81.177.72.0/21
🇷🇺CIDR
81.177.72.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇷🇺 Russia
City
Moscow (Tsentralnyy administrativnyy okrug)
RIR
RIPENCC
Status
allocated
Allocated
1/15/2003
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.177.72.0/21 | AS8359MTS MTS PJSC | No ROA | RIPE | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.177.78.0/24 | AS40993AltairTula-AS MTS PJSC | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS8359 | RIPE | MTU-NOC | 6/4/2016 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 81.177.74.128/25 | 🇷🇺RU | assigned | |
| 81.177.76.128/28 | 🇷🇺RU | assigned | |
| 81.177.72.112/29 | 🇷🇺RU | assigned |
Origin ASN
AS8359
MTS MTS PJSC
Geolocation
Country🇷🇺RussiaRU
RegionMoscow
CityMoscow (Tsentralnyy administrativnyy okrug)
Coordinates55.7671, 37.6181 ↗
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/81.177.72.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.177.72.0/21" | jq
External Links