List of the top 20 organizations with the largest IP allocations in Taiwan
| Rank | Name | IPv4 addresses | IPv6 /64 networks | AS numbers | Prefixes |
|---|---|---|---|---|---|
| Chunghwa Telecom Co., Ltd. | 16,442,624 | 1.84 x 238 | 3 | 391 | |
| Taiwan Academic Network (TANet) Information Center | 6,637,824 | 232 | 1 | 224 | |
| Digital United Inc. | 5,169,408 | 1.02 x 238 | 1 | 1,607 | |
| 4 | Taiwan Fixed Network, Telco and Network Service Provider. | 4,337,152 | 1.16 x 237 | 1 | 635 |
| 5 | New Century InfoComm Tech Co., Ltd. | 3,166,720 | 1.01 x 239 | 2 | 854 |
| 6 | Hoshin Multimedia Center Inc. | 2,803,200 | 232 | 1 | 79 |
| 7 | Far EastTone Telecommunication Co., Ltd. | 2,319,104 | 1.52 x 232 | 2 | 137 |
| 8 | kbro CO. Ltd. | 1,698,816 | 1.75 x 232 | 1 | 534 |
| 9 | Mobile Business Group | 1,689,600 | 241 | 1 | 225 |
| 10 | Asia Pacific On-line Service Inc. | 1,295,360 | 229 | 2 | 94 |
| 11 | Asia Pacific Telecom | 1,149,440 | 1.03 x 238 | 1 | 79 |
| 12 | UNION BROADBAND NETWORK | 1,097,984 | 1.5 x 230 | 3 | 387 |
| 13 | SaveCom Internation Inc. | 950,528 | 1.5 x 232 | 1 | 302 |
| 14 | TBC | 934,912 | 1.83 x 224 | 1 | 742 |
| 15 | Sony Network Taiwan Limited | 913,408 | 236 | 1 | 86 |
| 16 | Ambit Microsystem Corporation | 894,208 | 228 | 1 | 264 |
| 17 | Taiwan Infrastructure Network Technologie | 679,936 | 232 | 1 | 257 |
| 18 | VEE TIME CORP. | 551,424 | 1.94 x 232 | 1 | 136 |
| 19 | Taiwan Mobile Co., Ltd. | 543,232 | 1.49 x 226 | 1 | 1,052 |
| 20 | Data Communication Business Group | 430,848 | 233 | 1 | 19 |