Network
O2 Czech Republic, a.s.
AS31246registered in Czechia (CZ)hosts in 1 country
As of 2026-10-09, O2 Czech Republic, a.s. (AS31246, registered in Czechia) had 2 171 hosts seen in 1 country; 90 of them with known CVEs (594 distinct, 5 known to be exploited). It announces 5 IPv4 prefixes and 2 IPv6 prefixes (66 560 IPv4 addresses, 2 675th by address space).
Known CVEs in this network
CVEs by severity: CRITICAL 106 HIGH 224 MEDIUM 234 LOW 30
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: 21 hosts with CVEs only on distribution builds whose fix may be backported.
Counted 2026-10-09 08:20 UTC
- Organisation
- SMART Comp. a.s.
- Network type
- Access network (cable / DSL / ISP) · peering policy Open
- Website
- http://www.netbox.cz
- Registry
- RIPE NCC · Czechia CZ · allocated 2004-03-30
- Announced prefixes
- 5 IPv4 · 2 IPv6 See them
- IPv4 address space
- 66 560 addresses · 2 675th of 87 287 networks by size
- Rank by exposure
- 2 585th by hosts with known CVEs Ranking
Routing
Most common CVEs in this network
The 50 found on the most hosts, of 594 CVEs.
Most exposed hosts
Known exploited first, then by the number of CVEs.
Where its hosts are
| Country | Hosts | With CVEs |
|---|---|---|
| Czechia CZ | 2 171 | 90 |