81.28.57.0/24
🇮🇷CIDR
81.28.57.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇮🇷 Iran
City
Tehrān
RIR
RIPE
Status
assigned
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.28.57.0/24 | AS25306INSTITUTE-ISIRAN IsIran | No ROA | RIPE | 5/31/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.28.32.0/19 | AS25306INSTITUTE-ISIRAN IsIran | No ROA | — | 5/31/2026 |
| 81.28.56.0/23 | AS25306INSTITUTE-ISIRAN IsIran | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS25306 | RIPE | INSTITUTE-ISIRAN-MNT | 2/15/2016 |
Origin ASN
AS25306
INSTITUTE-ISIRAN IsIran
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/81.28.57.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.28.57.0/24" | jq
External Links