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221.156.21.112
Assessment
Port and service scanner
- Part of a 216-IP campaign probing the same targets.
Generated from the counts on this page by fixed rules; each line cites the number it rests on.
Location
🇰🇷 KR / Nam-gu
ASN
AS4766 · Korea Telecom
Cloud Provider
—
Total Events
4
Below average by volume
Agent Count
2
First / Last Seen
2026-10-19 14:23 — 2026-10-19 18:43
Attack Types
MITRE ATT&CK Techniques
External Corroboration
Not flagged by any external feeds
Campaigns
Multi-Agent Scan
SCAN
Active
medium
8 IPs
1822 events
2026-10-10 — ongoing · 8 IPs independently targeted the same honeypot sensors within a 24-hour window. Scanning the same targets in close …
Multi-Agent Scan
SCAN
Active
medium
140 IPs
364181 events
2026-09-26 — ongoing · 140 IPs independently targeted the same honeypot sensors within a 24-hour window. Scanning the same targets in close …
Multi-Agent Scan
SCAN
Active
medium
216 IPs
840982 events
2026-06-09 — ongoing · 216 IPs independently targeted the same honeypot sensors within a 24-hour window. Hosted on Cloudflare. Scanning the same …
Multi-Agent Scan
SCAN
Active
medium
151 IPs
460907 events
2026-05-22 — ongoing · 151 IPs independently targeted the same honeypot sensors within a 24-hour window. Scanning the same targets in close …
Multi-Agent Scan
SCAN
Active
medium
194 IPs
775041 events
2026-02-26 — ongoing · 194 IPs independently targeted the same honeypot sensors within a 24-hour window. Scanning the same targets in close …
AS4766 Korea Telecom
ASN
Active
medium
🇰🇷 KR
209 IPs
103089 events
ftp:bruteforcesmtp:relayssh:bruteforcessh:connectionssh:intrusionssh:malwaressh:proxy-abusetelnet:bruteforcetelnet:connectiontelnet:credential-reusetelnet:intrusiontelnet:malware
2026-02-18 — ongoing · 209 IPs from the same network (Korea Telecom, AS4766) were active during overlapping time periods. Temporal correlation across …
Session Forensics
Sessions
2
Avg Depth Score
0.15
Commands Executed
0
Files Downloaded
0
Evidence Timeline
Scanner
b9474947908c
15%
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Scanner
321b278bc139
15%
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