AS8637 SPAINWISP SpainWISP, S.L.

SPAINWISP SpainWISP, S.L. · registered in Spain

IPv4 addresses1,0241 prefixes · <0.001% of announced IPv4

Rank in Spain#516largest network in ES by IPv4 space, of 926 · <0.01% of ES

Rank worldwide#35,531of 79,396 networks with IPv4

IPv64 x /483 prefixes

CountrySpain954 ASNs registered there

Open AS8637 in ASN lookup Look up an IP in this network (5.180.228.1) All networks in Spain

IPv4 prefixes

All 1 prefix, in address order.

5.180.228.0/22

IPv6 prefixes

All 3 prefixes.

2a0b:c800:1::/48
2a0b:c800:2::/47
2a0b:c800:4::/48

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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