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Subnet 49.51.73.0/24

SUBNET Active high
Why this campaign was detected
5 IPs from the same /24 subnet (49.51.73.0/24) were observed attacking our sensors within the same time window. All belong to Tencent Building, Kejizhongyi Avenue (AS132203). Concentrated activity from adjacent IPs is a strong indicator of a single operator or coordinated botnet.
Primary ASN
AS132203 · Tencent Building, Kejizhongyi Avenue
Subnet
49.51.73.0/24
Country
πŸ‡ΊπŸ‡Έ US
Cloud Provider
Member Count
5 IPs
Below average
Total Events
620
Below average by volume
Started / Ended
2026-03-06 18:38 — ongoing
Attack Types
http:scan ssh:bruteforce
MITRE ATT&CK Techniques
Reconnaissance
Initial Access
Credential Access
Command and Control
Member Actors
IP Address Behavior Confidence Flags Events Agents Attack Types Hostname Last Seen
49.51.73.28 credential_harvester 58% 1x OSINT 303 1 ssh:bruteforce β€” 2026-05-19 17:58 evidence →
49.51.73.38 opportunistic_bruter 53% 1x OSINT 23 1 ssh:bruteforce β€” 2026-05-19 14:29 evidence →
49.51.73.186 credential_harvester 53% 1x OSINT 262 1 ssh:bruteforce β€” 2026-05-18 01:11 evidence →
49.51.73.85 malware_dropper 50% 1x OSINT 23 1 ssh:bruteforce β€” 2026-05-18 16:30 evidence →
49.51.73.183 web_probe 46% 9 3 http:scan β€” 2026-05-17 10:52 evidence →
VPN Known VPN or proxy provider
DROP ASN on Spamhaus DROP list
Nx OSINT Corroborated by N external threat feeds