Is 121.40.46.166 malicious?
IP reputation report for 121.40.46.166: blocklist detections, geolocation, ASN, WHOIS and security posture, aggregated from 100+ threat intelligence sources.
121.40.46.166 is listed on 26 threat intelligence sources
Detected by 26 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 detections26 sources
Categoriesmalware, phishing, dns, suspicious, abuse, botnet, bruteforce, attack
Confidence score100/100
Aggregated confidence across the sources reporting this indicator.
First seen2026-05-19
Last updated2026-05-19
Network & location
LocationHangzhou, Zhejiang, China
ISPHangzhou Alibaba Advertising Co., Ltd.
ASNAS37963 — Hangzhou Alibaba Advertising Co.,Ltd.
Network121.40.0.0/15
CompanyAliyun Computing Co., LTD
InfrastructureDatacenter, Proxy
Security posture
Open ports11, 15, 17, 19, 21, 23, 25, 37, 49, 53, 70, 79
Detections
- Duggytuxy - Blacklist Ips For Fortinet Firewall Aa.txt
- FireHOL - Bds Atifmalware
- Romain Marcoux - Malicious Outgoing IPsphishing
- Romain Marcoux - Malicious IPsphishing
- DNS CH TXT Version Binddns
- DNS Recursion Desireddns
- IPsum Level 2suspicious
- IPsum – malicious IP feedmalware
- ThreatHive - Hive Blocklist
- Binary Defense - Banlist
- Borestad - AbuseIPDB Blocklist (1d)abuse
- Malware-Filter - Botnet Filter IPsbotnet
- Malware-Filter - Botnet Filterbotnet
- T145 - Black Mirror IPv4 Blocklistmalware
- Data-Shield IPv4 Blocklistmalware
- Bitwire - Inbound Blocklistmalware
- Bitwire - Outbound Blocklistmalware
- IPsum Level 1suspicious
- Opendbl Net - Ipsum.listmalware
- IPsum Level 3suspicious
- Greensnow - Attacks Multi-protocolsphishing
- Telnet Loginbruteforce
- Telnet Bruteforce IPsbruteforce
- SIP Queryattack
+2 more sources in the full report.