83.240.0.0/17
🇨🇿CIDR
83.240.0.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇨🇿 Czechia
City
Rozdrojovice (Brno-Bystrc)
RIR
RIPENCC
Status
allocated
Allocated
3/11/2004
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 83.240.0.0/17 | AS31246NETBOX-AS O2 Czech Republic, a.s. | Valid | RIPE | 5/30/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 83.240.0.0/17 | AS31246 | /17 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS31246 | RIPE | NETBOX-MNT | 11/19/2004 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 83.240.0.0/18 | 🇨🇿CZ | assigned | |
| 83.240.64.0/19 | 🇨🇿CZ | assigned | |
| 83.240.96.0/20 | 🇨🇿CZ | assigned | |
| 83.240.112.0/21 | 🇨🇿CZ | assigned | |
| 83.240.120.0/22 | 🇨🇿CZ | assigned | |
| 83.240.124.0/23 | 🇨🇿CZ | assigned | |
| 83.240.127.0/24 | 🇨🇿CZ | assigned | |
| 83.240.126.0/24 | 🇨🇿CZ | assigned |
Origin ASN
AS31246
NETBOX-AS O2 Czech Republic, a.s.
Geolocation
Country🇨🇿CzechiaCZ
RegionSouth Moravian
CityRozdrojovice (Brno-Bystrc)
Coordinates49.2215, 16.5173 ↗
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/83.240.0.0/17Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/83.240.0.0/17" | jq
External Links