221.128.252.0/22
🇨🇳CIDR
221.128.252.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇨🇳 China
City
Beijing
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 221.128.252.0/22 | AS18180TWNIC-AS - Taiwan Network Information Center | No ROA | — | 6/2/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 221.128.248.0/21 | AS18180TWNIC-AS - Taiwan Network Information Center | No ROA | — | 6/2/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/221.128.252.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/221.128.252.0/22" | jq
External Links