113.21.236.0/22
🇨🇳IPv4APNICallocated RPKI Valid
CIDR
113.21.236.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇨🇳 China
City
Beijing
RIR
APNIC
Status
allocated
Allocated
11/19/2015
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
10 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 113.21.236.0/24 | AS4812CHINANET-SH-AP - China Telecom (Group) | Valid | — | 6/13/2026 |
| 113.21.237.0/24 | AS4812CHINANET-SH-AP - China Telecom (Group) | Valid | — | 6/13/2026 |
| 113.21.238.0/24 | AS4812CHINANET-SH-AP - China Telecom (Group) | Valid | — | 6/13/2026 |
| 113.21.239.0/24 | AS4812CHINANET-SH-AP - China Telecom (Group) | Valid | — | 6/13/2026 |
| 113.21.237.0/24 | AS17621CNCGROUP-SH - China Unicom Shanghai network | Valid | — | 6/13/2026 |
| 113.21.239.0/24 | AS17621CNCGROUP-SH - China Unicom Shanghai network | Valid | — | 6/13/2026 |
| 113.21.238.0/24 | AS17621CNCGROUP-SH - China Unicom Shanghai network | Valid | — | 6/13/2026 |
| 113.21.236.0/24 | AS17621CNCGROUP-SH - China Unicom Shanghai network | Valid | — | 6/13/2026 |
| 113.21.236.0/24 | AS131314CBC-AS-AP - CBC Tech International Limited | Valid | — | 6/13/2026 |
| 113.21.239.0/24 | AS131314CBC-AS-AP - CBC Tech International Limited | Valid | — | 6/13/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/113.21.236.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/113.21.236.0/22" | jq
External Links