Report for IP: 36.112.213.21

Threat LevelCRITICAL72/1002 rule types across 2 attack categories
4 incidents on record · 2 rule types · active attack detected · last seen 2d ago
PTR N/A
Org / ASN Chinanet BJ
Country 🇨🇳 China
City Beijing, Beijing
Timezone Asia/Shanghai
Botnet InfrastructureChinaNet (AS4134, China Telecom)
ChinaNet (AS4134) is one of the highest-volume attack-originating ASNs globally, consistently ranking in SANS/DShield top-10 attacker lists. Activity ranges from compromised consumer endpoints to dedicated scan infrastructure. SSH brute-force from this network targets common username dictionaries at scale — automated, persistent credential-harvesting botnet behavior.

Attack Analysis

🇨🇳 China · Beijing · 4847 · Chinanet Beijing Province Network
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.
IDS: Database Port Scan
Suricata detected this IP scanning database ports (MySQL, PostgreSQL, Redis, MongoDB). This is reconnaissance to find exposed database services for direct exploitation or credential brute-force. Database ports should never be reachable from the internet.

Reports (4)

Date Severity Description
30 Jul 2026 - 07:52 high IDS: Database port scan — ET SCAN Suspicious inbound to MSSQL port 1433
30 Jul 2026 - 07:52 high IDS: Database port scan — ET SCAN Suspicious inbound to PostgreSQL port 5432
30 Jul 2026 - 07:51 high IDS: Database port scan — ET SCAN Suspicious inbound to mySQL port 3306
30 Jul 2026 - 07:51 high IDS: Suricata alert — Honeypot: probe to closed SSH port 22