Is 37.19.221.21 malicious?
IP reputation report for 37.19.221.21: blocklist detections, geolocation, ASN, WHOIS and security posture, aggregated from 100+ threat intelligence sources.
37.19.221.21 is listed on 16 threat intelligence sources
Detected by 16 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 detections16 sources
Categoriesabuse, phishing, suspicious, malicious, malware, proxy
Confidence score100/100
Aggregated confidence across the sources reporting this indicator.
First seen2026-06-23
Last updated2026-06-23
Detections
- FireHOL - Cleantalk 30dabuse
- FireHOL - Cleantalk Updated 30dabuse
- FireHOL - Firehol Abusers 30dabuse
- Romain Marcoux - Malicious Outgoing IPsphishing
- Romain Marcoux - Malicious IPsphishing
- IPsum Level 1suspicious
- Threatview IP Blocklistmalicious
- IPsum – malicious IP feedmalware
- T145 - Black Mirror IPv4 Blocklistmalware
- Bitwire - Inbound Blocklistmalware
- Bitwire - Outbound Blocklistmalware
- bitwire‑it IP blocklist – bad IPs updated every 2hmalware
- FireHOL - Firehol Anonymousproxy
- FireHOL - Firehol Proxiesproxy
- X4BNet - VPN Provider IPv4 Rangesanonymizer
- X4BNet - Datacenter IPv4 Rangesrisk