List of the top 20 organizations with the largest IP allocations in Vietnam
| Rank | Name | IPv4 addresses | IPv6 /64 networks | AS numbers | Prefixes |
|---|---|---|---|---|---|
| VNPT Corp | 23,877,137 | 1.65 x 233 | 1 | 4,545 | |
| Viettel Group | 19,421,440 | 1.53 x 235 | 1 | 7,099 | |
| FPT Telecom Company | 6,195,200 | 1.1 x 235 | 1 | 8,375 | |
| 4 | Sai gon Postel Corporation | 523,008 | 0 | 1 | 131 |
| 5 | Viettel Corporation | 502,528 | 0 | 1 | 298 |
| 6 | SaiGon Tourist cable Televition Company | 403,456 | 232 | 1 | 83 |
| 7 | CMC Telecom Infrastructure Company | 219,541 | 1.78 x 230 | 3 | 708 |
| 8 | VIETNAM POSTS AND TELECOMMUNICATIONS GROUP | 182,264 | 1.49 x 224 | 1 | 614 |
| 9 | Netnam Company | 110,594 | 233 | 1 | 511 |
| 10 | MOBIFONE Corporation | 92,176 | 1.87 x 226 | 1 | 857 |
| 11 | Vietel - CHT Compamy Ltd | 90,624 | 231 | 1 | 127 |
| 12 | VNG Corporation | 82,176 | 217 | 1 | 116 |
| 13 | Global Data Service Joint Stock Company | 70,912 | 0 | 1 | 59 |
| 14 | Quang Trung Software City Development Company | 58,625 | 1.01 x 232 | 1 | 111 |
| 15 | VTC DIGICOM | 52,478 | 1.06 x 232 | 1 | 219 |
| 16 | Hanoi Telecom Joint Stock Company - HCMC Branch | 44,876 | 217 | 1 | 173 |
| 17 | VTC-VN | 38,912 | 232 | 1 | 50 |
| 18 | SUPERDATA-VN | 32,769 | 217 | 1 | 46 |
| 19 | ODS Joint Stock Company | 32,512 | 232 | 2 | 77 |
| 20 | Vietnam Posts and Telecommunications (VNPT) | 30,208 | 0 | 1 | 85 |