121.11.128.0/22 - CHINATELECOM Guangdong Province Zhongshan 5G Network (AS140309)
IPv4APNICannouncedAS140309CHINATELECOM-GUANGDONG-ZHONGSHAN-5G-NETWORK - CHINATELECOM Guangdong province Zhongshan 5G network RPKI Invalid
CIDR
121.11.128.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇨🇳 China
City
Guangzhou
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.11.128.0/22 | AS140309 CHINATELECOM-GUANGDONG-ZHONGSHAN-5G-NETWORK - CHINATELECOM Guangdong province Zhongshan 5G network | Invalid | - | 2026-10-12 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.8.0.0/13 | AS4134 CHINANET-BACKBONE - No.31,Jin-rong Street | Valid | - | 2026-10-12 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 121.8.0.0/13 | AS4134 | /13 | apnic |
Related Prefixes
More prefixes of AS140309
All prefixes of AS140309 →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/121.11.128.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/121.11.128.0/22" | jq
External Links