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 13,731,072 1.02 x 242 5 645
Virgin Media Limited 9,538,816 1.01 x 239 2 364
Jisc Services Limited 7,416,320 1.06 x 236 1 204
4 EE Limited 7,104,512 236 1 68
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 1,265,919 232 1 321
9 ClaraNET LTD 1,034,240 1.2 x 236 3 177
10 Vodafone Limited 930,304 232 6 86
11 Interoute Communications Limited 875,776 1.75 x 236 1 251
12 KCOM Group PLC 849,922 1.13 x 235 2 67
13 RM Education Ltd 762,880 232 1 33
14 Daisy Communications Ltd 733,184 236 1 117
15 Zen Internet Ltd 603,136 235 1 41
16 MDNX Internet Limited 530,688 232 1 63
17 Hutchison 3G UK Limited 528,640 0 2 45
18 iomart Cloud Services Limited. 398,592 236 2 336
19 Rackspace Ltd. 397,568 233 2 46
20 ENTANET International Limited 354,304 1.75 x 235 1 84