Report for IP: 122.154.235.21

Threat LevelCRITICAL72/1002 rule types across 2 attack categories
2 incidents on record · 2 rule types · active attack detected · persistent 10-day campaign · last seen 12d ago
PTR N/A
Org / ASN National Telecom Public Company Limited
Country 🇹🇭 Thailand
City Bangkok, Bangkok
Timezone Asia/Bangkok

Attack Analysis

🇹🇭 Thailand · Sathon · 9931 · 492 Changmai-lumpang Road Muang Changmai 50000
SSH: Login Attempt — Non-Existent User
This IP attempted to authenticate via SSH using a username that does not exist on the system. This is characteristic of automated credential-stuffing attacks cycling through common username wordlists (admin, root, ubuntu, pi, etc.).
Suricata IDS Alert
Suricata intrusion detection flagged this IP for malicious network behaviour — including port scanning, exploit attempts, botnet activity, or known attack signatures. The specific signature is shown in the report list below.

Reports (2)

Date Severity Description
20 Jul 2026 - 03:38 medium IDS: Suricata alert — Honeypot: probe to closed SSH port 22
10 Jul 2026 - 11:00 high SSH: Login attempt using non-existent user