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. | 101,354,241 | 1.06 x 241 | 9 | 2,084 | |
| DoD Network Information Center | 97,512,192 | 232 | 206 | 7,759 | |
| Comcast Cable Communications, LLC | 76,012,694 | 1.13 x 248 | 26 | 846 | |
| 4 | Level 3 Communications, Inc. | 65,836,888 | 1.96 x 237 | 14 | 3,740 |
| 5 | MCI Communications Services, Inc. d/b/a Verizon Business | 64,081,984 | 1.28 x 240 | 37 | 15,700 |
| 6 | Apple Inc. | 49,175,296 | 1.02 x 234 | 3 | 1,137 |
| 7 | Amazon.com, Inc. | 48,099,072 | 1.13 x 235 | 4 | 5,345 |
| 8 | Cellco Partnership DBA Verizon Wireless | 44,495,104 | 1.32 x 237 | 4 | 2,075 |
| 9 | CenturyLink Communications, LLC | 44,385,456 | 1.05 x 240 | 42 | 5,438 |
| 10 | Charter Communications Inc | 38,671,104 | 1.6 x 236 | 16 | 2,057 |
| 11 | Microsoft Corporation | 36,523,008 | 1.04 x 239 | 14 | 403 |
| 12 | Cogent Communications | 29,072,640 | 1.16 x 238 | 3 | 3,759 |
| 13 | Eli Lilly and Company | 25,106,688 | 0 | 1 | 206 |
| 14 | Cox Communications Inc. | 22,436,608 | 1.83 x 236 | 1 | 4,512 |
| 15 | AT&T Global Network Services, LLC | 19,561,472 | 234 | 4 | 468 |
| 16 | Sprint | 17,372,076 | 1.75 x 235 | 5 | 288 |
| 17 | Google LLC | 16,405,152 | 1.44 x 236 | 7 | 726 |
| 18 | Frontier Communications of America, Inc. | 15,350,784 | 1.25 x 236 | 6 | 2,691 |
| 19 | AT&T Corp. | 14,624,256 | 1.53 x 229 | 35 | 1,957 |
| 20 | Headquarters, USAISC | 14,179,584 | 218 | 82 | 1,297 |