222.30.136.0/21
🇨🇳CIDR
222.30.136.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇳 China
City
Shijiazhuang (Chang'an District)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 222.30.136.0/21 | AS138182CNGI-SJZ-IX-AS-AP - CERNET2 regional IX at Hebei Normal University | No ROA | — | 5/31/2026 |
Covering Prefix
3 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 222.16.0.0/12 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | — | 5/31/2026 |
| 222.24.0.0/13 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | — | 5/31/2026 |
| 222.28.0.0/14 | AS4538ERX-CERNET-BKB - China Education and Research Network Center | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS4538 | RADB | MAINT-AS58453 | 11/13/2023 |
Geolocation
Country🇨🇳ChinaCN
RegionHebei
CityShijiazhuang (Chang'an District)
Coordinates38.0456, 114.5350 ↗
API
Open https://api.ipctl.io/v1/prefix/222.30.136.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/222.30.136.0/21" | jq
External Links