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. 79,253,752 1.87 x 240 8 10,028
Comcast Cable Communications, LLC 71,778,560 1.03 x 245 30 2,542
DoD Network Information Center 53,519,104 2 x 232 37 5,985
4 MCI Communications Services, Inc. d/b/a Verizon Business 48,896,032 1.13 x 240 24 11,678
5 Level 3 Communications, Inc. 42,920,808 1.52 x 238 10 10,819
6 Amazon.com, Inc. 35,833,856 1.67 x 234 3 3,544
7 Time Warner Cable Internet LLC 32,863,998 1.23 x 236 13 3,421
8 Cellco Partnership DBA Verizon Wireless 30,033,924 1.56 x 236 4 3,367
9 Cogent Communications 25,580,588 1.96 x 250 3 48,686
10 CenturyLink Communications, LLC 20,702,080 1.01 x 240 22 9,045
11 Apple Inc. 16,832,766 1.5 x 233 3 1,837
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 4 553
16 Windstream Communications LLC 12,454,912 1.44 x 236 5 2,752
17 Charter Communications 12,167,424 1.98 x 237 8 2,815
18 Cox Communications Inc. 12,048,895 1.25 x 236 1 6,498
19 Eli Lilly and Company 11,042,816 1.02 x 250 1 16,622
20 Google LLC 10,918,459 1.63 x 236 6 1,248