AS62104 CSISP Computer Service Internet Service Provider S.L.

CSISP Computer Service Internet Service Provider S.L. · registered in Spain

IPv4 addresses2,0482 prefixes · <0.001% of announced IPv4

Rank in Spain#332largest network in ES by IPv4 space, of 926 · <0.01% of ES

Rank worldwide#21,765of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountrySpain954 ASNs registered there

Open AS62104 in ASN lookup Look up an IP in this network (185.47.212.1) All networks in Spain

IPv4 prefixes

All 2 prefixes, in address order.

185.47.212.0/22
185.67.76.0/22

IPv6 prefixes

All 1 prefix.

2a01:91e0::/32

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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