OSN

Network

kt HCN Co.,Ltd.

AS9762registered in South Korea (KR)hosts in 1 country

As of 2026-10-11, kt HCN Co.,Ltd. (AS9762, registered in South Korea) had 1 923 hosts seen in 1 country; 67 of them with known CVEs (441 distinct, 2 known to be exploited). It announces 111 IPv4 prefixes and 0 IPv6 prefixes (76 800 IPv4 addresses, 2 290th by address space).

Known CVEs in this network

1 923hosts seen
67hosts with known CVEs
441distinct CVEs
2known exploited

CVEs by severity: CRITICAL 70 HIGH 155 MEDIUM 194 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: 6 hosts with CVEs only on distribution builds whose fix may be backported.

Counted 2026-10-11 04:20 UTC

Organisation
kt HCN Co.,Ltd.
Registry
APNIC · South Korea KR · allocated 1999-12-10
Announced prefixes
111 IPv4 · 0 IPv6 See them
IPv4 address space
76 800 addresses · 2 290th of 87 311 networks by size
Rank by exposure
3 127th by hosts with known CVEs Ranking

Routing

Most common CVEs in this network

CVEHosts
CVE-2018-21027 CRITICAL 9.8 34
CVE-2018-21028 HIGH 7.5 34
CVE-2022-45956 MEDIUM 5.3 34
CVE-2009-4496 MEDIUM 5.0 24
CVE-2026-106585 MEDIUM 6.5 16
CVE-2026-106552 MEDIUM 4.2 16
CVE-2026-106582 LOW 3.7 16
CVE-2026-106587 LOW 3.3 16
CVE-2026-106588 LOW 3.1 16
CVE-2026-106589 LOW 2.9 16
CVE-2026-106583 LOW 2.5 16
CVE-2026-106584 LOW 2.5 16
CVE-2026-106586 LOW 2.5 16
CVE-2026-106553 LOW 2.2 16
CVE-2026-106555 LOW 2.2 16
CVE-2026-60002 HIGH 7.7 15
CVE-2026-60000 HIGH 7.5 15
CVE-2026-59998 MEDIUM 6.5 15
CVE-2026-60001 MEDIUM 6.5 15
CVE-2026-59999 MEDIUM 5.9 15
CVE-2026-59995 MEDIUM 5.4 15
CVE-2026-59996 MEDIUM 5.4 15
CVE-2026-59997 MEDIUM 5.4 15
CVE-2026-73282 MEDIUM 4.8 15
CVE-2026-73281 LOW 3.5 15
CVE-2026-73283 LOW 2.5 15
CVE-2026-35385 HIGH 8.1 11
CVE-2026-35414 HIGH 8.1 11
CVE-2026-35387 MEDIUM 6.5 11
CVE-2026-35388 LOW 2.5 11
CVE-2026-35386 HIGH 8.1 7
CVE-2022-22707 MEDIUM 5.9 7
CVE-2023-48795 MEDIUM 5.9 6
CVE-2025-61984 LOW 3.6 6
CVE-2025-61985 LOW 3.6 6
CVE-2025-26465 MEDIUM 6.8 4
CVE-2023-51385 MEDIUM 6.5 3
CVE-2025-32728 LOW 3.8 3
CVE-2012-1823 CRITICAL 9.8 known exploited 2
CVE-2012-2688 HIGH 10.0 2
CVE-2014-9912 CRITICAL 9.8 2
CVE-2015-4116 CRITICAL 9.8 2
CVE-2015-4599 CRITICAL 9.8 2
CVE-2015-4600 CRITICAL 9.8 2
CVE-2015-4601 CRITICAL 9.8 2
CVE-2015-4602 CRITICAL 9.8 2
CVE-2015-4603 CRITICAL 9.8 2
CVE-2015-4643 CRITICAL 9.8 2
CVE-2015-5589 CRITICAL 9.8 2
CVE-2015-6834 CRITICAL 9.8 2

The 50 found on the most hosts, of 441 CVEs.

Most exposed hosts

IPExploitedCVEs
49.142.97.11 1 242 CVEs
58.76.184.13 1 222 CVEs
120.50.65.89 1 2 CVEs
58.76.184.3 0 54 CVEs
114.199.154.176 0 51 CVEs
49.142.34.75 0 50 CVEs
49.142.52.133 0 35 CVEs
120.50.67.119 0 34 CVEs
110.35.182.107 0 30 CVEs
49.142.35.3 0 29 CVEs
110.35.177.146 0 29 CVEs
49.142.71.17 0 29 CVEs
110.35.182.9 0 27 CVEs
27.35.67.221 0 27 CVEs
27.35.67.72 0 27 CVEs
49.142.48.247 0 27 CVEs
27.35.64.74 0 22 CVEs
49.142.100.217 0 22 CVEs
49.142.45.37 0 22 CVEs
49.142.55.127 0 22 CVEs
49.142.109.128 0 15 CVEs
49.142.56.35 0 15 CVEs
110.35.175.208 0 11 CVEs
49.142.60.85 0 10 CVEs
1.222.152.74 0 4 CVEs
1.222.156.7 0 4 CVEs
110.35.182.112 0 4 CVEs
110.35.183.34 0 4 CVEs
120.50.65.92 0 4 CVEs
120.50.74.11 0 4 CVEs
120.50.74.165 0 4 CVEs
120.50.78.96 0 4 CVEs
120.50.95.203 0 4 CVEs
27.35.18.51 0 4 CVEs
27.35.41.7 0 4 CVEs
27.35.56.195 0 4 CVEs
27.35.64.186 0 4 CVEs
27.35.67.189 0 4 CVEs
27.35.67.222 0 4 CVEs
27.35.76.147 0 4 CVEs
49.142.103.109 0 4 CVEs
49.142.104.185 0 4 CVEs
49.142.107.244 0 4 CVEs
49.142.41.85 0 4 CVEs
49.142.44.59 0 4 CVEs
49.142.47.51 0 4 CVEs
49.142.53.4 0 4 CVEs
49.142.67.167 0 4 CVEs
49.142.71.101 0 4 CVEs
1.222.152.104 0 3 CVEs
1.222.152.14 0 3 CVEs
110.35.182.123 0 3 CVEs
27.35.45.89 0 3 CVEs
27.35.62.128 0 3 CVEs
49.142.48.6 0 3 CVEs
49.142.53.37 0 3 CVEs
49.142.59.100 0 3 CVEs
49.142.60.173 0 3 CVEs
49.142.60.56 0 3 CVEs
49.142.67.70 0 3 CVEs
110.35.188.3 0 2 CVEs
110.35.177.100 0 1 CVE
111.118.54.175 0 1 CVE
114.199.154.165 0 1 CVE
27.35.22.142 0 1 CVE
49.142.48.174 0 1 CVE
49.142.69.130 0 1 CVE

Known exploited first, then by the number of CVEs.

Where its hosts are

CountryHostsWith CVEs
South Korea KR 1 923 67
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