AS201654
CEZNET s.r.o.
AS201654 is CEZNET s.r.o. (ceznet.cz). It announces 1,792 IPv4 addresses in 2 prefixes, and 1 IPv6 prefixes.
Czechia· RIPE· allocated 2014-08-21· isp
1,792
IPv4 addresses announced
2
IPv4 prefixes
1
IPv6 prefixes
100.00%
of its routes RPKI-valid
1,792
of its IPv4 geolocated
1
country
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Czechia1,792 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- CEZNET-AS
- name
- CEZNET s.r.o.
- org
- ORG-TBS13-RIPE
- org name
- CEZNET s.r.o.
- org address
- Duhova 1531/3, 140 00, Praha 4, CZECH REPUBLIC
- org country
- CZ
- country
- CZ
- source
- ripe
- status
- ASSIGNED
- created
- 2014-08-21
- updated
- 2025-09-12
- descr
- CEZNET s.r.o. / W4S
- maintainer
- RIPE-NCC-END-MNT|CEZNET-MNT
- abuse name
- CEZNET hostmaster
- abuse email
- dohled@ceznet.cz
- abuse phone
- +420 211 046 699
- 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 IP85draytek4.74%
- anyip, proxyseller, dataimpulse3.13%
- None here
- floppydata0.06%
- None here
- None here
- Hosting IP1,53685.71%
- None here
- None here
- None here
- SSH IP150.84%
- SMTP IP130.73%
- 0.22%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2a05:1200::/30 | Czechia | valid | 19 | 2026-10-02 |
00 · Evaluate
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.
01 · License
Then license what you use.
Standard, for detection and decisions inside your own product and operations.
Redistribution, when the data ships onward inside what you sell — priced by scope, not by seat.
Annual terms, a named contact, and flexible payment terms — monthly, quarterly or yearly.