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AS39551 Centre de Telecomunicacions i Tecnologies de la Informacio de la Generalitat de Catalunya

Spain GENCAT-AS RIPE 76 IPv4 prefixes 0 IPv6 prefixes
IPv4 addresses
32,768
IPv6 /48 networks
0
RPKI
6 valid70 no ROA
Peers and downstreams
5

Holder

AS name
GENCAT-AS
Description
Centre de Telecomunicacions i Tecnologies de la Informacio de la Generalitat de Catalunya
Organisation
Centre de Telecomunicacions i Tecnologies de la Informacio de la Generalitat de Catalunya
Registered in
L'Hospitalet de Llobregat, Spain
Abuse contact
cert@ciberseguretat.cat
Assigned
2006-03-15
Registered
2006-03-16
Record last changed
2026-03-30 14:35 UTC
83.247.128.0/2483.247.129.0/2483.247.130.0/2483.247.131.0/2483.247.132.0/2483.247.133.0/2483.247.134.0/2483.247.135.0/2483.247.136.0/2483.247.137.0/2483.247.138.0/2483.247.139.0/2483.247.140.0/2483.247.141.0/2483.247.142.0/2483.247.143.0/2483.247.144.0/2483.247.145.0/2483.247.146.0/2483.247.147.0/2483.247.148.0/2483.247.149.0/2483.247.150.0/2483.247.151.0/2483.247.152.0/2483.247.153.0/2483.247.154.0/2483.247.155.0/2483.247.156.0/2483.247.157.0/2483.247.158.0/2483.247.159.0/2483.247.160.0/2483.247.161.0/2483.247.162.0/2483.247.163.0/2483.247.164.0/2483.247.165.0/2483.247.166.0/2483.247.167.0/2483.247.168.0/2483.247.169.0/2483.247.170.0/2483.247.171.0/2483.247.172.0/2483.247.173.0/2483.247.174.0/2483.247.175.0/2483.247.176.0/2483.247.177.0/2483.247.178.0/2483.247.179.0/2483.247.180.0/2483.247.181.0/2483.247.182.0/2483.247.183.0/2483.247.184.0/2483.247.185.0/2483.247.186.0/2483.247.187.0/2483.247.188.0/2483.247.189.0/2483.247.190.0/2483.247.191.0/2483.247.192.0/2483.247.193.0/2483.247.194.0/2483.247.195.0/2483.247.196.0/2483.247.197.0/2483.247.198.0/2483.247.199.0/2483.247.200.0/2183.247.200.0/2483.247.208.0/2083.247.224.0/19

Upstream graph

Upstreams and their upstreams, from BGP paths
AS6939 Hurricane Electric LLC AS6939 · US Hurricane Electric LLC AS35280 F5 Networks SARL AS35280 · FR F5 Networks SARL AS25091 IP-Max SA AS25091 · CH IP-Max SA AS3356 Level 3 Parent, LLC AS3356 · US Level 3 Parent, LLC AS12956 TELEFONICA GLOBAL SOLUTIONS SL AS12956 · ES TELEFONICA GLOBAL SOL… AS12479 Orange Espagne SA AS12479 · ES Orange Espagne SA AS3352 TELEFONICA DE ESPANA S.A.U. AS3352 · ES TELEFONICA DE ESPANA … AS39551 Centre de Telecomunicacions i Tecnologies de la Informacio de la Generalitat de Catalunya AS39551 · ES Centre de Telecomunic…

Network health

Grade D · 52/100
partly Prefixes covered by valid ROAs
6 of 76 announced prefixes are RPKI valid, 70 have no ROA.		 2/25
pass No RPKI invalid announcements
None of the announcements is RPKI invalid.		 10/10
fail Announces IPv6
No IPv6 prefixes are announced.		 0/15
pass More than one upstream
2 upstreams seen in BGP.		 10/10
pass Working abuse contact
cert@ciberseguretat.cat is published.		 15/15
fail Publishes a geofeed
No geofeed found. Without one, location databases have to guess.		 0/10
pass No prefixes smaller than /24 or /48
All prefixes are /24 (IPv4) or /48 (IPv6) or larger.		 10/10
pass Registry record maintained
Last changed 2026-03-30.		 5/5
Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.
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Routing changes

Last 30 days
2026-10-04 04:44 UTCRelationship changed AS8220 upstream to peer

WHOIS

aut-num:        AS39551
as-name:        GENCAT-AS
org:            ORG-CTiT1-RIPE
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
% 16 routing policy lines (import/export) not shown