185.51.28.0/22
🇨🇿CIDR
185.51.28.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇨🇿 Czechia
City
Opava
RIR
RIPENCC
Status
allocated
Allocated
3/20/2014
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 185.51.28.0/22 | AS197307bnet-internet_cz Core4Net, s.r.o. | Valid | RIPE | 5/31/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 185.51.28.0/22 | AS197307 | /24 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS197307 | RIPE | cz-bnet-business-1-mnt | 5/22/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 185.51.28.0/24 | 🇨🇿CZ | assigned | |
| 185.51.31.0/24 | 🇨🇿CZ | assigned | |
| 185.51.30.0/24 | 🇨🇿CZ | assigned | |
| 185.51.29.0/24 | 🇨🇿CZ | assigned |
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/185.51.28.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/185.51.28.0/22" | jq
External Links