81.200.56.0/21
🇨🇿CIDR
81.200.56.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇿 Czechia
City
Prague
RIR
RIPENCC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.200.56.0/21 | AS41046NEJTV-AS O2 Czech Republic, a.s. | Valid | RIPE | 5/31/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.200.48.0/20 | AS41046NEJTV-AS O2 Czech Republic, a.s. | Valid | — | 5/31/2026 |
RPKI ROAs
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS41046 | RIPE | KTVTRINEC-MNT | 7/13/2012 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 81.200.61.0/24 | 🇨🇿CZ | assigned | |
| 81.200.62.0/25 | 🇨🇿CZ | assigned | |
| 81.200.60.0/25 | 🇨🇿CZ | assigned | |
| 81.200.63.0/25 | 🇨🇿CZ | assigned | |
| 81.200.57.0/25 | 🇨🇿CZ | assigned | |
| 81.200.58.128/26 | 🇨🇿CZ | assigned | |
| 81.200.63.128/26 | 🇨🇿CZ | assigned | |
| 81.200.59.128/26 | 🇨🇿CZ | assigned | |
| 81.200.59.192/27 | 🇨🇿CZ | assigned | |
| 81.200.59.64/27 | 🇨🇿CZ | assigned | |
| 81.200.63.192/27 | 🇨🇿CZ | assigned | |
| 81.200.59.32/27 | 🇨🇿CZ | assigned | |
| 81.200.57.128/27 | 🇨🇿CZ | assigned | |
| 81.200.60.160/27 | 🇨🇿CZ | assigned | |
| 81.200.57.176/28 | 🇨🇿CZ | assigned | |
| 81.200.59.96/28 | 🇨🇿CZ | assigned | |
| 81.200.63.224/28 | 🇨🇿CZ | assigned | |
| 81.200.59.16/28 | 🇨🇿CZ | assigned | |
| 81.200.56.32/28 | 🇨🇿CZ | assigned | |
| 81.200.58.224/28 | 🇨🇿CZ | assigned | |
| 81.200.57.160/28 | 🇨🇿CZ | assigned | |
| 81.200.58.240/29 | 🇨🇿CZ | assigned | |
| 81.200.63.240/29 | 🇨🇿CZ | assigned | |
| 81.200.59.0/29 | 🇨🇿CZ | assigned | |
| 81.200.59.112/29 | 🇨🇿CZ | assigned | |
| 81.200.59.120/29 | 🇨🇿CZ | assigned | |
| 81.200.58.200/29 | 🇨🇿CZ | assigned | |
| 81.200.59.224/29 | 🇨🇿CZ | assigned | |
| 81.200.59.240/29 | 🇨🇿CZ | assigned | |
| 81.200.56.176/29 | 🇨🇿CZ | assigned | |
| 81.200.58.216/29 | 🇨🇿CZ | assigned | |
| 81.200.58.248/29 | 🇨🇿CZ | assigned | |
| 81.200.59.8/29 | 🇨🇿CZ | assigned | |
| 81.200.58.192/29 | 🇨🇿CZ | assigned | |
| 81.200.59.232/29 | 🇨🇿CZ | assigned | |
| 81.200.59.248/29 | 🇨🇿CZ | assigned | |
| 81.200.58.208/29 | 🇨🇿CZ | assigned | |
| 81.200.63.248/30 | 🇨🇿CZ | assigned | |
| 81.200.63.252/31 | 🇨🇿CZ | assigned | |
| 81.200.63.254/32 | 🇨🇿CZ | assigned |
Origin ASN
AS41046
NEJTV-AS O2 Czech Republic, a.s.
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/81.200.56.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.200.56.0/21" | jq
External Links