81.12.40.0/21
🇮🇷CIDR
81.12.40.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇮🇷 Iran
City
Tehran (District 6)
RIR
RIPENCC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.12.40.0/21 | AS42337RESPINA-AS Respina Networks & Beyond PJSC | Valid | — | 5/31/2026 |
Covering Prefix
8 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.12.40.0/24 | AS42337RESPINA-AS Respina Networks & Beyond PJSC | Valid | — | 5/31/2026 |
| 81.12.41.0/24 | AS42337RESPINA-AS Respina Networks & Beyond PJSC | Valid | — | 5/31/2026 |
| 81.12.42.0/24 | AS42337RESPINA-AS Respina Networks & Beyond PJSC | Valid | — | 5/31/2026 |
| 81.12.43.0/24 | AS42337RESPINA-AS Respina Networks & Beyond PJSC | Valid | — | 5/31/2026 |
| 81.12.44.0/24 | AS42337RESPINA-AS Respina Networks & Beyond PJSC | Valid | — | 5/31/2026 |
| 81.12.45.0/24 | AS42337RESPINA-AS Respina Networks & Beyond PJSC | Valid | — | 5/31/2026 |
| 81.12.47.0/24 | AS42337RESPINA-AS Respina Networks & Beyond PJSC | Valid | — | 5/31/2026 |
| 81.12.46.0/24 | AS207350Faratechnology Arshia Asadi | Valid | — | 5/31/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 81.12.40.0/21 | AS42337 | /24 | ripe |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 81.12.40.0/22 | 🇮🇷IR | assigned | |
| 81.12.44.0/23 | 🇮🇷IR | assigned | |
| 81.12.47.0/24 | AS42337 | 🇮🇷IR | assigned |
| 81.12.46.0/24 | AS207350 | 🇮🇷IR | assigned |
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/81.12.40.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.12.40.0/21" | jq
External Links