221.181.192.0/21
🇨🇳CIDR
221.181.192.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇳 China
City
Nanjing
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 221.181.192.0/21 | AS56046CMNET-Jiangsu-AP - China Mobile communications corporation | Invalid | — | 6/14/2026 |
Covering Prefix
5 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 221.176.0.0/13 | AS9808CHINAMOBILE-CN - China Mobile Communications Group Co., Ltd. | No ROA | — | 6/14/2026 |
| 221.181.128.0/17 | AS56046CMNET-Jiangsu-AP - China Mobile communications corporation | Valid | — | 6/14/2026 |
| 221.181.196.0/22 | AS56046CMNET-Jiangsu-AP - China Mobile communications corporation | Valid | — | 6/14/2026 |
| 221.181.193.0/24 | AS56046CMNET-Jiangsu-AP - China Mobile communications corporation | Valid | — | 6/14/2026 |
| 221.181.195.0/24 | AS56046CMNET-Jiangsu-AP - China Mobile communications corporation | Valid | — | 6/14/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 221.181.128.0/17 | AS56046 | /17 | apnic |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/221.181.192.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/221.181.192.0/21" | jq
External Links