203.205.8.0/21 - BGP Prefix (MOAS)
IPv4APNICannouncedMOAS RPKI Invalid
CIDR
203.205.8.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇻🇳 Vietnam
City
Hanoi
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 |
|---|---|---|---|---|
| 203.205.8.0/21 | AS38733 CMCTELECOM-VN CMC Telecom Infrastructure Company | Invalid | - | 2026-10-11 |
| 203.205.8.0/21 | AS55309 MTT-AS-VN Minh Tu Telecom Limited Company | Invalid | - | 2026-10-11 |
More-Specific Announcements
9 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.205.8.0/22 | AS45903 CMCTELECOM-VN CMC Telecom Infrastructure Company | Valid | - | 2026-10-11 |
| 203.205.8.0/24 | AS38732 CMCTELECOM-VN CMC Telecom Infrastructure Company | Invalid | - | 2026-10-11 |
| 203.205.8.0/24 | AS45903 CMCTELECOM-VN CMC Telecom Infrastructure Company | Valid | - | 2026-10-11 |
| 203.205.9.0/24 | AS45903 CMCTELECOM-VN CMC Telecom Infrastructure Company | Valid | - | 2026-10-11 |
| 203.205.10.0/24 | AS45903 CMCTELECOM-VN CMC Telecom Infrastructure Company | Valid | - | 2026-10-11 |
| 203.205.11.0/24 | AS45903 CMCTELECOM-VN CMC Telecom Infrastructure Company | Valid | - | 2026-10-11 |
| 203.205.12.0/24 | AS45903 CMCTELECOM-VN CMC Telecom Infrastructure Company | Valid | - | 2026-10-11 |
| 203.205.13.0/24 | AS45903 CMCTELECOM-VN CMC Telecom Infrastructure Company | Valid | - | 2026-10-11 |
| 203.205.15.0/24 | AS38733 CMCTELECOM-VN CMC Telecom Infrastructure Company | Valid | - | 2026-10-11 |
Origin ASNs (2)
AS38733MOAS
CMCTELECOM-VN CMC Telecom Infrastructure Company
AS55309MOAS
MTT-AS-VN Minh Tu Telecom Limited Company
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/203.205.8.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.205.8.0/21" | jq
External Links