81.21.204.0/23
🇵🇱CIDR
81.21.204.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇵🇱 Poland
City
Krakow (Stare Miasto)
RIR
RIPENCC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.21.204.0/23 | AS8726KKI-BCI-AS Grupa KKI-BCI Sp. Z o.o. | Valid | RIPE | 6/1/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 81.21.204.0/23 | AS8726 | /23 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS8726 | RIPE | BCI-MNT | 11/29/2011 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 81.21.204.0/24 | 🇵🇱PL | assigned |
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/81.21.204.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.21.204.0/23" | jq
External Links