221.131.144.0/22
🇨🇳CIDR
221.131.144.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇨🇳 China
City
Nanjing
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 221.131.144.0/22 | AS56046CMNET-Jiangsu-AP - China Mobile communications corporation | Valid | RADB | 6/2/2026 |
Covering Prefix
6 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 221.130.0.0/15 | AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. | No ROA | — | 6/2/2026 |
| 221.131.128.0/18 | AS56046CMNET-Jiangsu-AP - China Mobile communications corporation | Valid | — | 6/2/2026 |
| 221.131.147.0/24 | AS56046CMNET-Jiangsu-AP - China Mobile communications corporation | Valid | — | 6/2/2026 |
| 221.131.144.0/24 | AS56046CMNET-Jiangsu-AP - China Mobile communications corporation | Valid | — | 6/2/2026 |
| 221.131.145.0/24 | AS56046CMNET-Jiangsu-AP - China Mobile communications corporation | Valid | — | 6/2/2026 |
| 221.131.146.0/24 | AS56046CMNET-Jiangsu-AP - China Mobile communications corporation | Valid | — | 6/2/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/221.131.144.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/221.131.144.0/22" | jq
External Links