`172.86.123.55`

172.86.123.55 is an IP address that 2 published sources report in connection with Contagious Interview activity, which public reporting attributes to North Korea (DPRK). It is cited here from Recorded Future and JPCERT/CC. The earliest of those reports is dated 2026-09-12 and the most recent 2026-11-09.

ip address Contagious Interview MATCHED IN SOURCE

First seen 2026-09-12 · last seen 2026-11-09

Network

Kind	data centre
Network	RouterHosting LLC (FranTech Solutions)
Announced by	AS14956 RouterHosting LLC
Country	United States
Flags	hosting range

Looked up 2026-09-21 at ip-api.com. A hosting range is not evidence on its own.

Sources

…214.237 165.140.85.105 165.140.86.154 165.140.86.160 165.140.86.181 165.140.86.227 172.86.73.198 172.86.109.49 172.86.113.115 172.86.116.90 172.86.123.55 176.222.52.77 216.126.229.166 GolangGhost C2…
PurpleBravo’s Targeting of the IT Software Supply Chain — Recorded Future · under “Appendix B: C2 Servers” · published 2026-01-21 · pulled 2026-09-12
….214.131 147.124.214.237 165.140.86.227 166.88.132.39 167.88.164.29 167.88.168.152 172.86.100.168 172.86.106.119 172.86.109.3 172.86.123.35 172.86.123.55 172.86.66.236 172.86.66.247 172.86.70.173 172.86.93.139 172.86.98.240 173.211.106.101 185.153.182.241 185.235.241.208 191.96.31.38 195.201.…
Contagious Interview IoCs — JPCERT/CC · published 2025-08-25 · pulled 2026-09-18

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Related indicators

Cited by the same report: PurpleBravo’s Targeting of the IT Software Supply Chain

Recorded Future lists 216 other indicators in this source. 7 are shown, chosen across types.

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Cited by the same report: Contagious Interview IoCs

JPCERT/CC lists 539 other indicators in this source. 5 are shown, chosen across types.

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