OSN

Network

CZ.NIC, z.s.p.o.

AS25192registered in Czechia (CZ)hosts in 1 country

As of 2026-10-11, CZ.NIC, z.s.p.o. (AS25192, registered in Czechia) had 284 hosts seen in 1 country; 21 of them with known CVEs (47 distinct, 0 known to be exploited). It announces 8 IPv4 prefixes and 7 IPv6 prefixes (6 400 IPv4 addresses, 12 017th by address space).

Known CVEs in this network

284hosts seen
21hosts with known CVEs
47distinct CVEs
0known exploited

CVEs by severity: CRITICAL 2 HIGH 7 MEDIUM 22 LOW 16

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: 2 hosts with CVEs only on distribution builds whose fix may be backported.

Counted 2026-10-11 04:20 UTC

Organisation
CZ.NIC, z.s.p.o.
Network type
Network service provider (transit) · peering policy Open
Website
https://www.nic.cz/
Registry
RIPE NCC · Czechia CZ · allocated 2002-08-28
Announced prefixes
8 IPv4 · 7 IPv6 See them
IPv4 address space
6 400 addresses · 12 017th of 87 338 networks by size
Rank by exposure
5 954th by hosts with known CVEs Ranking
Exchange points
13

Routing

Most common CVEs in this network

CVEHosts
CVE-2026-60002 HIGH 7.7 21
CVE-2026-60000 HIGH 7.5 21
CVE-2026-106585 MEDIUM 6.5 21
CVE-2026-59998 MEDIUM 6.5 21
CVE-2026-60001 MEDIUM 6.5 21
CVE-2026-59999 MEDIUM 5.9 21
CVE-2026-59995 MEDIUM 5.4 21
CVE-2026-59996 MEDIUM 5.4 21
CVE-2026-59997 MEDIUM 5.4 21
CVE-2026-73282 MEDIUM 4.8 21
CVE-2026-106552 MEDIUM 4.2 21
CVE-2026-106582 LOW 3.7 21
CVE-2026-73281 LOW 3.5 21
CVE-2026-106587 LOW 3.3 21
CVE-2026-106583 LOW 2.5 21
CVE-2026-106584 LOW 2.5 21
CVE-2026-106586 LOW 2.5 21
CVE-2026-73283 LOW 2.5 21
CVE-2026-106553 LOW 2.2 21
CVE-2026-106555 LOW 2.2 21
CVE-2026-106588 LOW 3.1 16
CVE-2026-106589 LOW 2.9 16
CVE-2026-35385 HIGH 8.1 15
CVE-2026-35414 HIGH 8.1 15
CVE-2026-35387 MEDIUM 6.5 15
CVE-2025-61984 LOW 3.6 15
CVE-2025-61985 LOW 3.6 15
CVE-2026-35388 LOW 2.5 15
CVE-2023-38408 CRITICAL 9.8 9
CVE-2023-51385 MEDIUM 6.5 9
CVE-2023-48795 MEDIUM 5.9 9
CVE-2020-15778 HIGH 7.4 6
CVE-2019-6109 MEDIUM 6.8 6
CVE-2019-6110 MEDIUM 6.8 6
CVE-2019-6111 MEDIUM 5.9 6
CVE-2020-14145 MEDIUM 5.9 6
CVE-2016-20012 MEDIUM 5.3 6
CVE-2018-15473 MEDIUM 5.3 6
CVE-2018-15919 MEDIUM 5.3 6
CVE-2018-20685 MEDIUM 5.3 6
CVE-2021-36368 LOW 3.7 6
CVE-2025-26465 MEDIUM 6.8 5
CVE-2025-32728 LOW 3.8 5
CVE-2026-35386 HIGH 8.1 4
CVE-2023-28531 CRITICAL 9.8 3
CVE-2024-6387 HIGH 8.1 3
CVE-2023-51384 MEDIUM 5.5 3

Most exposed hosts

IPExploitedCVEs
217.31.201.3 0 41 CVEs
217.31.201.4 0 41 CVEs
217.31.201.5 0 41 CVEs
217.31.201.6 0 41 CVEs
217.31.201.7 0 41 CVEs
217.31.201.8 0 41 CVEs
217.31.207.200 0 36 CVEs
217.31.207.201 0 36 CVEs
217.31.207.202 0 36 CVEs
217.31.207.69 0 30 CVEs
217.31.207.83 0 30 CVEs
217.31.207.205 0 29 CVEs
217.31.207.206 0 29 CVEs
217.31.207.207 0 29 CVEs
217.31.207.208 0 29 CVEs
217.31.201.18 0 22 CVEs
217.31.192.87 0 20 CVEs
217.31.192.90 0 20 CVEs
217.31.207.82 0 20 CVEs
217.31.207.93 0 20 CVEs
217.31.207.94 0 20 CVEs

Known exploited first, then by the number of CVEs.

Where its hosts are

CountryHostsWith CVEs
Czechia CZ 284 21
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