Is 121.133.110.250 malicious?
IP reputation report for 121.133.110.250: blocklist detections, geolocation, ASN, WHOIS and security posture, aggregated from 100+ threat intelligence sources.
121.133.110.250 is listed on 54 threat intelligence sources
Detected by 54 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 detections54 sources
Categoriesattack, malware, phishing, suspicious, bruteforce, malicious, attacks, abuse, botnet, c2
Confidence score100/100
Aggregated confidence across the sources reporting this indicator.
Last updated2026-07-23
Network & location
LocationGangdong-gu, Seoul, South Korea
ISPKorea Telecom
ASNAS4766 — Korea Telecom
Network121.128.0.0/13
CompanyKorea Telecom
InfrastructureProxy
Security posture
Open ports5555
Detections
- Duggytuxy - Blacklist Ips For Fortinet Firewall Aa.txt
- FireHOL - Blocklist Deattack
- FireHOL - Blocklist De Sshattack
- FireHOL - Firehol Level2attack
- FireHOL - Iblocklist Ciarmy Maliciousmalware
- Opendbl Net - Blocklistde All.listmalware
- Opendbl Net - Ipsum.listmalware
- Romain Marcoux - Malicious Outgoing IPsphishing
- Romain Marcoux - Malicious IPsphishing
- Blocklist - All SSH attacks (48h)attack
- Blocklist - All Attacks (48h)attack
- CINSSCORE Bad Guysmalware
- CyberCure Hash Feedmalware
- CyberCure Blocked URL Feedmalware
- CyberCure IP Feedmalware
- IPsum Level 2suspicious
- IPsum Level 4suspicious
- IPsum Level 3suspicious
- SSH Password Authbruteforce
- SSH Bruteforce IPsbruteforce
- Telnet Loginbruteforce
- Threatview IP Blocklistmalicious
- Ultimate Hosts Blacklist - Blocklist.demalware
- IPsum – malicious IP feedmalware
+30 more sources in the full report.