United Kingdom

Top 20 organizations with the largest IP allocations in United Kingdom

United Kingdom

Top 20 organizations with the largest IP allocations


Rank Name IPv4 addresses IPv6 /64 networks AS numbers Prefixes
British Telecommunications PLC 13,792,512 1.02 x 242 5 653
Virgin Media Limited 9,536,512 1.01 x 239 2 354
Jisc Services Limited 7,416,320 1.06 x 236 1 212
4 EE Limited 7,104,512 236 1 65
5 Sky UK Limited 7,088,896 235 2 33
6 TalkTalk Communications Limited 3,896,064 1.25 x 235 4 65
7 Tiscali UK Limited 2,973,696 237 1 45
8 COLT Technology Services Group Limited 1,209,087 232 1 337
9 Vodafone Limited 1,192,448 232 6 87
10 ClaraNET LTD 1,033,984 1.2 x 236 3 176
11 Interoute Communications Limited 876,032 1.75 x 236 1 210
12 KCOM Group PLC 849,410 1.13 x 235 2 66
13 Daisy Communications Ltd 766,464 236 1 123
14 RM Education Ltd 762,880 232 1 32
15 Zen Internet Ltd 603,136 235 1 41
16 MDNX Internet Limited 532,992 232 1 65
17 Hutchison 3G UK Limited 528,640 216 2 46
18 iomart Cloud Services Limited. 398,080 236 2 340
19 Rackspace Ltd. 397,568 233 2 45
20 ENTANET International Limited 354,816 1.75 x 235 1 83