140.131.8.0/21
🇹🇼IPv4APNICannouncedAS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center RPKI Invalid
CIDR
140.131.8.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇹🇼 Taiwan
City
Taipei
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 140.131.8.0/21 | AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center | Invalid | — | 5/31/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 140.128.0.0/13 | AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center | Valid | — | 5/31/2026 |
| 140.131.0.0/16 | AS17716NTU-TW - National Taiwan University | Valid | — | 5/31/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/140.131.8.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/140.131.8.0/21" | jq
External Links