81.5.64.0/19
🇷🇺CIDR
81.5.64.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇷🇺 Russia
City
Moscow
RIR
RIPENCC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.5.64.0/19 | AS25100MIPT-NET Non state educational institution "Educational Scientific and Experimental Center of Moscow Institute of Physics and Technology" | Valid | RIPE | 6/2/2026 |
Covering Prefix
4 less-specific announcementsRPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 81.5.64.0/18 | AS25100 | /32 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS25100 | RIPE | MIPT-NET-MNT | 12/11/2015 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 81.5.72.0/21 | 🇷🇺RU | assigned | |
| 81.5.64.0/21 | 🇷🇺RU | assigned | |
| 81.5.80.0/21 | 🇷🇺RU | assigned | |
| 81.5.92.0/22 | 🇷🇺RU | assigned | |
| 81.5.88.0/23 | 🇷🇺RU | assigned | |
| 81.5.91.0/24 | 🇷🇺RU | assigned | |
| 81.5.90.0/24 | 🇷🇺RU | assigned |
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/81.5.64.0/19Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.5.64.0/19" | jq
External Links