Is 66.175.44.21 malicious?
IP reputation report for 66.175.44.21: blocklist detections, geolocation, ASN, WHOIS and security posture, aggregated from 100+ threat intelligence sources.
66.175.44.21 is listed on 9 threat intelligence sources
Detected by 9 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 detections9 sources
Categoriesabuse, phishing, malware
Confidence score100/100
Aggregated confidence across the sources reporting this indicator.
First seen2026-03-27
Last updated2026-03-27
Detections
- FireHOL - Blocklist Net Uaabuse
- FireHOL - Stopforumspamabuse
- FireHOL - Stopforumspam 180dabuse
- FireHOL - Stopforumspam 90dabuse
- FireHOL - Stopforumspam 365dabuse
- Romain Marcoux - Malicious IPsphishing
- ThreatHive - Hive Blocklist
- Sefinek - Malicious IP Addressesmalware
- FireHOL - Firehol Level4attack