Top 20 organizations with the largest IP allocations in United States
Top 20 organizations with the largest IP allocations
| Rank | Name | IPv4 addresses | IPv6 /64 networks | AS numbers | Prefixes |
|---|---|---|---|---|---|
| AT&T Services, Inc. | 78,859,512 | 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 | 53,612,544 | 2 x 232 | 37 | 5,915 | |
| 4 | MCI Communications Services, Inc. d/b/a Verizon Business | 48,682,528 | 1.16 x 240 | 24 | 11,486 |
| 5 | Level 3 Communications, Inc. | 42,938,216 | 1.51 x 238 | 10 | 10,881 |
| 6 | Hewlett-Packard Company | 33,896,192 | 1.19 x 220 | 27 | 963 |
| 7 | Amazon.com, Inc. | 32,937,984 | 1.95 x 234 | 3 | 3,412 |
| 8 | Time Warner Cable Internet LLC | 32,831,230 | 1.23 x 236 | 13 | 3,366 |
| 9 | Cellco Partnership DBA Verizon Wireless | 30,295,556 | 1.56 x 236 | 4 | 2,926 |
| 10 | Cogent Communications | 25,521,957 | 1.96 x 250 | 3 | 49,321 |
| 11 | Qwest Communications Company, LLC | 18,129,040 | 1.02 x 240 | 8 | 7,137 |
| 12 | Apple Inc. | 16,832,766 | 1.5 x 233 | 3 | 1,600 |
| 13 | University of California, San Diego | 16,126,208 | 1.87 x 248 | 1 | 1,950 |
| 14 | Sprint | 16,017,280 | 1.37 x 235 | 4 | 3,897 |
| 15 | Frontier Communications of America, Inc. | 12,714,240 | 234 | 6 | 4,160 |
| 16 | T-Mobile USA, Inc. | 12,663,040 | 233 | 4 | 505 |
| 17 | Windstream Communications LLC | 12,457,980 | 1.44 x 236 | 5 | 2,814 |
| 18 | Charter Communications | 12,112,896 | 1.01 x 238 | 8 | 2,884 |
| 19 | Cox Communications Inc. | 11,972,864 | 1.25 x 236 | 1 | 6,443 |
| 20 | Eli Lilly and Company | 11,042,816 | 1.02 x 250 | 1 | 16,311 |
