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Subnet 152.32.132.0/24

SUBNET Active high

Why this campaign was detected

3 IPs from the same /24 subnet (152.32.132.0/24) were observed attacking our sensors within the same time window. All belong to UCLOUD INFORMATION TECHNOLOGY HK LIMITED (AS135377). Concentrated activity from adjacent IPs is a strong indicator of a single operator or coordinated botnet.

Primary ASN

AS135377 · UCLOUD INFORMATION TECHNOLOGY HK LIMITED

Subnet

152.32.132.0/24

Country

🇭🇰 HK

Cloud Provider

—

Member Count

3 IPs

Below average

Total Events

648

Below average by volume

Started / Ended

2026-03-03 02:44 — ongoing

Attack Types

ftp:bruteforce http:scan ssh:bruteforce

MITRE ATT&CK Techniques

Reconnaissance

T1595 T1595.002

Initial Access

T1078 T1190

Credential Access

T1110 T1110.001

Discovery

T1046

Command and Control

T1105

Member Actors

IP Address	Behavior	Confidence	Events	Agents	Attack Types	Hostname	Last Seen
152.32.132.215	credential_harvester	66%	839	3	ssh:bruteforce	—	2026-05-22 14:41	evidence →
152.32.132.28	credential_harvester	53%	94	3	ssh:bruteforce	—	2026-06-09 00:29	evidence →
152.32.132.203	web_probe	34%	17	2	ftp:bruteforcehttp:scanssh:bruteforce	—	2026-05-29 17:07	evidence →

VPN Known VPN or proxy provider

DROP ASN on Spamhaus DROP list

Nx OSINT Corroborated by N external threat feeds