Is 121.131.220.143 malicious?
IP reputation report for 121.131.220.143: blocklist detections, geolocation, ASN, WHOIS and security posture, aggregated from 100+ threat intelligence sources.
121.131.220.143 is listed on 36 threat intelligence sources
Detected by 36 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 detections36 sources
Categoriesmalware, phishing, suspicious, attack, malicious, abuse, attacks, botnet, c2
Confidence score100/100
Aggregated confidence across the sources reporting this indicator.
Last updated2026-07-05
Network & location
LocationSeoul, Seoul, South Korea
ISPKorea Telecom
Security posture
Open ports2222
Detections
- Duggytuxy - Blacklist Ips For Fortinet Firewall Aa.txt
- Opendbl Net - Ipsum.listmalware
- Romain Marcoux - Malicious Outgoing IPsphishing
- Romain Marcoux - Malicious IPsphishing
- IPsum Level 2suspicious
- IPsum Level 3suspicious
- SMTP Greetattack
- Threatview IP Blocklistmalicious
- IPsum – malicious IP feedmalware
- ThreatHive - Hive Blocklist
- Borestad - AbuseIPDB Blocklist (1d)abuse
- T145 - Black Mirror IPv4 Blocklistmalware
- Data-Shield IPv4 Blocklistmalware
- IPsum Level 1suspicious
- FireHOL - Blocklist Deattack
- FireHOL - Blocklist De Imapattack
- FireHOL - Blocklist De Mailattack
- Opendbl Net - Blocklistde All.listmalware
- Blocklist - All Attacks (48h)attack
- Blocklist - All IMAP attacks (1h)attack
- Ultimate Hosts Blacklist - Blocklist.demalware
- FireHOL blocklist.de – fail2ban offendersattacks
- Blocklist - All Mail attacks (48h)attack
- IPsum Level 4suspicious
+12 more sources in the full report.