Network
Jiri Sperl
AS51424registered in Czechia (CZ)hosts in 1 country
As of 2026-10-30, Jiri Sperl (AS51424, registered in Czechia) had 381 hosts seen in 1 country; 14 of them with known CVEs (52 distinct, 1 known to be exploited). It announces 6 IPv4 prefixes and 0 IPv6 prefixes (1 792 IPv4 addresses, 24 812th by address space).
Known CVEs in this network
381hosts seen
14hosts with known CVEs
52distinct CVEs
1known exploited
CVEs by severity: CRITICAL 4 HIGH 18 MEDIUM 19 LOW 11
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: 1 host with CVEs only on distribution builds whose fix may be backported.
Counted 2026-10-30 04:20 UTC
Routing
Most common CVEs in this network
The 50 found on the most hosts, of 52 CVEs.
Most exposed hosts
| IP | Country | Exploited | CVEs |
|---|---|---|---|
| 212.96.184.3 | Czechia CZ | 1 | 47 CVEs |
| 212.96.184.10 | Czechia CZ | 0 | 30 CVEs |
| 212.96.184.184 | Czechia CZ | 0 | 26 CVEs |
| 212.4.132.138 | Czechia CZ | 0 | 3 CVEs |
| 212.4.132.210 | Czechia CZ | 0 | 3 CVEs |
| 212.4.132.228 | Czechia CZ | 0 | 3 CVEs |
| 212.4.132.36 | Czechia CZ | 0 | 3 CVEs |
| 212.4.132.70 | Czechia CZ | 0 | 3 CVEs |
| 212.96.184.234 | Czechia CZ | 0 | 3 CVEs |
| 212.96.184.83 | Czechia CZ | 0 | 3 CVEs |
| 213.211.36.182 | Czechia CZ | 0 | 3 CVEs |
| 212.4.132.38 | Czechia CZ | 0 | 1 CVE |
| 213.211.36.236 | Czechia CZ | 0 | 1 CVE |
| 212.4.132.142 | Czechia CZ | 0 | 1 CVE |
Known exploited first, then by the number of CVEs.
Where its hosts are
| Country | Hosts | With CVEs |
|---|---|---|
| Czechia CZ | 381 | 14 |