Autonomous system
AS2852: CESNET z.s.p.o.
Czechia · education
Estimated users is a published estimate of how many people use this network, extrapolated from 11,367 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
- Of those, 16,033 are in Czechia, 0.2% of everyone online there.
- The same operator runs 1 other network, listed below.
- 303 distinct organisations hold registered assignments inside this space, so an address here often belongs to one of their customers.
Countries in this space
| Country | IPv4 share | IPv6 share | |
|---|---|---|---|
| Czechia | 100% | 100% |
Organisations holding assignments here
Registered organisations account for 75% of this network's IPv4 space and 100% of its IPv6 space.
| Organisation | IPv4 share | IPv6 share | |
|---|---|---|---|
| CESNET z.s.p.o. | 13% | 100% | |
| Ceske vysoke uceni technicke v Praze | 8% | <0.1% | |
| Vysoka skola banska - Technicka univerzita Ostrava | 8% | <0.1% | |
| Univerzita obrany | 8% | - | |
| University of South Bohemia in Ceske Budejovice | 8% | <0.1% | |
| Zapadoceska univerzita v Plzni | 8% | <0.1% | |
| Technicka univerzita v Liberci | 8% | <0.1% | |
| Vysoka skola chemicko-technologicka v Praze | 8% | <0.1% | |
| Charles University | 4% | <0.1% | |
| Not covered by any of these | 25% | - |
One address can carry more than one of these, so the rows add up to more than the space they cover.
Anonymizer signals
Flagged space covers <0.1% of this network's IPv4 space.
| Category | IPv4 share | |
|---|---|---|
| Datacenter | <0.1% | |
| Open proxy | <0.1% | |
| Not covered by any of these | 100% |
One address can carry more than one of these, so the rows add up to more than the space they cover.
Other networks from this operator
| ASN | Name | Estimated users |
|---|---|---|
| AS2605 | CESNET z.s.p.o. | - |
See the combined view for CESNET z.s.p.o., where all 2 of their networks are totalled together.