178.57.56.0/21 - SV EN Svyaz Energo (AS50477)
CIDR
178.57.56.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇷🇺 Russia
City
Kostroma
RIR
RIPE
Status
assigned
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 178.57.56.0/21 | AS50477 SV-EN-AS Svyaz-Energo Ltd. | Valid | RIPE | 2026-10-11 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 178.57.56.0/21 | AS50477 | /21 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS50477 | RIPE | kmtn2-mnt | 2015-10-21 |
Transfer History
Registry transfers of 178.57.56.0/21, blocks inside it, or blocks containing it.
- 178.57.32.0/19Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 178.57.32.0/19 | Transit Telecom LLC | OJSC Kostroma Municipal Telephone Network | Transfer |
Origin ASN
AS50477
SV-EN-AS Svyaz-Energo Ltd.
Related Prefixes
Geolocation
Abuse Contact
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfer marketTransfers published by all five RIRs
API
Open https://api.ipctl.io/v1/prefix/178.57.56.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/178.57.56.0/21" | jq
External Links