81.28.40.0/23
🇮🇷CIDR
81.28.40.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇮🇷 Iran
City
Tehrān (District 2)
RIR
RIPENCC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.28.40.0/23 | AS25306INSTITUTE-ISIRAN IsIran | No ROA | RADB | 5/31/2026 |
Covering Prefix
3 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.28.32.0/19 | AS25306INSTITUTE-ISIRAN IsIran | No ROA | — | 5/31/2026 |
| 81.28.40.0/24 | AS25306INSTITUTE-ISIRAN IsIran | No ROA | — | 5/31/2026 |
| 81.28.41.0/24 | AS25306INSTITUTE-ISIRAN IsIran | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS25306 | RADB | MAINT-AS3491 | 3/28/2025 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 81.28.40.0/24 | AS25306 | 🇮🇷IR | assigned |
| 81.28.41.0/24 | AS25306 | 🇮🇷IR | assigned |
Origin ASN
AS25306
INSTITUTE-ISIRAN IsIran
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/81.28.40.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.28.40.0/23" | jq
External Links