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
AT&T Services, Inc. 80,456,360 1.14 x 240 8 9,922
Comcast Cable Communications, LLC 71,918,584 1.03 x 245 34 2,434
DoD Network Information Center 52,017,408 2 x 232 37 5,536
4 MCI Communications Services, Inc. d/b/a Verizon Business 48,285,984 1.16 x 240 23 11,489
5 Level 3 Communications, Inc. 42,405,734 1.97 x 236 9 11,098
6 Hewlett-Packard Company 33,911,040 1.19 x 220 26 933
7 Time Warner Cable Internet LLC 32,981,246 1.23 x 236 13 3,425
8 Cellco Partnership DBA Verizon Wireless 30,816,516 1.56 x 236 4 2,785
9 Amazon.com, Inc. 25,290,495 1.65 x 234 3 3,007
10 Cogent Communications 23,682,761 1.72 x 250 3 47,065
11 Qwest Communications Company, LLC 17,946,880 1.02 x 240 7 7,027
12 Apple Inc. 16,828,414 1.03 x 233 3 1,606
13 University of California, San Diego 16,135,680 1.87 x 248 1 1,767
14 Sprint 16,007,936 1.37 x 235 4 3,963
15 Frontier Communications of America, Inc. 13,964,288 234 6 3,453
16 T-Mobile USA, Inc. 12,663,296 233 4 492
17 Cox Communications Inc. 11,956,736 1.25 x 236 1 6,740
18 Eli Lilly and Company 11,042,560 1.02 x 250 1 14,742
19 Charter Communications 11,040,000 1.92 x 237 7 2,721
20 Massachusetts Institute of Technology 9,911,807 1.06 x 235 3 470