Internet Service Providers in United States

Top 20 organizations with the largest IP allocations in United States

United States

Top 20 organizations with the largest IP allocations


Rank Name IPv4 addresses IPv6 /64 networks AS numbers Prefixes
Comcast Cable Communications, LLC 85,832,448 1.04 x 245 34 2,712
AT&T Services, Inc. 79,239,928 1.88 x 240 8 10,011
DoD Network Information Center 53,054,976 2 x 232 37 6,625
4 MCI Communications Services, Inc. d/b/a Verizon Business 48,975,136 1.13 x 240 26 11,603
5 Level 3 Communications, Inc. 42,740,639 1.63 x 239 10 10,716
6 Amazon.com, Inc. 34,624,768 1.44 x 234 3 3,524
7 Time Warner Cable Internet LLC 32,784,126 1.3 x 236 13 3,489
8 Cellco Partnership DBA Verizon Wireless 30,090,756 1.56 x 236 4 3,606
9 Cogent Communications 25,755,444 1.97 x 250 3 46,361
10 CenturyLink Communications, LLC 20,812,928 1.01 x 240 22 8,988
11 Apple Inc. 16,832,766 1.5 x 233 3 1,968
12 University of California, San Diego 16,115,968 1.87 x 248 1 2,127
13 Sprint 15,901,824 1.44 x 238 4 3,897
14 Frontier Communications of America, Inc. 12,713,984 234 6 4,159
15 Windstream Communications LLC 12,466,432 1.44 x 236 5 2,711
16 T-Mobile USA, Inc. 12,204,288 233 4 492
17 Charter Communications 12,177,664 1.01 x 238 8 2,817
18 Cox Communications Inc. 12,035,071 1.25 x 236 1 6,595
19 Eli Lilly and Company 11,047,936 1.02 x 250 1 17,336
20 Google LLC 10,917,659 1.63 x 236 6 1,239