203.151.128.0/21
🇹ðŸ‡CIDR
203.151.128.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇹🇠Thailand
City
Vadhana (Khwaeng Bang Kapi)
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.151.128.0/21 | AS4618INET-TH-AS - Internet Thailand Company Limited | Valid | APNICRADB | 5/31/2026 |
Covering Prefix
3 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.151.0.0/16 | AS4618INET-TH-AS - Internet Thailand Company Limited | No ROA | — | 5/31/2026 |
| 203.151.128.0/19 | AS4618INET-TH-AS - Internet Thailand Company Limited | Valid | — | 5/31/2026 |
| 203.151.128.0/20 | AS4618INET-TH-AS - Internet Thailand Company Limited | Valid | — | 5/31/2026 |
RPKI ROAs
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 203.151.128.0/24 | 🇹ðŸ‡TH | assigned |
Geolocation
Country🇹ðŸ‡ThailandTH
RegionBangkok
CityVadhana (Khwaeng Bang Kapi)
Coordinates13.7476, 100.5670 ↗
API
Open https://api.ipctl.io/v1/prefix/203.151.128.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.151.128.0/21" | jq
External Links