81.6.128.0/21
π΅π±CIDR
81.6.128.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
π΅π± Poland
City
Kielce
RIR
RIPENCC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.6.128.0/21 | AS30778KIELMAN-COM-AS Kielce University of Technology | Valid | RIPE | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.6.133.0/24 | AS209801VF Virtual Future sp. z o.o. | Invalid | β | 5/31/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 81.6.128.0/21 | AS30778 | /21 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS30778 | RIPE | KUT-PL | 1/30/2004 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 81.6.134.0/23 | π΅π±PL | assigned | |
| 81.6.129.0/24 | π΅π±PL | assigned | |
| 81.6.133.0/24 | AS209801 | π΅π±PL | assigned |
| 81.6.128.192/26 | π΅π±PL | assigned | |
| 81.6.128.0/26 | π΅π±PL | assigned |
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/81.6.128.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.6.128.0/21" | jq
External Links