81.90.160.0/20
π¨πΏCIDR
81.90.160.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
π¨πΏ Czechia
City
Prague
RIR
RIPENCC
Status
allocated
Allocated
7/4/2002
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.90.160.0/20 | AS5610O2-CZECH-REPUBLIC O2 Czech Republic, a.s. | Valid | RIPE | 6/1/2026 |
Covering Prefix
4 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.90.168.0/21 | AS5610O2-CZECH-REPUBLIC O2 Czech Republic, a.s. | Valid | β | 6/1/2026 |
| 81.90.168.0/24 | AS5610O2-CZECH-REPUBLIC O2 Czech Republic, a.s. | Valid | β | 6/1/2026 |
| 81.90.170.0/24 | AS5610O2-CZECH-REPUBLIC O2 Czech Republic, a.s. | Valid | β | 6/1/2026 |
| 81.90.173.0/24 | AS5610O2-CZECH-REPUBLIC O2 Czech Republic, a.s. | Valid | β | 6/1/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 81.90.160.0/20 | AS5610 | /20 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS5610 | RIPE | AS5610-MTN | 11/15/2016 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 81.90.160.0/22 | π¨πΏCZ | assigned | |
| 81.90.164.0/24 | π¨πΏCZ | assigned | |
| 81.90.175.0/24 | π¨πΏCZ | assigned | |
| 81.90.166.0/24 | π¨πΏCZ | assigned | |
| 81.90.168.0/24 | AS5610 | π¨πΏCZ | assigned |
| 81.90.169.0/24 | π¨πΏCZ | assigned | |
| 81.90.171.0/24 | π¨πΏCZ | assigned | |
| 81.90.172.0/24 | π¨πΏCZ | assigned | |
| 81.90.174.0/24 | π¨πΏCZ | assigned | |
| 81.90.173.0/25 | π¨πΏCZ | assigned | |
| 81.90.170.0/26 | π¨πΏCZ | assigned | |
| 81.90.170.64/26 | π¨πΏCZ | assigned | |
| 81.90.173.192/26 | π¨πΏCZ | assigned | |
| 81.90.173.128/26 | π¨πΏCZ | assigned | |
| 81.90.165.96/27 | π¨πΏCZ | assigned | |
| 81.90.165.16/28 | π¨πΏCZ | assigned | |
| 81.90.165.176/28 | π¨πΏCZ | assigned | |
| 81.90.165.48/28 | π¨πΏCZ | assigned | |
| 81.90.165.208/28 | π¨πΏCZ | assigned | |
| 81.90.165.200/29 | π¨πΏCZ | assigned | |
| 81.90.165.224/29 | π¨πΏCZ | assigned | |
| 81.90.165.232/29 | π¨πΏCZ | assigned | |
| 81.90.165.240/29 | π¨πΏCZ | assigned | |
| 81.90.165.248/29 | π¨πΏCZ | assigned | |
| 81.90.165.0/29 | π¨πΏCZ | assigned | |
| 81.90.165.8/29 | π¨πΏCZ | assigned | |
| 81.90.165.32/29 | π¨πΏCZ | assigned | |
| 81.90.165.40/29 | π¨πΏCZ | assigned | |
| 81.90.165.72/29 | π¨πΏCZ | assigned | |
| 81.90.165.64/29 | π¨πΏCZ | assigned | |
| 81.90.165.80/29 | π¨πΏCZ | assigned | |
| 81.90.165.88/29 | π¨πΏCZ | assigned | |
| 81.90.165.128/29 | π¨πΏCZ | assigned | |
| 81.90.165.136/29 | π¨πΏCZ | assigned | |
| 81.90.165.144/29 | π¨πΏCZ | assigned | |
| 81.90.165.152/29 | π¨πΏCZ | assigned | |
| 81.90.165.160/29 | π¨πΏCZ | assigned | |
| 81.90.165.168/29 | π¨πΏCZ | assigned | |
| 81.90.165.192/29 | π¨πΏCZ | assigned |
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/81.90.160.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.90.160.0/20" | jq
External Links