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 13,734,912 1.02 x 242 5 649
Virgin Media Limited 9,535,488 1.01 x 239 2 361
Jisc Services Limited 7,415,040 1.13 x 236 1 213
4 EE Limited 7,104,256 236 1 69
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 1,207,295 232 1 341
9 Vodafone Limited 1,127,424 232 6 71
10 ClaraNET LTD 1,033,728 1.2 x 236 3 176
11 Interoute Communications Limited 873,984 1.75 x 236 1 204
12 KCOM Group PLC 849,410 1.13 x 235 2 66
13 Daisy Communications Ltd 764,928 236 1 128
14 RM Education Ltd 762,880 232 1 40
15 Zen Internet Ltd 668,672 235 1 43
16 MDNX Internet Limited 531,456 232 1 64
17 Hutchison 3G UK Limited 528,640 216 2 46
18 iomart Cloud Services Limited. 398,848 236 2 346
19 Rackspace Ltd. 397,568 233 2 45
20 M247 Ltd 377,088 1.75 x 236 1 1,127