| 140.0.0.0/8 | WHOIS (ARIN) | Various Registries (Maintained by ARIN) | US |
| 140.112.0.0/12 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.120.0.0/13 | WHOIS (APNIC) | TANET-BNETA | TW |
| 140.120.0.0/13 | APNIC assigned | — | TW |
| 140.116.0.0/14 | APNIC assigned | — | TW |
| 140.118.0.0/15 | WHOIS (APNIC) | TANET-BNETA | TW |
| 140.112.0.0/16 | BGP route | AS17716 National Taiwan University | — |
| 140.112.0.0/16 | WHOIS (APNIC) | Taiwan Academic Network | TW |
| 140.112.0.0/16 | APNIC assigned | — | TW |
| 140.113.0.0/16 | BGP route | AS9916 National Yang Ming Chiao Tung University | — |
| 140.113.0.0/16 | WHOIS (APNIC) | Taiwan Academic Network | TW |
| 140.113.0.0/16 | APNIC assigned | — | TW |
| 140.114.0.0/16 | BGP route | AS18047 National Tsing-Hua University | — |
| 140.114.0.0/16 | WHOIS (APNIC) | Taiwan Academic Network | TW |
| 140.114.0.0/16 | APNIC assigned | — | TW |
| 140.115.0.0/16 | BGP route | AS18420 National Central University | — |
| 140.115.0.0/16 | WHOIS (APNIC) | Taiwan Academic Network | TW |
| 140.115.0.0/16 | APNIC assigned | — | TW |
| 140.116.0.0/16 | WHOIS (APNIC) | Taiwan Academic Network | TW |
| 140.117.0.0/16 | BGP route | AS17713 Ministry of Education Computer Center | — |
| 140.117.0.0/16 | WHOIS (APNIC) | TANET-BNETA | TW |
| 140.120.0.0/16 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.125.0.0/16 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.112.0.0/17 | BGP route | AS17716 National Taiwan University | — |
| 140.112.128.0/17 | BGP route | AS17716 National Taiwan University | — |
| 140.112.112.0/20 | BGP route | AS17716 National Taiwan University | — |
| 140.127.176.0/20 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.119.88.0/21 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.192.0/22 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.82.0/23 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.84.0/23 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.36.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.37.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.38.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.39.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.40.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.41.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.42.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.43.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.44.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.45.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.46.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.47.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.48.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.50.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.51.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.52.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.53.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.56.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.57.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.58.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.59.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.60.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.61.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.63.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.64.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.65.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.67.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.68.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.69.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.70.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.71.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.72.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.73.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |
| 140.127.74.0/24 | BGP route | AS1659 Taiwan Academic Network (TANet) Information Center | — |