Is 121.139.39.185 malicious?
IP reputation report for 121.139.39.185: blocklist detections, geolocation, ASN, WHOIS and security posture, aggregated from 100+ threat intelligence sources.
121.139.39.185 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
Categoriesmalware, phishing, attack, suspicious, abuse, attacks, malicious, botnet, c2
Confidence score100/100
Aggregated confidence across the sources reporting this indicator.
Last updated2026-07-10
Network & location
LocationAnyang-si, Gyeonggi-do, South Korea
ISPKorea Telecom
ASNAS4766 — Korea Telecom
Network121.136.0.0/13
CompanyKorea Telecom
InfrastructureProxy
Detections
- Duggytuxy - Blacklist Ips For Fortinet Firewall Aa.txt
- Opendbl Net - Blocklistde All.listmalware
- Romain Marcoux - Malicious IPsphishing
- Blocklist - All SSH attacks (48h)attack
- Blocklist - All Attacks (48h)attack
- IPsum Level 1suspicious
- Ultimate Hosts Blacklist - Blocklist.demalware
- IPsum – malicious IP feedmalware
- ThreatHive - Hive Blocklist
- Borestad - AbuseIPDB Blocklist (1d)abuse
- T145 - Black Mirror IPv4 Blocklistmalware
- Data-Shield IPv4 Blocklistmalware
- Bitwire - Inbound Blocklistmalware
- FireHOL - Blocklist Deattack
- FireHOL - Blocklist De Ftpattack
- FireHOL - Firehol Level2attack
- Blocklist - All FTP attacks (48h)attack
- IPsum Level 2suspicious
- FireHOL blocklist.de – fail2ban offendersattacks
- Romain Marcoux - Malicious Outgoing IPsphishing
- Threatview IP Blocklistmalicious
- Malware-Filter - Botnet Filter IPsbotnet
- Bitwire - Outbound Blocklistmalware
- Malware-Filter - Botnet Filterbotnet
+8 more sources in the full report.