210.22.254.0/23 - China Unicom Shanghai Network (AS17621)
CIDR
210.22.254.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇨🇳 China
City
Jinrongjie (Xicheng District)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 210.22.254.0/23 | AS17621 CNCGROUP-SH - China Unicom Shanghai network | Valid | APNIC | 2026-10-12 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 210.22.192.0/18 | AS9929 CUII - CHINA UNICOM Industrial Internet Backbone | No ROA | - | 2026-10-12 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 210.22.254.0/23 | AS17621 | /23 | apnic |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS17621 | APNIC | MAINT-CNCGROUP-RR | 2017-05-04 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 210.22.254.0/26 | 🇨🇳CN | assigned | |
| 210.22.254.64/26 | 🇨🇳CN | assigned | |
| 210.22.254.128/27 | 🇨🇳CN | assigned | |
| 210.22.254.160/27 | 🇨🇳CN | assigned | |
| 210.22.254.192/26 | 🇨🇳CN | assigned | |
| 210.22.255.0/26 | 🇨🇳CN | assigned | |
| 210.22.255.64/26 | 🇨🇳CN | assigned | |
| 210.22.255.128/27 | 🇨🇳CN | assigned | |
| 210.22.255.160/27 | 🇨🇳CN | assigned | |
| 210.22.255.192/26 | 🇨🇳CN | assigned |
Related Prefixes
Geolocation
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the APNIC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/210.22.254.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/210.22.254.0/23" | jq
External Links