183.91.48.0/21 - CHINATELECOM CORE WAN CN2 China Telecom Next Generation Carrier Network (AS4809)
IPv4APNICannouncedAS4809CHINATELECOM-CORE-WAN-CN2 China Telecom Next Generation Carrier Network RPKI Valid
CIDR
183.91.48.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇭🇰 Hong Kong
City
Wanchai
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 183.91.48.0/21 | AS4809 CHINATELECOM-CORE-WAN-CN2 China Telecom Next Generation Carrier Network | Valid | APNICOther IRR | 2026-10-11 |
More-Specific Announcements
1 more-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 183.91.51.0/24 | AS23764 CTGNET CTGNet | Valid | - | 2026-10-11 |
RPKI ROAs
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 183.91.48.0/22 | 🇭🇰HK | assigned | |
| 183.91.52.0/22 | 🇭🇰HK | 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/183.91.48.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/183.91.48.0/21" | jq
External Links