CETIN a.s.
AS28725 is CETIN a.s. (cetin.cz). It announces 134,400 IPv4 addresses in 9 prefixes, and 2 IPv6 prefixes.
Czechia· RIPE· allocated 2003-02-10· isp
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Czechia134,144 · 99.81%
- Switzerland256 · 0.19%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- CETIN-AS
- name
- CETIN a.s.
- org
- ORG-EPss1-RIPE
- org name
- CETIN a.s.
- org address
- Ceskomoravska 2510/19, 190 00, Prague 9, CZECH REPUBLIC
- org country
- CZ
- country
- CZ
- source
- ripe
- status
- ASSIGNED
- created
- 2003-02-10
- updated
- 2020-03-24
- maintainer
- RIPE-NCC-END-MNT|CETIN-MNT
- abuse name
- CETIN hostmaster
- abuse email
- abuse@cetin.cz
- abuse phone
- +420 238 461 111
- 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.
- VPN IP1,405draytek1.05%
- anyip, proxyseller, geonix0.47%
- None here
- floppydata0.00%
- None here
- None here
- Hosting IP29,18421.71%
- None here
- None here
- None here
- SSH IP1,9771.47%
- SMTP IP1220.09%
- 0.10%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 80.78.150.0/24 | Czechia | valid | 17 | 2026-10-02 |
| 85.162.0.0/15 | Czechia | valid | 17 | 2026-10-02 |
| 85.162.0.0/16 | Czechia | valid | 17 | 2026-10-02 |
| 85.163.0.0/16 | Czechia | valid | 17 | 2026-10-02 |
| 136.238.226.0/24 | Switzerland | not found | 17 | 2026-10-02 |
| 185.218.92.0/23 | Czechia | valid | 17 | 2026-10-02 |
| 194.50.64.0/22 | Czechia | valid | 17 | 2026-10-02 |
| 194.147.12.0/22 | Czechia | valid | 17 | 2026-10-02 |
| 212.96.180.0/24 | Czechia | valid | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
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