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. | 78,888,440 | 1.49 x 240 | 8 | 10,093 | |
| Comcast Cable Communications, LLC | 71,914,496 | 1.03 x 245 | 34 | 2,578 | |
| DoD Network Information Center | 53,929,472 | 2 x 232 | 37 | 5,903 | |
| 4 | MCI Communications Services, Inc. d/b/a Verizon Business | 48,239,136 | 1.16 x 240 | 23 | 11,405 |
| 5 | Level 3 Communications, Inc. | 41,473,894 | 1.37 x 238 | 9 | 10,917 |
| 6 | Hewlett-Packard Company | 33,903,104 | 1.19 x 220 | 27 | 974 |
| 7 | Time Warner Cable Internet LLC | 32,664,062 | 1.23 x 236 | 13 | 3,384 |
| 8 | Amazon.com, Inc. | 31,618,560 | 1.67 x 234 | 3 | 3,180 |
| 9 | Cellco Partnership DBA Verizon Wireless | 30,295,044 | 1.56 x 236 | 4 | 2,852 |
| 10 | Cogent Communications | 25,438,881 | 1.96 x 250 | 3 | 48,760 |
| 11 | Qwest Communications Company, LLC | 18,136,080 | 1.02 x 240 | 8 | 7,030 |
| 12 | Apple Inc. | 16,828,670 | 1.5 x 233 | 3 | 1,607 |
| 13 | University of California, San Diego | 16,132,352 | 1.87 x 248 | 1 | 1,861 |
| 14 | Sprint | 16,012,288 | 1.37 x 235 | 4 | 3,904 |
| 15 | Frontier Communications of America, Inc. | 13,329,152 | 234 | 6 | 3,957 |
| 16 | T-Mobile USA, Inc. | 12,663,040 | 233 | 4 | 509 |
| 17 | Charter Communications | 12,046,336 | 1.01 x 238 | 7 | 2,850 |
| 18 | Cox Communications Inc. | 11,959,039 | 1.25 x 236 | 1 | 6,417 |
| 19 | Eli Lilly and Company | 11,042,816 | 1.02 x 250 | 1 | 15,726 |
| 20 | Windstream Communications LLC | 9,047,552 | 1.38 x 236 | 3 | 2,038 |