Cesky urad zememericky a katastralni
AS28892 is Cesky urad zememericky a katastralni (cuzk.cz). It announces 256 IPv4 addresses in 1 prefix, and 1 IPv6 prefix.
Czechia· RIPE· allocated 2003-03-27· government
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Czechia256 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- CUZK-NET
- name
- Cesky urad zememericky a katastralni
- org
- ORG-CA1156-RIPE
- org name
- Cesky urad zememericky a katastralni
- org address
- Pod Sidlistem 9/1800 Praha
- org country
- CZ
- country
- CZ
- source
- ripe
- status
- ASSIGNED
- created
- 2003-03-27
- updated
- 2018-09-04
- maintainer
- RIPE-NCC-END-MNT|CUZK-MNT
- abuse name
- Abuse-C Role
- abuse email
- abuse@cuzk.cz
- abuse kind
- role
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- 0.39%
- anyip0.39%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.78%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 195.245.209.0/24 | Czechia | valid | 16 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2001:67c:28b8::/48 | Czechia | valid | 19 | 2026-10-02 |
Test the real build first.
An evaluation license puts a full current build in your hands, with no sampling, so you can measure it against your own traffic before anyone talks about terms.