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Subnet 129.121.142.0/24

SUBNET Active high

Why this campaign was detected

3 IPs from the same /24 subnet (129.121.142.0/24) were observed attacking our sensors within the same time window. All belong to Oracle Corporation (AS31898). Concentrated activity from adjacent IPs is a strong indicator of a single operator or coordinated botnet.

Primary ASN

AS31898 · Oracle Corporation

Subnet

129.121.142.0/24

Country

🇺🇸 US

Cloud Provider

—

Member Count

3 IPs

Below average

Total Events

1857

Below average by volume

Started / Ended

2026-10-07 21:13 — ongoing

Attack Types

ssh:bruteforce ssh:connection ssh:malware

MITRE ATT&CK Techniques

Reconnaissance

T1595 T1595.001 T1595.002

Initial Access

T1078

Credential Access

T1110 T1110.001

Discovery

T1046

Command and Control

T1105

Member Actors

IP Address	Behavior	Confidence	Flags	Events	Agents	Attack Types	Hostname	Last Seen
129.121.142.157	credential_harvester	77%	1x OSINT	570	3	ssh:bruteforcessh:connectionssh:malware	129-121-142-157.unifiedlayer.com	2026-10-21 00:36	evidence →
129.121.142.174	opportunistic_bruter	68%	1x OSINT	465	2	ssh:bruteforcessh:malware	129-121-142-174.unifiedlayer.com	2026-10-24 06:24	evidence →
129.121.142.210	credential_harvester	66%	1x OSINT	822	2	ssh:bruteforcessh:connectionssh:malware	129-121-142-210.unifiedlayer.com	2026-10-22 16:31	evidence →

VPN Known VPN or proxy provider

DROP ASN on Spamhaus DROP list

Nx OSINT Corroborated by N external threat feeds