`21.0.0.197`

21.0.0.197 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 CISA. The report is dated 2017-08-23.

ip address DPRK (cluster unattributed) MATCHED IN SOURCE

First seen 2017-08-23 · last seen 2017-08-23

Network

Kind	fixed line
Network	United States Department of Defense (DoD) (DoD Network Information Center)
Announced by	AS749 United States Department of Defense (DoD)
Country	United States

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

Source

…18.0.0.324 and 19.x Vulnerability CVE-2016-0034: Microsoft Silverlight 5.1.41212.0 Vulnerability CVE-2016-1019: Adobe Flash Player 21.0.0.197 Vulnerability CVE-2016-4117: Adobe Flash Player 21.0.0.226 Vulnerability DHS recommends that organizations upgrade these applications…
HIDDEN COBRA – North Korea’s DDoS Botnet Infrastructure — CISA · under “Overview” · published 2017-08-23 · pulled 2026-09-12

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