AS212217 bbonline BB-Online UK Ltd

bbonline BB-Online UK Ltd · registered in the United Kingdom

IPv4 addresses7683 prefixes · <0.001% of announced IPv4

Rank in United Kingdom#1,240largest network in GB by IPv4 space, of 2,074 · <0.01% of GB

Rank worldwide#43,576of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryUnited Kingdom2,261 ASNs registered there

Open AS212217 in ASN lookup Look up an IP in this network (81.30.104.1) All networks in United Kingdom

IPv4 prefixes

All 3 prefixes, in address order.

81.30.104.0/24
91.238.194.0/24
185.206.123.0/24

IPv6 prefixes

All 1 prefix.

2a13:e280:1::/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