| 210.0.0.0/8 | WHOIS (APNIC) | Asia Pacific Network Information Center, Pty. Ltd. | AU |
| 210.64.0.0/14 | WHOIS (APNIC) | Taiwan Network Information Center | TW |
| 210.64.0.0/16 | BGP route | AS4780 Digital United Inc. | — |
| 210.64.0.0/16 | WHOIS (APNIC) | Digital United Inc. | TW |
| 210.64.0.0/16 | APNIC assigned | — | TW |
| 210.65.0.0/16 | BGP route | AS3462 Chunghwa Telecom Co., Ltd. | — |
| 210.65.0.0/16 | WHOIS (APNIC) | Data Communication Business Group, | TW |
| 210.65.0.0/16 | APNIC assigned | — | TW |
| 210.66.0.0/16 | BGP route | AS4780 Digital United Inc. | — |
| 210.66.0.0/16 | WHOIS (APNIC) | New Century InfoComm Tech. Co., Ltd. | TW |
| 210.66.0.0/16 | APNIC assigned | — | TW |
| 210.64.0.0/18 | BGP route | AS4780 Digital United Inc. | — |
| 210.64.64.0/18 | BGP route | AS4780 Digital United Inc. | — |
| 210.64.128.0/18 | BGP route | AS4780 Digital United Inc. | — |
| 210.64.192.0/18 | BGP route | AS4780 Digital United Inc. | — |
| 210.66.0.0/18 | BGP route | AS4780 Digital United Inc. | — |
| 210.66.64.0/18 | BGP route | AS4780 Digital United Inc. | — |
| 210.66.128.0/18 | BGP route | AS4780 Digital United Inc. | — |
| 210.66.192.0/18 | BGP route | AS4780 Digital United Inc. | — |
| 210.67.0.0/18 | WHOIS (APNIC) | Systex Corporation SYSNET Business Department | TW |
| 210.67.0.0/18 | APNIC assigned | — | TW |
| 210.64.0.0/19 | BGP route | AS4780 Digital United Inc. | — |
| 210.64.32.0/19 | BGP route | AS4780 Digital United Inc. | — |
| 210.64.64.0/19 | BGP route | AS4780 Digital United Inc. | — |
| 210.64.96.0/19 | BGP route | AS4780 Digital United Inc. | — |
| 210.64.128.0/19 | BGP route | AS4780 Digital United Inc. | — |
| 210.64.160.0/19 | BGP route | AS4780 Digital United Inc. | — |
| 210.64.192.0/19 | BGP route | AS4780 Digital United Inc. | — |
| 210.64.224.0/19 | BGP route | AS4780 Digital United Inc. | — |
| 210.66.0.0/19 | BGP route | AS4780 Digital United Inc. | — |
| 210.66.32.0/19 | BGP route | AS4780 Digital United Inc. | — |
| 210.66.64.0/19 | BGP route | AS4780 Digital United Inc. | — |
| 210.66.96.0/19 | BGP route | AS4780 Digital United Inc. | — |
| 210.66.128.0/19 | BGP route | AS4780 Digital United Inc. | — |
| 210.66.160.0/19 | BGP route | AS4780 Digital United Inc. | — |
| 210.66.192.0/19 | BGP route | AS4780 Digital United Inc. | — |
| 210.66.224.0/19 | BGP route | AS4780 Digital United Inc. | — |
| 210.67.32.0/19 | BGP route | AS4783 SYSTEX CORPORATION | — |
| 210.67.32.0/19 | WHOIS (APNIC) | Systex Corporation SYSNET Business Department | TW |
| 210.67.64.0/19 | BGP route | AS17420 Acer e-Enabling Data Center, Inc. | — |
| 210.67.64.0/19 | WHOIS (APNIC) | Acer Internet Services Inc. | TW |
| 210.67.64.0/19 | APNIC assigned | — | TW |
| 210.67.160.0/19 | BGP route | AS9924 Taiwan Fixed Network, Telco and Network Service Provider. | — |
