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. 78,860,024 1.89 x 240 8 10,020
Comcast Cable Communications, LLC 71,739,136 1.03 x 245 30 2,500
DoD Network Information Center 53,623,808 2 x 232 37 5,910
4 MCI Communications Services, Inc. d/b/a Verizon Business 48,682,016 1.16 x 240 24 11,489
5 Level 3 Communications, Inc. 42,940,519 1.51 x 238 10 10,909
6 Hewlett-Packard Company 33,896,192 1.19 x 220 27 965
7 Amazon.com, Inc. 32,945,920 1.95 x 234 3 3,445
8 Time Warner Cable Internet LLC 32,831,230 1.23 x 236 13 3,380
9 Cellco Partnership DBA Verizon Wireless 30,295,556 1.56 x 236 4 2,935
10 Cogent Communications 25,531,429 1.96 x 250 3 49,421
11 Qwest Communications Company, LLC 18,129,552 1.02 x 240 8 7,140
12 Apple Inc. 16,832,766 1.5 x 233 3 1,605
13 University of California, San Diego 16,126,976 1.87 x 248 1 1,954
14 Sprint 16,017,280 1.37 x 235 4 3,897
15 Frontier Communications of America, Inc. 12,714,240 234 6 4,146
16 T-Mobile USA, Inc. 12,663,040 233 4 505
17 Windstream Communications LLC 12,457,980 1.44 x 236 5 2,808
18 Charter Communications 12,110,592 1.01 x 238 8 2,882
19 Cox Communications Inc. 11,972,863 1.25 x 236 1 6,456
20 Eli Lilly and Company 11,042,816 1.02 x 250 1 16,365