81.90.240.0/20
π¨πΏCIDR
81.90.240.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
π¨πΏ Czechia
City
Prague
RIR
RIPENCC
Status
allocated
Allocated
4/21/2006
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.90.240.0/20 | AS39761ABAK ABAK, Co.Ltd. | Valid | RIPE | 5/31/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 81.90.240.0/20 | AS39761 | /24 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS39761 | RIPE | MNT-ABAK | 6/4/2006 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 81.90.248.0/21 | π¨πΏCZ | assigned | |
| 81.90.246.0/23 | π¨πΏCZ | assigned | |
| 81.90.241.0/24 | π¨πΏCZ | assigned | |
| 81.90.242.0/24 | π¨πΏCZ | assigned | |
| 81.90.245.0/24 | π¨πΏCZ | assigned | |
| 81.90.243.0/24 | π¨πΏCZ | assigned | |
| 81.90.240.0/24 | π¨πΏCZ | assigned | |
| 81.90.244.0/24 | π¨πΏCZ | assigned |
Origin ASN
AS39761
ABAK ABAK, Co.Ltd.
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/81.90.240.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.90.240.0/20" | jq
External Links