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. | 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 |