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. | 101,454,081 | 1.05 x 241 | 9 | 2,093 | |
| DoD Network Information Center | 97,790,464 | 233 | 212 | 7,763 | |
| Comcast Cable Communications, LLC | 75,718,678 | 1.03 x 245 | 18 | 1,598 | |
| 4 | Level 3 Communications, Inc. | 65,977,890 | 1.24 x 237 | 15 | 3,637 |
| 5 | MCI Communications Services, Inc. d/b/a Verizon Business | 64,582,432 | 1.33 x 240 | 37 | 18,350 |
| 6 | Amazon.com, Inc. | 49,795,328 | 1.14 x 235 | 4 | 5,581 |
| 7 | Apple Inc. | 48,231,168 | 1.02 x 234 | 3 | 1,217 |
| 8 | Cellco Partnership DBA Verizon Wireless | 43,601,920 | 1.32 x 237 | 4 | 2,120 |
| 9 | CenturyLink Communications, LLC | 42,008,496 | 1.05 x 240 | 43 | 4,906 |
| 10 | Charter Communications Inc | 38,566,656 | 1.02 x 237 | 16 | 2,073 |
| 11 | Microsoft Corporation | 36,787,968 | 1.04 x 239 | 14 | 472 |
| 12 | Cogent Communications | 29,159,168 | 1.13 x 238 | 3 | 3,922 |
| 13 | Eli Lilly and Company | 25,113,344 | 0 | 1 | 211 |
| 14 | Cox Communications Inc. | 22,561,280 | 1.81 x 236 | 1 | 4,632 |
| 15 | AT&T Global Network Services, LLC | 19,580,416 | 1.01 x 234 | 4 | 491 |
| 16 | Sprint | 17,081,100 | 1.75 x 235 | 6 | 221 |
| 17 | Google LLC | 16,660,320 | 1.44 x 236 | 7 | 842 |
| 18 | Frontier Communications of America, Inc. | 15,211,264 | 1.02 x 234 | 6 | 2,936 |
| 19 | AT&T Corp. | 14,548,992 | 1.39 x 232 | 35 | 1,952 |
| 20 | Headquarters, USAISC | 14,401,792 | 1.25 x 218 | 84 | 1,536 |