Is 121.199.161.156 malicious?
IP reputation report for 121.199.161.156: blocklist detections, geolocation, ASN, WHOIS and security posture, aggregated from 100+ threat intelligence sources.
121.199.161.156 is listed on 27 threat intelligence sources
Detected by 27 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 detections27 sources
Categoriesphishing, dns, suspicious, attack, bruteforce, malware, abuse, malicious, botnet, c2
Confidence score100/100
Aggregated confidence across the sources reporting this indicator.
Last updated2026-07-07
Detections
- Romain Marcoux - Malicious IPsphishing
- DNS CH TXT Version Binddns
- DNS Recursion Desireddns
- IPsum Level 1suspicious
- SIP Queryattack
- Telnet Loginbruteforce
- IPsum – malicious IP feedmalware
- ThreatHive - Hive Blocklist
- T145 - Black Mirror IPv4 Blocklistmalware
- Bitwire - Inbound Blocklistmalware
- Greensnow - Attacks Multi-protocolsphishing
- FireHOL - Firehol Level2attack
- FireHOL - Greensnowattack
- IPsum Level 2suspicious
- Duggytuxy - Blacklist Ips For Fortinet Firewall Aa.txt
- Data-Shield IPv4 Blocklistmalware
- Borestad - AbuseIPDB Blocklist (1d)abuse
- Telnet Bruteforce IPsbruteforce
- Romain Marcoux - Malicious Outgoing IPsphishing
- Threatview IP Blocklistmalicious
- Malware-Filter - Botnet Filterbotnet
- bitwire‑it IP blocklist – bad IPs updated every 2hmalware
- Borestad - AbuseIPDB Blocklist (30d)abuse
- Malware-Filter - Botnet Filter IPsbotnet
+3 more sources in the full report.