27.78.136.0/21
🇻🇳CIDR
27.78.136.0/21
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 |
|---|---|---|---|---|
| 27.78.136.0/21 | AS7552VIETEL-AS-AP - Viettel Group | Valid | RADB | 5/30/2026 |
Covering Prefix
3 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 27.64.0.0/12 | AS7552VIETEL-AS-AP - Viettel Group | Valid | — | 5/30/2026 |
| 27.72.0.0/13 | AS7552VIETEL-AS-AP - Viettel Group | Valid | — | 5/30/2026 |
| 27.78.0.0/16 | AS7552VIETEL-AS-AP - Viettel Group | Valid | — | 5/30/2026 |
Origin ASN
AS7552
VIETEL-AS-AP - Viettel Group
Geolocation
API
Open https://api.ipctl.io/v1/prefix/27.78.136.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/27.78.136.0/21" | jq
External Links