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. | 79,253,752 | 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 |
