Is 103.210.21.97 malicious?
IP reputation report for 103.210.21.97: blocklist detections, geolocation, ASN, WHOIS and security posture, aggregated from 100+ threat intelligence sources.
103.210.21.97 is listed on 32 threat intelligence sources
Detected by 32 threat intelligence sources in the isMalicious dataset — review before trusting this IP.
Threat verdict
VerdictListed on blocklists
Appears on threat intelligence blocklists — treat with caution.
Blocklist detections32 sources
Categoriesphishing, attack, bruteforce, malware, abuse, suspicious, botnet, malicious
Confidence score100/100
Aggregated confidence across the sources reporting this indicator.
First seen2026-05-23
Last updated2026-05-23
Network & location
LocationHong Kong, Kowloon, Hong Kong
ISPUCLOUD INFORMATION TECHNOLOGY (HK) LIMITED
ASNAS135377 — UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED
Network103.210.21.0/24
CompanyUcloud Hong Kong
InfrastructureDatacenter, Proxy
Security posture
Open ports22
Detections
- Duggytuxy - Blacklist Ips For Fortinet Firewall Aa.txt
- Romain Marcoux - Malicious IPsphishing
- Blocklist - All SSH attacks (48h)attack
- Blocklist - All Attacks (48h)attack
- SSH Password Authbruteforce
- Ultimate Hosts Blacklist - Blocklist.demalware
- ThreatHive - Hive Blocklist
- Borestad - AbuseIPDB Blocklist (1d)abuse
- Data-Shield IPv4 Blocklistmalware
- Bitwire - Inbound Blocklistmalware
- Opendbl Net - Blocklistde All.listmalware
- Opendbl Net - Ipsum.listmalware
- Greensnow - Attacks Multi-protocolsphishing
- IPsum Level 2suspicious
- IPsum Level 3suspicious
- IPsum – malicious IP feedmalware
- Malware-Filter - Botnet Filter IPsbotnet
- Malware-Filter - Botnet Filterbotnet
- T145 - Black Mirror IPv4 Blocklistmalware
- Bitwire - Outbound Blocklistmalware
- Blocklist - All Apache attacks (48h)attack
- IPsum Level 1suspicious
- IPsum Level 4suspicious
- Blocklist - All FTP attacks (48h)attack
+8 more sources in the full report.