203.190.164.0/23
🇻🇳CIDR
203.190.164.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇻🇳 Vietnam
City
Láng Thượng
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.190.164.0/23 | AS7552VIETEL-AS-AP - Viettel Group | Valid | APNIC | 6/1/2026 |
Covering Prefix
3 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.190.160.0/20 | AS24086VIETTEL-AS-VN - Viettel Corporation | Valid | — | 6/1/2026 |
| 203.190.164.0/24 | AS7552VIETEL-AS-AP - Viettel Group | Valid | — | 6/1/2026 |
| 203.190.165.0/24 | AS7552VIETEL-AS-AP - Viettel Group | Valid | — | 6/1/2026 |
RPKI ROAs
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 203.190.164.0/24 | AS7552 | 🇻🇳VN | assigned |
| 203.190.165.0/24 | AS7552 | 🇻🇳VN | assigned |
| 203.190.165.0/27 | 🇻🇳VN | assigned | |
| 203.190.165.80/28 | 🇻🇳VN | assigned | |
| 203.190.165.32/28 | 🇻🇳VN | assigned | |
| 203.190.165.64/29 | 🇻🇳VN | assigned |
Origin ASN
AS7552
VIETEL-AS-AP - Viettel Group
Geolocation
API
Open https://api.ipctl.io/v1/prefix/203.190.164.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.190.164.0/23" | jq
External Links