203.162.136.0/21
🇻🇳CIDR
203.162.136.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇻🇳 Vietnam
City
Hanoi
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.162.136.0/21 | AS45899VNPT-AS-VN - VNPT Corp | Valid | APNICRADB | 5/31/2026 |
Covering Prefix
5 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 |
| 203.162.136.0/23 | AS45899VNPT-AS-VN - VNPT Corp | Valid | — | 5/31/2026 |
| 203.162.138.0/23 | AS45899VNPT-AS-VN - VNPT Corp | Valid | — | 5/31/2026 |
| 203.162.140.0/23 | AS45899VNPT-AS-VN - VNPT Corp | Valid | — | 5/31/2026 |
| 203.162.142.0/23 | AS45899VNPT-AS-VN - VNPT Corp | Valid | — | 5/31/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 203.162.128.0/20 | AS45899 | /24 | apnic |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 203.162.138.0/24 | 🇻🇳VN | assigned | |
| 203.162.142.0/24 | 🇻🇳VN | assigned | |
| 203.162.136.128/26 | 🇻🇳VN | assigned | |
| 203.162.136.64/27 | 🇻🇳VN | assigned | |
| 203.162.136.96/27 | 🇻🇳VN | assigned | |
| 203.162.136.32/27 | 🇻🇳VN | assigned | |
| 203.162.136.192/27 | 🇻🇳VN | assigned | |
| 203.162.139.232/29 | 🇻🇳VN | assigned | |
| 203.162.139.96/29 | 🇻🇳VN | assigned | |
| 203.162.139.112/29 | 🇻🇳VN | assigned | |
| 203.162.139.120/29 | 🇻🇳VN | assigned | |
| 203.162.139.184/29 | 🇻🇳VN | assigned | |
| 203.162.139.192/29 | 🇻🇳VN | assigned | |
| 203.162.139.80/29 | 🇻🇳VN | assigned | |
| 203.162.139.88/29 | 🇻🇳VN | assigned | |
| 203.162.139.160/29 | 🇻🇳VN | assigned | |
| 203.162.139.200/29 | 🇻🇳VN | assigned | |
| 203.162.139.208/29 | 🇻🇳VN | assigned | |
| 203.162.139.16/29 | 🇻🇳VN | assigned | |
| 203.162.139.56/29 | 🇻🇳VN | assigned | |
| 203.162.139.104/29 | 🇻🇳VN | assigned | |
| 203.162.139.8/29 | 🇻🇳VN | assigned | |
| 203.162.139.64/29 | 🇻🇳VN | assigned | |
| 203.162.139.72/29 | 🇻🇳VN | assigned | |
| 203.162.139.40/29 | 🇻🇳VN | assigned | |
| 203.162.139.48/29 | 🇻🇳VN | assigned | |
| 203.162.139.136/29 | 🇻🇳VN | assigned | |
| 203.162.139.168/29 | 🇻🇳VN | assigned | |
| 203.162.139.144/29 | 🇻🇳VN | assigned | |
| 203.162.139.152/29 | 🇻🇳VN | assigned | |
| 203.162.139.128/29 | 🇻🇳VN | assigned | |
| 203.162.139.216/29 | 🇻🇳VN | assigned | |
| 203.162.139.224/29 | 🇻🇳VN | assigned | |
| 203.162.139.176/29 | 🇻🇳VN | assigned |
Origin ASN
AS45899
VNPT-AS-VN - VNPT Corp
Geolocation
API
Open https://api.ipctl.io/v1/prefix/203.162.136.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.162.136.0/21" | jq
External Links