Is 121.40.42.45 malicious?
IP reputation report for 121.40.42.45: blocklist detections, geolocation, ASN, WHOIS and security posture, aggregated from 100+ threat intelligence sources.
121.40.42.45 is listed on 29 threat intelligence sources
Detected by 29 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 detections29 sources
Categoriesmalware, attack, phishing, suspicious, bruteforce, abuse, botnet, dns, c2
Confidence score100/100
Aggregated confidence across the sources reporting this indicator.
Last updated2026-07-16
Network & location
LocationHangzhou, Zhejiang, China
ISPHangzhou Alibaba Advertising Co., Ltd.
Security posture
Open ports11, 13, 15, 21, 25, 53, 91, 110, 113, 143, 179, 195
Detections
- Duggytuxy - Blacklist Ips For Fortinet Firewall Aa.txt
- FireHOL - Bds Atifmalware
- FireHOL - Firehol Level2attack
- FireHOL - Greensnowattack
- Opendbl Net - Ipsum.listmalware
- Romain Marcoux - Malicious Outgoing IPsphishing
- Romain Marcoux - Malicious IPsphishing
- Greensnow - Attacks Multi-protocolsphishing
- IPsum Level 2suspicious
- IPsum Level 3suspicious
- Telnet Loginbruteforce
- 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
- DNS CH TXT Version Binddns
- DNS Recursion Desireddns
+5 more sources in the full report.