Is 39.144.129.21 malicious?

IP reputation report for 39.144.129.21: blocklist detections, geolocation, ASN, WHOIS and security posture, aggregated from 100+ threat intelligence sources.

39.144.129.21 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
Categoriesphishing, abuse, malware, suspicious, attack, malicious, botnet
Confidence score100/100

Aggregated confidence across the sources reporting this indicator.

First seen2026-05-12
Last updated2026-05-12

Detections

  • Romain Marcoux - Malicious IPsphishing
  • Borestad - AbuseIPDB Blocklist (1d)abuse
  • Bitwire - Inbound Blocklistmalware
  • IPsum Level 1suspicious
  • IPsum – malicious IP feedmalware
  • T145 - Black Mirror IPv4 Blocklistmalware
  • ThreatHive - Hive Blocklist
  • Opendbl Net - Blocklistde All.listmalware
  • Blocklist - All Attacks (48h)attack
  • Blocklist - All FTP attacks (48h)attack
  • Ultimate Hosts Blacklist - Blocklist.demalware
  • Romain Marcoux - Malicious Outgoing IPsphishing
  • Threatview IP Blocklistmalicious
  • Malware-Filter - Botnet Filter IPsbotnet
  • Bitwire - Outbound Blocklistmalware
  • Malware-Filter - Botnet Filterbotnet

Threat categories

Related malicious IPs on nearby networks