AS39551 GENCAT-AS Centre de Telecomunicacions i Tecnologies de la Informacio de la Generalitat de Catalunya

GENCAT-AS Centre de Telecomunicacions i Tecnologies de la Informacio de la Generalitat de Catalunya · registered in Spain

IPv4 addresses32,7688 prefixes · 0.001% of announced IPv4

Rank in Spain#31largest network in ES by IPv4 space, of 926 · 0.10% of ES

Rank worldwide#4,844of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySpain954 ASNs registered there

Open AS39551 in ASN lookup Look up an IP in this network (83.247.128.1) All networks in Spain

IPv4 prefixes

All 8 prefixes, in address order.

83.247.128.0/18
83.247.192.0/21
83.247.200.0/24
83.247.201.0/24
83.247.202.0/23
83.247.204.0/22
83.247.208.0/20
83.247.224.0/19

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IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources