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. | 79,182,328 | 1.88 x 240 | 8 | 10,035 | |
| Comcast Cable Communications, LLC | 72,006,144 | 1.04 x 245 | 34 | 2,125 | |
| DoD Network Information Center | 52,864,000 | 2 x 232 | 37 | 6,709 | |
| 4 | MCI Communications Services, Inc. d/b/a Verizon Business | 48,950,048 | 1.13 x 240 | 26 | 11,571 |
| 5 | Level 3 Communications, Inc. | 42,735,519 | 1.65 x 239 | 10 | 10,675 |
| 6 | Amazon.com, Inc. | 37,297,408 | 1.46 x 234 | 3 | 3,691 |
| 7 | Time Warner Cable Internet LLC | 32,777,214 | 1.36 x 236 | 13 | 3,506 |
| 8 | Cellco Partnership DBA Verizon Wireless | 30,091,012 | 1.56 x 236 | 4 | 3,866 |
| 9 | Cogent Communications | 25,931,861 | 1.97 x 250 | 3 | 46,598 |
| 10 | CenturyLink Communications, LLC | 20,814,720 | 1.01 x 240 | 22 | 8,988 |
| 11 | Apple Inc. | 16,798,974 | 1.5 x 233 | 3 | 2,050 |
| 12 | University of California, San Diego | 16,113,408 | 1.87 x 248 | 1 | 2,174 |
| 13 | Sprint | 15,736,448 | 1.44 x 238 | 4 | 3,894 |
| 14 | Frontier Communications of America, Inc. | 12,713,984 | 234 | 6 | 4,154 |
| 15 | Windstream Communications LLC | 12,461,824 | 1.44 x 236 | 5 | 2,705 |
| 16 | T-Mobile USA, Inc. | 12,208,384 | 233 | 4 | 497 |
| 17 | Charter Communications | 12,207,104 | 1.02 x 238 | 8 | 2,815 |
| 18 | Cox Communications Inc. | 12,023,551 | 1.25 x 236 | 1 | 6,589 |
| 19 | Eli Lilly and Company | 11,047,936 | 1.02 x 250 | 1 | 17,852 |
| 20 | Google LLC | 9,869,851 | 1.63 x 236 | 6 | 1,237 |
