Is 51.15.15.12 malicious?
IP reputation report for 51.15.15.12: blocklist detections, geolocation, ASN, WHOIS and security posture, aggregated from 100+ threat intelligence sources.
51.15.15.12 is listed on 30 threat intelligence sources
Detected by 30 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 detections30 sources
Categoriesproxy, malware, phishing, suspicious, anonymizer, bruteforce, abuse
Confidence score100/100
Aggregated confidence across the sources reporting this indicator.
First seen2026-05-22
Last updated2026-05-22
Network & location
LocationHaarlem, North Holland, Netherlands
ISPOnline SAS NL
Detections
- FireHOL - Dm Torproxy
- FireHOL - Et Torproxy
- FireHOL - Firehol Anonymousproxy
- FireHOL - Iblocklist Onion Routerproxy
- FireHOL - Tor Exitsproxy
- FireHOL - Tor Exits 30dproxy
- Opendbl Net - Tor Exit.listmalware
- Romain Marcoux - Malicious IPsphishing
- IPsum Level 1suspicious
- Tor ALL Nodesanonymizer
- Tor Exit Nodesanonymizer
- IPsum – malicious IP feedmalware
- ThreatHive - Hive Blocklist
- Bitwire - Inbound Blocklistmalware
- Bitwire - Outbound Blocklistmalware
- FireHOL - Tor Exits 1dproxy
- FireHOL - Tor Exits 7dproxy
- SSH Password Authbruteforce
- IPsum Level 2suspicious
- SSH Bruteforce IPsbruteforce
- Duggytuxy - Blacklist Ips For Fortinet Firewall Aa.txt
- Data-Shield IPv4 Blocklistmalware
- T145 - Black Mirror IPv4 Blocklistmalware
- bitwire‑it IP blocklist – bad IPs updated every 2hmalware
+6 more sources in the full report.