AS25512 CD-Telematika a.s.
AS25512 is operated by CD-Telematika a.s. and registered with RIPE NCC (CZ) since 2002-12-17.
It announces 13 IPv4 and 1 IPv6 prefixes, 100% of them RPKI valid.
RIPE RIS sees 14 upstream and peer networks and 32 downstream networks next to it.
PeeringDB lists it as an NSP network at 2 internet exchanges and 2 facilities. Its peering policy is open.
| Name | CD-Telematika a.s. |
|---|---|
| Registry (RIR) | RIPE NCC |
| Country | Czechia (CZ) |
| Delegated on | 2002-12-17 |
| Network type | NSP, Europe |
| Peering policy | Open |
| IRR as-set | AS-CDT-NETWORKS |
| Prefixes (IPv4 / IPv6) | 13 / 1 |
| RPKI valid | 100% (14 / 14) |
| Upstreams and peers | 14 |
| Downstream networks | 32 |
| Website | cdt.cz |
Routing health
- AS25512 announces 13 IPv4 and 1 IPv6 prefixes.
- All 14 announced prefixes are RPKI valid.
- 14 upstreams and peers, 32 downstream networks seen.
For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.
Announced prefixes 14
- 81.19.32.0/20
- 82.117.128.0/19
- 82.202.64.0/18
- 85.13.64.0/18
- 85.184.16.0/20
- 85.209.124.0/23
- 89.203.128.0/17
- 91.234.162.0/23
- 131.117.192.0/21
- 185.134.0.0/22
- 195.146.96.0/19
- 212.11.96.0/19
- 213.235.128.0/18
- 2001:1a48::/32
Upstreams and peers 14
The networks RIPE RIS sees next to AS25512 in BGP paths, the most visible first.
Peering
Peering policy: Open. Suggested max-prefix limits: 150 IPv4, 40 IPv6. PeeringDB record
| Exchange | Ports | Speed | Route server |
|---|---|---|---|
| NIX.CZ: Public peering VLAN | 2 | 200G | Yes |
| NIX.SK | 1 | 10G | Yes |
| Facility | City | Country |
|---|---|---|
| CE Colo Prague | Prague | CZ |
| Sitel Bratislava | Bratislava | SK |
More about AS25512
Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-14 12:02 UTC. The country is where the AS number was registered, not necessarily where the network operates.