AS212329 NETCRAFT Netcraft Ltd

NETCRAFT Netcraft Ltd · registered in the United Kingdom

IPv4 addresses5121 prefixes · <0.001% of announced IPv4

Rank in United Kingdom#1,385largest network in GB by IPv4 space, of 2,074 · <0.01% of GB

Rank worldwide#48,169of 79,396 networks with IPv4

IPv62 x /482 prefixes

CountryUnited Kingdom2,261 ASNs registered there

Open AS212329 in ASN lookup Look up an IP in this network (91.236.64.1) All networks in United Kingdom

IPv4 prefixes

All 1 prefix, in address order.

91.236.64.0/23

IPv6 prefixes

All 2 prefixes.

2a10:a700:1::/48
2a10:a700:2::/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