221.133.20.0/22 - Sai Gon Postel Corporation (AS7602)
CIDR
221.133.20.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇻🇳 Vietnam
City
Quận Một
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 221.133.20.0/22 | AS7602 SPT-AS-VN - Sai gon Postel Corporation | Valid | APNIC | 2026-10-12 |
More-Specific Announcements
3 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 221.133.20.0/24 | AS7602 SPT-AS-VN - Sai gon Postel Corporation | Valid | - | 2026-10-12 |
| 221.133.22.0/24 | AS7602 SPT-AS-VN - Sai gon Postel Corporation | Valid | - | 2026-10-12 |
| 221.133.23.0/24 | AS7602 SPT-AS-VN - Sai gon Postel Corporation | Valid | - | 2026-10-12 |
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/221.133.20.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/221.133.20.0/22" | jq
External Links