109.75.144.0/21
🇨🇿CIDR
109.75.144.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇿 Czechia
City
Vestec (Praha 11)
RIR
RIPENCC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 109.75.144.0/21 | AS12767PRAGONET-AS T-Mobile Czech Republic a.s. | Invalid | — | 6/1/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 109.75.144.0/20 | AS12767PRAGONET-AS T-Mobile Czech Republic a.s. | Invalid | — | 6/1/2026 |
| 109.75.144.0/20 | AS13036TMOBILE-CZ T-Mobile Czech Republic a.s. | Valid | — | 6/1/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 109.75.144.0/20 | AS13036 | /20 | ripe |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 109.75.144.0/24 | 🇨🇿CZ | assigned | |
| 109.75.145.0/24 | 🇨🇿CZ | assigned | |
| 109.75.146.0/24 | 🇨🇿CZ | assigned | |
| 109.75.147.0/24 | 🇨🇿CZ | assigned | |
| 109.75.148.0/24 | 🇨🇿CZ | assigned | |
| 109.75.149.0/24 | 🇨🇿CZ | assigned | |
| 109.75.150.0/24 | 🇨🇿CZ | assigned | |
| 109.75.151.0/24 | 🇨🇿CZ | assigned |
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/109.75.144.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/109.75.144.0/21" | jq
External Links