| 210.67.160.0/19 | WHOIS (APNIC) | Global Communication Network Corp. | TW |
| 210.67.160.0/19 | APNIC assigned | — | TW |
| 210.67.192.0/19 | BGP route | AS9924 Taiwan Fixed Network, Telco and Network Service Provider. | — |
| 210.67.192.0/19 | APNIC assigned | — | TW |
| 210.67.224.0/19 | APNIC assigned | — | TW |
| 210.67.0.0/20 | BGP route | AS4783 SYSTEX CORPORATION | — |
| 210.67.0.0/20 | WHOIS (APNIC) | Systex Corporation SYSNET Business Department | TW |
| 210.67.16.0/20 | BGP route | AS4783 SYSTEX CORPORATION | — |
| 210.67.16.0/20 | WHOIS (APNIC) | Systex Corporation SYSNET Business Department | TW |
| 210.67.96.0/20 | BGP route | AS9244 Diyixian.com Limited | — |
| 210.67.96.0/20 | WHOIS (APNIC) | Diyixian.com (TW) Ltd. | TW |
| 210.67.96.0/20 | APNIC assigned | — | TW |
| 210.67.112.0/20 | BGP route | AS4783 SYSTEX CORPORATION | — |
| 210.67.112.0/20 | WHOIS (APNIC) | Systex Corporation SYSNET Business Department | TW |
| 210.67.112.0/20 | APNIC assigned | — | TW |
| 210.67.128.0/20 | WHOIS (APNIC) | Systex Corporation SYSNET Business Department | TW |
| 210.67.128.0/20 | APNIC assigned | — | TW |
| 210.67.144.0/20 | BGP route | AS9924 Taiwan Fixed Network, Telco and Network Service Provider. | — |
| 210.67.144.0/20 | WHOIS (APNIC) | Taiwan Fixed Network CO.,LTD. | TW |
| 210.67.144.0/20 | APNIC assigned | — | TW |
| 210.67.192.0/20 | WHOIS (APNIC) | Taiwan Fixed Network CO.,LTD. | TW |
| 210.67.208.0/20 | WHOIS (APNIC) | Taiwan Fixed Network CO.,LTD. | TW |
| 210.67.224.0/20 | WHOIS (APNIC) | TimeNet International Corp. | TW |
| 210.67.128.0/21 | BGP route | AS4783 SYSTEX CORPORATION | — |
| 210.67.240.0/21 | WHOIS (APNIC) | Asia Pacific On-Line Service Inc. | TW |
| 210.67.248.0/21 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 210.67.248.0/21 | WHOIS (APNIC) | Ministry of Education Computer Center | TW |
| 210.66.48.0/22 | BGP route | AS4780 Digital United Inc. | — |
| 210.66.64.0/22 | BGP route | AS4780 Digital United Inc. | — |
| 210.66.88.0/22 | BGP route | AS4780 Digital United Inc. | — |
| 210.66.92.0/22 | BGP route | AS4780 Digital United Inc. | — |
| 210.66.104.0/22 | BGP route | AS4780 Digital United Inc. | — |
| 210.66.128.0/22 | BGP route | AS4780 Digital United Inc. | — |
| 210.66.132.0/22 | BGP route | AS4780 Digital United Inc. | — |
| 210.66.136.0/22 | BGP route | AS4780 Digital United Inc. | — |
| 210.66.164.0/22 | BGP route | AS4780 Digital United Inc. | — |
| 210.66.168.0/22 | BGP route | AS4780 Digital United Inc. | — |
| 210.66.244.0/22 | BGP route | AS4780 Digital United Inc. | — |
| 210.66.248.0/22 | BGP route | AS4780 Digital United Inc. | — |
| 210.67.140.0/22 | WHOIS (APNIC) | Systex Corporation SYSNET Business Department | TW |
| 210.67.140.0/23 | WHOIS (APNIC) | Systex Corporation SYSNET Business Department | TW |
| 210.67.131.0/24 | WHOIS (APNIC) | VENTEM INFORMATION SYSTEM CO LTD | TW |