203.121.144.0/23 - Pacific Internet Pte (AS4765)
CIDR
203.121.144.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇹🇭 SG
City
Bangkok
RIR
APNIC
Status
allocated
Allocated
2000-03-24
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.121.144.0/23 | AS4765 PACIFICINTERNET-AS-AP - Pacific Internet Pte Ltd | No ROA | Other IRR | 2026-10-12 |
More-Specific Announcements
2 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.121.144.0/24 | AS4765 PACIFICINTERNET-AS-AP - Pacific Internet Pte Ltd | Valid | - | 2026-10-12 |
| 203.121.145.0/24 | AS4765 PACIFICINTERNET-AS-AP - Pacific Internet Pte Ltd | Valid | - | 2026-10-12 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 203.121.144.0/24 | AS4765 | 🇸🇬SG | assigned |
| 203.121.144.0/25 | 🇹🇭TH | assigned | |
| 203.121.144.128/26 | 🇹🇭TH | assigned | |
| 203.121.144.192/27 | 🇹🇭TH | assigned | |
| 203.121.144.224/28 | 🇹🇭TH | assigned | |
| 203.121.144.240/29 | 🇹🇭TH | assigned | |
| 203.121.144.248/30 | 🇹🇭TH | assigned | |
| 203.121.144.252/31 | 🇹🇭TH | assigned | |
| 203.121.144.254/32 | 🇹🇭TH | assigned | |
| 203.121.145.0/24 | AS4765 | 🇸🇬SG | assigned |
| 203.121.145.0/25 | 🇹🇭TH | assigned | |
| 203.121.145.128/25 | 🇹🇭TH | assigned |
Related Prefixes
Geolocation
Country🇹🇭SGTH
CityBangkok
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/203.121.144.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.121.144.0/23" | jq
External Links