AS209835 AVANZAFIBRA Despliegue de Redes de Telecomunicaciones S.L.

AVANZAFIBRA Despliegue de Redes de Telecomunicaciones S.L. · registered in Spain

IPv4 addresses5,63210 prefixes · <0.001% of announced IPv4

Rank in Spain#157largest network in ES by IPv4 space, of 926 · 0.02% of ES

Rank worldwide#12,826of 79,396 networks with IPv4

IPv69 x /486 prefixes

CountrySpain954 ASNs registered there

Open AS209835 in ASN lookup Look up an IP in this network (2.59.232.1) All networks in Spain

IPv4 prefixes

All 10 prefixes, in address order.

2.59.232.0/22
38.159.172.0/24
45.149.182.0/23
83.143.108.0/22
109.167.12.0/24
151.248.20.0/22
158.172.143.0/24
176.56.119.0/24
185.185.94.0/23
185.227.100.0/23

IPv6 prefixes

All 6 prefixes.

2a09:fc40:1::/48
2a09:fc40:2::/47
2a09:fc40:4::/47
2a09:fc40:6::/48
2a09:fc40:8::/47
2a09:fc40:102::/48

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AS44585#158 EFOR Efor Global Technology SL5,632

AS205981#159 CWSANVICENTE-AS FIBRAWORLD TELECOM S.A.U.5,632

AS42220#160 SIAPI-AS TREVENQUE SISTEMAS DE INFORMACION S.L.5,376

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