203.162.100.0/23
🇻🇳CIDR
203.162.100.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇻🇳 Vietnam
City
Hanoi
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.162.100.0/23 | AS7643VNPT-AS-VN - Vietnam Posts and Telecommunications (VNPT) | Valid | APNICRADB | 5/31/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.162.0.0/16 | AS45899VNPT-AS-VN - VNPT Corp | No ROA | — | 5/31/2026 |
| 203.162.96.0/21 | AS7643VNPT-AS-VN - Vietnam Posts and Telecommunications (VNPT) | No ROA | — | 5/31/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 203.162.100.0/23 | AS7643 | /24 | apnic |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 203.162.100.32/27 | 🇻🇳VN | assigned | |
| 203.162.101.232/29 | 🇻🇳VN | assigned | |
| 203.162.101.24/29 | 🇻🇳VN | assigned | |
| 203.162.101.224/29 | 🇻🇳VN | assigned | |
| 203.162.101.48/29 | 🇻🇳VN | assigned | |
| 203.162.101.40/29 | 🇻🇳VN | assigned | |
| 203.162.101.64/29 | 🇻🇳VN | assigned | |
| 203.162.101.72/29 | 🇻🇳VN | assigned | |
| 203.162.101.16/29 | 🇻🇳VN | assigned | |
| 203.162.101.32/29 | 🇻🇳VN | assigned | |
| 203.162.101.56/29 | 🇻🇳VN | assigned | |
| 203.162.101.80/29 | 🇻🇳VN | assigned | |
| 203.162.101.96/29 | 🇻🇳VN | assigned | |
| 203.162.101.168/29 | 🇻🇳VN | assigned | |
| 203.162.101.216/29 | 🇻🇳VN | assigned | |
| 203.162.101.240/29 | 🇻🇳VN | assigned | |
| 203.162.101.208/29 | 🇻🇳VN | assigned | |
| 203.162.101.104/29 | 🇻🇳VN | assigned | |
| 203.162.101.8/29 | 🇻🇳VN | assigned | |
| 203.162.101.200/29 | 🇻🇳VN | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/203.162.100.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.162.100.0/23" | jq
External Links