filtered.
             
             % Information related to 'AS38912 - AS39599'
             
             as-block:       AS38912 - AS39599
             descr:          RIPE NCC ASN block
             remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
             mnt-by:         RIPE-NCC-HM-MNT
             created:        2023-08-29T07:47:54Z
             last-modified:  2023-08-29T07:47:54Z
             source:         RIPE
             
             % Information related to 'AS39551'
             
             % Abuse contact for 'AS39551' is 'cert@ciberseguretat.cat'
             
             aut-num:        AS39551
             as-name:        GENCAT-AS
             org:            ORG-CTiT1-RIPE
             import:         from AS3352 accept ANY
             import:         from AS12479 accept ANY
             import:         from AS21193 accept AS21193
             import:         from AS16153 accept AS16153
             import:         from AS25412 accept AS25412
             export:         to AS3352 announce AS39551
             export:         to AS3352 announce AS21193
             export:         to AS3352 announce AS16153
             export:         to AS3352 announce AS25412
             export:         to AS12479 announce AS25412
             export:         to AS12479 announce AS39551
             export:         to AS12479 announce AS21193
             export:         to AS12479 announce AS16153
             export:         to AS21193 announce any
             export:         to AS16153 announce any
             export:         to AS25412 announce any
             admin-c:        AXC6-RIPE
             tech-c:         AXC6-RIPE
             status:         ASSIGNED
             mnt-by:         RIPE-NCC-END-MNT
             mnt-by:         GENCAT-MNT
             created:        2006-03-16T15:30:16Z
             last-modified:  2026-03-30T14:35:53Z
             source:         RIPE
             
             organisation:   ORG-CTiT1-RIPE
             org-name:       Centre de Telecomunicacions i Tecnologies de la Informacio de la Generalitat de Catalunya
             country:        ES
             org-type:       LIR
             address:        Salvador Espriu 45-51
             address:        08908
             address:        L'Hospitalet de Llobregat
             address:        SPAIN
             phone:          +34935574000
             fax-no:         +34935574025
             mnt-ref:        RIPE-NCC-HM-MNT
             mnt-ref:        GENCAT-MNT
             mnt-by:         RIPE-NCC-HM-MNT
             mnt-by:         GENCAT-MNT
             admin-c:        TVC66-RIPE
             abuse-c:        TVC67-RIPE
             created:        2004-04-17T11:16:57Z
             last-modified:  2020-12-16T13:27:36Z
             source:         RIPE # Filtered
             
             %ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
             %
             % 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 1.121.2 (BUSA)