140.123.0.0/16
🇹🇼CIDR
140.123.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇹🇼 Taiwan
City
Chiayi City
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 140.123.0.0/16 | AS17712CCU-TW - National Chung Cheng University | Valid | — | 6/1/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 140.112.0.0/12 | AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center | Valid | — | 6/1/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/140.123.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/140.123.0.0/16" | jq
External Links