Home
/
ASN directory
/
AS42344
AS42344 CC-AS Subtopia Ltd
CC-AS Subtopia Ltd · registered in the United Kingdom
IPv4 addresses 6,144 3 prefixes · <0.001% of announced IPv4
Rank in United Kingdom #376 largest network in GB by IPv4 space, of 2,074 · <0.01% of GB
Rank worldwide #12,114 of 79,396 networks with IPv4
IPv6 9 x /32 (589,824 x /48) 2 prefixes
IPv4 prefixes
All 3 prefixes, in address order.
91.142.32.0/20 185.18.144.0/22 185.107.8.0/22
IPv6 prefixes
All 2 prefixes.
2a01:418::/32 2a06:3fc0::/29
Similar-sized networks in United Kingdom
ASN Name IPv4 addresses
AS51055 #373 BRIDGEP-AS Bridge Fibre Limited6,400
AS21077 #374 ISP4BAS Specialist Computer Centres Plc6,400
AS34587 #375 HLM2-AS Hillside (Technology) Ltd6,400
AS199283 #377 UKSCOMMS-AS STRUCTURED COMMUNICATIONS LIMITED6,144
AS59895 #378 BINARYRACKS-AS Binary Racks Limited6,144
AS48254 #379 TWENTYI 20i Limited6,144
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