`80.237.87.21`

80.237.87.21 is an IP address that one published source reports in connection with IT Worker Fraud activity, which public reporting attributes to North Korea (DPRK). It is cited here from ReliaQuest. The report is dated 2025-05-08.

ip address IT Worker Fraud MATCHED IN SOURCE

First seen 2025-05-08 · last seen 2025-05-08

Network

Kind	fixed line
Network	TRANS-TELECOM
Announced by	AS20485 Joint Stock Company TransTeleCom
Country	Russia

Looked up 2026-09-21 at ip-api.com. A subscriber line, as a person working from home ordinarily has.

Source

…solidifying the connection. TTK IP addresses associated with this campaign; many are geo-located in Khabarovsk, Russia: 80.237.84.12 80.237.87.21 83.234.227.33-8 188.43.33.252 188.43.136.41,115 188.43.253.77 China Unicom ISP China remains North Korea’s most critical ally,…
Threat Spotlight: Red Flags for Red Star Hackers: Hunting for North Korean Insiders - ReliaQuest — ReliaQuest · under “Russian TTK ISP” · published 2025-05-08 · pulled 2026-09-01

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Cited by the same report: Threat Spotlight: Red Flags for Red Star Hackers: Hunting for North Korean Insiders - ReliaQuest

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