203.130.40.0/21 - BGP Prefix (MOAS)
IPv4APNICannouncedMOAS RPKI Valid
CIDR
203.130.40.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇳 China
City
Beijing
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
2 of 2 routesMOAS - 2 origin ASNs
RPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.130.40.0/21 | AS4808 CHINA169-BJ China Unicom Beijing Province Network | Valid | - | 2026-10-11 |
| 203.130.40.0/21 | AS23724 CHINANET-IDC-BJ-AP IDC, China Telecommunications Corporation | Valid | Other IRR | 2026-10-11 |
More-Specific Announcements
5 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.130.40.0/24 | AS133111 CNT-NORTHCHINA CERNET New Technology Co., Ltd | Valid | - | 2026-10-11 |
| 203.130.41.0/24 | AS133111 CNT-NORTHCHINA CERNET New Technology Co., Ltd | Valid | - | 2026-10-11 |
| 203.130.42.0/24 | AS133111 CNT-NORTHCHINA CERNET New Technology Co., Ltd | Valid | - | 2026-10-11 |
| 203.130.44.0/24 | AS133111 CNT-NORTHCHINA CERNET New Technology Co., Ltd | Valid | - | 2026-10-11 |
| 203.130.46.0/24 | AS133111 CNT-NORTHCHINA CERNET New Technology Co., Ltd | Valid | - | 2026-10-11 |
Origin ASNs (2)
AS4808MOAS
CHINA169-BJ China Unicom Beijing Province Network
AS23724MOAS
CHINANET-IDC-BJ-AP IDC, China Telecommunications Corporation
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/203.130.40.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.130.40.0/21" | jq
External Links