1.52.40.0/23
🇻🇳CIDR
1.52.40.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇻🇳 Vietnam
City
Nam Định
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 1.52.40.0/23 | AS18403FPT-VN - FPT Telecom Company | Valid | APNIC | 5/30/2026 |
Covering Prefix
3 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 1.52.0.0/14 | AS18403FPT-VN - FPT Telecom Company | Valid | — | 5/30/2026 |
| 1.52.0.0/18 | AS18403FPT-VN - FPT Telecom Company | Valid | — | 5/30/2026 |
| 1.52.32.0/20 | AS18403FPT-VN - FPT Telecom Company | Valid | — | 5/30/2026 |
Origin ASN
AS18403
FPT-VN - FPT Telecom Company
Geolocation
API
Open https://api.ipctl.io/v1/prefix/1.52.40.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/1.52.40.0/23" | jq
External Links