`221.149.223.209`

221.149.223.209 is an IP address that one published source reports in connection with unclustered DPRK activity, which public reporting attributes to North Korea (DPRK). It is cited here from Trend Micro. The report is dated 2017-08-09.

ip address DPRK (cluster unattributed) MATCHED IN SOURCE

First seen 2017-08-09 · last seen 2017-08-09

Network

Kind	fixed line
Network	Korea Telecom (Kornet)
Announced by	AS4766 Korea Telecom
Country	South Korea

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

Source

…We looked up historical domain resolutions of these eight IP addresses and found these: IP Domain Active 221.149.223.209 korea.kr.ncsc.go.kr June 2011—August 2011 112.169.154.65 cyber.ncsc.go.kr June 2011—August 2011 221.149.32.213…
OnionDog is not a Targeted Attack—It’s a Cyber Drill — Trend Micro · under “OnionDog is a Cyber Drill” · published 2017-08-09 · pulled 2026-09-12

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Cited by the same report: OnionDog is not a Targeted Attack—It’s a Cyber Drill

Trend Micro lists 8 other indicators in this source.