Network
CEZNET s.r.o.
AS6740registered in Czechia (CZ)hosts in 1 country
As of 2026-10-21, CEZNET s.r.o. (AS6740, registered in Czechia) had 1 928 hosts seen in 1 country; 18 of them with known CVEs (235 distinct, 3 known to be exploited). It announces 4 IPv4 prefixes and 0 IPv6 prefixes (41 984 IPv4 addresses, 4 285th by address space).
Known CVEs in this network
CVEs by severity: CRITICAL 29 HIGH 100 MEDIUM 84 LOW 21 UNRATED 1
A match is an indication, not proof: it is based on the software version a service reported, and fixes are often backported without changing the version.
Not counted: 3 hosts with CVEs only on distribution builds whose fix may be backported.
Counted 2026-10-21 04:20 UTC
Routing
Most common CVEs in this network
The 50 found on the most hosts, of 235 CVEs.
Most exposed hosts
| IP | Country | Exploited | CVEs |
|---|---|---|---|
| 82.202.36.136 | Czechia CZ | 2 | 105 CVEs |
| 213.235.94.16 | Czechia CZ | 1 | 81 CVEs |
| 213.235.65.180 | Czechia CZ | 1 | 2 CVEs |
| 213.235.79.69 | Czechia CZ | 0 | 108 CVEs |
| 213.235.77.62 | Czechia CZ | 0 | 40 CVEs |
| 82.202.37.77 | Czechia CZ | 0 | 40 CVEs |
| 213.235.74.155 | Czechia CZ | 0 | 33 CVEs |
| 213.235.65.86 | Czechia CZ | 0 | 30 CVEs |
| 82.202.42.248 | Czechia CZ | 0 | 26 CVEs |
| 82.202.42.249 | Czechia CZ | 0 | 26 CVEs |
| 82.202.42.250 | Czechia CZ | 0 | 26 CVEs |
| 82.202.40.198 | Czechia CZ | 0 | 20 CVEs |
| 82.202.5.30 | Czechia CZ | 0 | 20 CVEs |
| 213.235.96.245 | Czechia CZ | 0 | 6 CVEs |
| 82.202.5.183 | Czechia CZ | 0 | 6 CVEs |
| 82.202.5.249 | Czechia CZ | 0 | 4 CVEs |
| 213.235.77.13 | Czechia CZ | 0 | 3 CVEs |
| 213.235.77.194 | Czechia CZ | 0 | 3 CVEs |
Known exploited first, then by the number of CVEs.
Where its hosts are
| Country | Hosts | With CVEs |
|---|---|---|
| Czechia CZ | 1 928 | 18 |