2.21.16.0/22
🇹🇼IPv4RIPEannouncedAS9924TFN-TW - Taiwan Fixed Network, Telco and Network Service Provider. RPKI Valid
CIDR
2.21.16.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇹🇼 Taiwan
City
Taipei
RIR
RIPE
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2.21.16.0/22 | AS9924TFN-TW - Taiwan Fixed Network, Telco and Network Service Provider. | Valid | RIPE | 5/30/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 2.16.0.0/13 | AS20940AKAMAI-ASN1 Akamai International B.V. | Valid | — | 5/30/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/2.21.16.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/2.21.16.0/22" | jq
External Links