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. 81,056,680 1.14 x 240 8 10,073
Comcast Cable Communications, LLC 71,901,440 1.03 x 245 34 2,685
DoD Network Information Center 53,841,152 2 x 232 37 5,845
4 MCI Communications Services, Inc. d/b/a Verizon Business 48,340,768 1.16 x 240 23 11,500
5 Level 3 Communications, Inc. 42,990,182 1.23 x 237 9 11,174
6 Hewlett-Packard Company 33,911,039 1.19 x 220 26 960
7 Time Warner Cable Internet LLC 32,964,350 1.23 x 236 13 3,425
8 Amazon.com, Inc. 30,743,296 1.92 x 234 3 3,114
9 Cellco Partnership DBA Verizon Wireless 30,292,740 1.56 x 236 4 2,785
10 Cogent Communications 23,712,713 1.72 x 250 3 47,719
11 Qwest Communications Company, LLC 18,020,864 1.02 x 240 7 6,997
12 Apple Inc. 16,828,670 1.03 x 233 3 1,575
13 University of California, San Diego 16,130,048 1.87 x 248 1 1,789
14 Sprint 16,008,704 1.37 x 235 4 3,938
15 Frontier Communications of America, Inc. 13,964,288 234 6 3,447
16 T-Mobile USA, Inc. 12,663,040 233 4 494
17 Cox Communications Inc. 11,956,480 1.25 x 236 1 6,535
18 Charter Communications 11,415,552 1.92 x 237 7 2,795
19 Eli Lilly and Company 11,042,560 1.02 x 250 1 15,580
20 Windstream Communications LLC 9,052,800 1.38 x 236 3 2,085