AS43519 NOMINETANYCAST Nominet UK

NOMINETANYCAST Nominet UK · registered in the United Kingdom

IPv4 addresses8,70410 prefixes · <0.001% of announced IPv4

Rank in United Kingdom#323largest network in GB by IPv4 space, of 2,074 · 0.01% of GB

Rank worldwide#9,905of 79,396 networks with IPv4

IPv639 x /4815 prefixes

CountryUnited Kingdom2,261 ASNs registered there

Open AS43519 in ASN lookup Look up an IP in this network (43.230.48.1) All networks in United Kingdom

IPv4 prefixes

All 10 prefixes, in address order.

43.230.48.0/22
51.149.0.0/23
51.149.254.0/23
103.49.80.0/22
194.227.194.0/23
212.148.212.0/23
213.248.200.0/22
213.248.204.0/23
213.248.216.0/21
213.248.224.0/22

IPv6 prefixes

All 15 prefixes.

2401:fd80:105::/48
2401:fd80:106::/47
2401:fd80:108::/48
2401:fd80:1fd::/48
2401:fd80:400::/45
2401:fd80:408::/47
2a01:618:200::/46
2a01:618:400::/45
2a01:618:408::/47
2a01:61e:1::/48
2a01:61e:2::/47
2a01:61e:4::/47
2a01:61e:6::/48
2a0d:9b80::/47
2a0d:9b80:fe::/47

Similar-sized networks in United Kingdom

ASNNameIPv4 addresses

AS12775#320 JPCINET JPC Infonet Ltd8,704

AS13002#321 ISIX-AS ISIX Communications LLP8,704

AS42010#322 ITPS I.T. PROFESSIONAL SERVICES LIMITED8,704

AS21369#324 SEMA-UK-AS Atos IT Services UK Ltd8,704

AS29676#325 GRADWELL Gradwell Communications Limited8,704

AS199775#326 Connexin-Limited Connexin Limited8,704

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