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. 81,054,888 1.14 x 240 8 10,072
Comcast Cable Communications, LLC 71,900,928 1.03 x 245 34 2,691
DoD Network Information Center 53,765,120 2 x 232 37 5,846
4 MCI Communications Services, Inc. d/b/a Verizon Business 48,340,256 1.16 x 240 23 11,501
5 Level 3 Communications, Inc. 42,982,502 1.23 x 237 9 11,167
6 Hewlett-Packard Company 33,911,039 1.19 x 220 26 960
7 Time Warner Cable Internet LLC 32,964,862 1.23 x 236 13 3,440
8 Amazon.com, Inc. 30,743,296 1.92 x 234 3 3,113
9 Cellco Partnership DBA Verizon Wireless 30,292,740 1.56 x 236 4 2,799
10 Cogent Communications 23,711,177 1.72 x 250 3 47,698
11 Qwest Communications Company, LLC 18,019,840 1.02 x 240 7 6,996
12 Apple Inc. 16,828,670 1.03 x 233 3 1,575
13 University of California, San Diego 16,129,536 1.87 x 248 1 1,810
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 4 507
17 Cox Communications Inc. 11,956,480 1.25 x 236 1 6,430
18 Charter Communications 11,456,512 1.92 x 237 7 2,814
19 Eli Lilly and Company 11,042,560 1.02 x 250 1 15,547
20 Windstream Communications LLC 9,052,800 1.38 x 236 3 2,085