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
AT&T Services, Inc. 79,251,704 1.87 x 240 8 10,052
Comcast Cable Communications, LLC 71,778,816 1.03 x 245 30 2,543
DoD Network Information Center 53,544,704 2 x 232 37 5,995
4 MCI Communications Services, Inc. d/b/a Verizon Business 48,896,544 1.13 x 240 24 11,703
5 Level 3 Communications, Inc. 42,920,296 1.52 x 238 10 10,821
6 Amazon.com, Inc. 35,847,424 1.69 x 234 3 3,534
7 Time Warner Cable Internet LLC 32,863,742 1.23 x 236 13 3,425
8 Cellco Partnership DBA Verizon Wireless 30,033,924 1.56 x 236 4 3,367
9 Cogent Communications 25,580,844 1.96 x 250 3 48,616
10 Qwest Communications Company, LLC 18,204,048 1.02 x 240 8 7,298
11 Apple Inc. 16,832,766 1.5 x 233 3 1,836
12 University of California, San Diego 16,120,832 1.87 x 248 1 2,001
13 Sprint 16,019,072 1.37 x 235 4 3,892
14 Frontier Communications of America, Inc. 12,714,752 234 6 4,166
15 T-Mobile USA, Inc. 12,630,272 233 4 555
16 Windstream Communications LLC 12,454,656 1.44 x 236 5 2,755
17 Charter Communications 12,167,168 1.98 x 237 8 2,811
18 Cox Communications Inc. 12,048,639 1.25 x 236 1 6,498
19 Eli Lilly and Company 11,042,816 1.02 x 250 1 16,617
20 Google LLC 10,918,715 1.63 x 236 6 1,246