Is 121.40.42.170 malicious?
IP reputation report for 121.40.42.170: blocklist detections, geolocation, ASN, WHOIS and security posture, aggregated from 100+ threat intelligence sources.
121.40.42.170 is listed on 21 threat intelligence sources
Detected by 21 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 detections21 sources
Categoriesphishing, bruteforce, malware, dns, suspicious, attack, botnet, c2
Confidence score100/100
Aggregated confidence across the sources reporting this indicator.
Last updated2026-07-14
Network & location
LocationHangzhou, Zhejiang, China
ISPHangzhou Alibaba Advertising Co., Ltd.
Security posture
Open ports13, 19, 23, 49, 70, 113, 446, 488, 502, 515, 548, 636
Detections
- Romain Marcoux - Malicious IPsphishing
- Telnet Bruteforce IPsbruteforce
- Bitwire - Inbound Blocklistmalware
- T145 - Black Mirror IPv4 Blocklistmalware
- Duggytuxy - Blacklist Ips For Fortinet Firewall Aa.txt
- Data-Shield IPv4 Blocklistmalware
- bitwire‑it IP blocklist – bad IPs updated every 2hmalware
- DNS CH TXT Version Binddns
- DNS Recursion Desireddns
- IPsum Level 1suspicious
- IPsum – malicious IP feedmalware
- IPsum - Malicious IPsmalware
- Greensnow - Attacks Multi-protocolsphishing
- ThreatHive - Hive Blocklist
- FireHOL - Firehol Level2attack
- FireHOL - Greensnowattack
- Malware-Filter - Botnet Filter IPsbotnet
- Bitwire - Outbound Blocklistmalware
- Malware-Filter - Botnet Filterbotnet
- HaGeZi TIF - Threat Intelligence Feed IPsmalware
- SIP Queryattack