Autonomous system
AS28725: CETIN a.s.
Czechia · consumer ISP
Estimated users is a published estimate of how many people use this network, extrapolated from 82,505 observations over a 60 day window. Large operators often run several networks, so a low figure can mean their customers reach the internet through a sibling network.
What this tells you
- An estimated 109,331 people using this network are in Czechia, 1% of everyone online there.
- The same operator runs 1 other network, listed below.
Countries in this space
Space we can place in a country covers 100% of this network's IPv4 space and 100% of its IPv6 space. The table below divides that space.
| Country | IPv4 share | IPv6 share | |
|---|---|---|---|
| Czechia | 99% | 100% | |
| United States | 0.2% | - |
Organisations holding assignments here
Registered organisations account for 99% of this network's IPv4 space and 100% of its IPv6 space. The table below divides that space. Registered holders come from the bulk whois that RIPE, APNIC and AFRINIC publish. ARIN and LACNIC do not publish theirs, so space held in North and South America is largely unattributed here.
| Organisation | IPv4 share | IPv6 share | |
|---|---|---|---|
| CETIN a.s. | 93% | 89% | |
| Jan Ryznar | 3% | - | |
| Turbonet s.r.o. | 0.9% | - | |
| Czech Republic, Ministerstvo Obrany | 0.7% | - | |
| Martin Pouzar - MILNET | 0.6% | - | |
| Marek Bezucha | 0.3% | - | |
| Netstone s.r.o. | 0.2% | 10% | |
| Pernstejn.net, z.s. | 0.2% | 0.7% | |
| Everything else (5 more) | 0.8% | - |
Anonymizer signals
None of this space carries an anonymiser or hosting flag.
Other networks from this operator
| ASN | Name | Estimated users |
|---|---|---|
| AS197197 | CETIN a.s. | 2,969 |
See the combined view for CETIN a.s., where all 2 of their networks are totalled together.
Every figure on this page is also JSON: /api/v2/directory/asn/28725. Breakdowns paginate from there, so a table showing the largest rows here returns all of them. Read the API.