OSN

Network

C.C.S. (Leeds) Ltd

AS34555registered in United Kingdom (GB)hosts in 1 country

As of 2026-10-11, C.C.S. (Leeds) Ltd (AS34555, registered in United Kingdom) had 2 845 hosts seen in 1 country; 40 of them with known CVEs (451 distinct, 4 known to be exploited). It announces 17 IPv4 prefixes and 1 IPv6 prefix (21 504 IPv4 addresses, 5 943rd by address space).

Known CVEs in this network

2 845hosts seen
40hosts with known CVEs
451distinct CVEs
4known exploited

CVEs by severity: CRITICAL 87 HIGH 185 MEDIUM 157 LOW 22

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

Counted 2026-10-11 04:20 UTC

Organisation
C.C.S. (Leeds) Ltd
Network type
Access network (cable / DSL / ISP) · peering policy Open
Website
https://www.ccsleeds.co.uk
Registry
RIPE NCC · United Kingdom GB · allocated 2008-04-01
Announced prefixes
17 IPv4 · 1 IPv6 See them
IPv4 address space
21 504 addresses · 5 943rd of 87 451 networks by size
Rank by exposure
4 171st by hosts with known CVEs Ranking
Exchange points
2

Routing

Most common CVEs in this network

CVEHosts
CVE-2026-106585 MEDIUM 6.5 15
CVE-2026-106552 MEDIUM 4.2 15
CVE-2026-106582 LOW 3.7 15
CVE-2026-106587 LOW 3.3 15
CVE-2026-106583 LOW 2.5 15
CVE-2026-106584 LOW 2.5 15
CVE-2026-106586 LOW 2.5 15
CVE-2026-106553 LOW 2.2 15
CVE-2026-106555 LOW 2.2 15
CVE-2026-60002 HIGH 7.7 14
CVE-2026-60000 HIGH 7.5 14
CVE-2026-59998 MEDIUM 6.5 14
CVE-2026-60001 MEDIUM 6.5 14
CVE-2026-59999 MEDIUM 5.9 14
CVE-2026-59995 MEDIUM 5.4 14
CVE-2026-59996 MEDIUM 5.4 14
CVE-2026-59997 MEDIUM 5.4 14
CVE-2026-73282 MEDIUM 4.8 14
CVE-2026-73281 LOW 3.5 14
CVE-2026-73283 LOW 2.5 14
CVE-2022-4900 MEDIUM 5.5 13
CVE-2026-35385 HIGH 8.1 12
CVE-2026-35414 HIGH 8.1 12
CVE-2026-35387 MEDIUM 6.5 12
CVE-2025-61984 LOW 3.6 12
CVE-2025-61985 LOW 3.6 12
CVE-2026-106588 LOW 3.1 12
CVE-2026-106589 LOW 2.9 12
CVE-2026-35388 LOW 2.5 12
CVE-2017-8923 CRITICAL 9.8 11
CVE-2022-31629 MEDIUM 6.5 11
CVE-2022-31628 MEDIUM 5.5 11
CVE-2015-4601 CRITICAL 9.8 9
CVE-2016-7124 CRITICAL 9.8 9
CVE-2016-7126 CRITICAL 9.8 9
CVE-2016-7127 CRITICAL 9.8 9
CVE-2016-7129 CRITICAL 9.8 9
CVE-2016-7411 CRITICAL 9.8 9
CVE-2016-7413 CRITICAL 9.8 9
CVE-2016-7414 CRITICAL 9.8 9
CVE-2016-7417 CRITICAL 9.8 9
CVE-2016-9137 CRITICAL 9.8 9
CVE-2016-9138 CRITICAL 9.8 9
CVE-2016-9935 CRITICAL 9.8 9
CVE-2017-12933 CRITICAL 9.8 9
CVE-2017-9224 CRITICAL 9.8 9
CVE-2017-9225 CRITICAL 9.8 9
CVE-2017-9226 CRITICAL 9.8 9
CVE-2018-7584 CRITICAL 9.8 9
CVE-2019-9020 CRITICAL 9.8 9

The 50 found on the most hosts, of 451 CVEs.

Most exposed hosts

IPExploitedCVEs
188.92.232.106 2 289 CVEs
91.203.73.227 1 128 CVEs
91.203.75.134 1 68 CVEs
91.203.73.100 1 11 CVEs
91.203.73.98 1 11 CVEs
31.6.77.11 0 190 CVEs
31.6.77.76 0 190 CVEs
31.6.77.79 0 190 CVEs
31.6.77.80 0 190 CVEs
31.6.77.81 0 190 CVEs
31.6.77.82 0 190 CVEs
31.6.77.83 0 190 CVEs
91.203.73.118 0 77 CVEs
31.6.77.20 0 64 CVEs
31.6.77.39 0 64 CVEs
31.6.77.49 0 64 CVEs
31.6.77.84 0 64 CVEs
77.95.183.171 0 64 CVEs
91.203.74.110 0 40 CVEs
194.12.7.227 0 35 CVEs
178.248.39.185 0 33 CVEs
178.248.39.129 0 30 CVEs
77.95.179.77 0 30 CVEs
194.12.11.145 0 28 CVEs
188.92.232.58 0 26 CVEs
178.248.39.220 0 20 CVEs
91.203.73.164 0 19 CVEs
178.248.39.155 0 14 CVEs
77.95.179.141 0 11 CVEs
91.203.75.178 0 5 CVEs
178.248.39.136 0 3 CVEs
188.92.235.83 0 3 CVEs
194.12.7.226 0 2 CVEs
91.203.75.29 0 2 CVEs
91.203.75.180 0 1 CVE
91.203.75.30 0 1 CVE
178.248.39.169 0 1 CVE
178.248.39.230 0 1 CVE
194.12.11.147 0 1 CVE
91.203.75.238 0 1 CVE

Known exploited first, then by the number of CVEs.

Where its hosts are

CountryHostsWith CVEs
United Kingdom GB 2 845 40
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