203.64.36.0/22
🇹🇼CIDR
203.64.36.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇹🇼 Taiwan
City
Taipei
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.64.36.0/22 | AS17711NDHU-TW - National Dong Hwa University | Invalid | — | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.64.0.0/16 | AS1659ERX-TANET-ASN1 - Taiwan Academic Network (TANet) Information Center | Valid | — | 5/31/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 203.64.0.0/16 | AS1659 | /16 | apnic |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/203.64.36.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.64.36.0/22" | jq
External Links