AS42044 CENTRALNIC CentralNic Ltd

CENTRALNIC CentralNic Ltd · registered in the United Kingdom

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United Kingdom#1,671largest network in GB by IPv4 space, of 2,074 · <0.01% of GB

Rank worldwide#61,258of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryUnited Kingdom2,261 ASNs registered there

Open AS42044 in ASN lookup Look up an IP in this network (212.18.250.1) All networks in United Kingdom

IPv4 prefixes

All 1 prefix, in address order.

212.18.250.0/24

IPv6 prefixes

All 1 prefix.

2a04:2b00:212::/48

Similar-sized networks in United Kingdom

ASNNameIPv4 addresses

AS20679#1668 HSO Syntura Group Limited256

AS39576#1669 Prostack-Hosting Sharpstack Hosting Ltd256

AS39617#1670 CONSULTANCY-ASN Chris Burton256

AS43059#1672 iitss IT Support Services Team Limited256

AS47219#1673 NTT_GDC_Anycast NTT Global Data Centers EMEA UK Ltd.256

AS47426#1674 ADVITEL-AS Advitel Ltd256

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