Is 103.166.103.166 malicious?

IP reputation report for 103.166.103.166: blocklist detections, geolocation, ASN, WHOIS and security posture, aggregated from 100+ threat intelligence sources.

103.166.103.166 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
Categoriesmalware, abuse, attack, phishing, c2
Confidence score100/100

Aggregated confidence across the sources reporting this indicator.

Last updated2026-07-12

Detections

  • bitwire‑it IP blocklist – bad IPs updated every 2hmalware
  • T145 - Black Mirror IPv4 Blocklistmalware
  • FireHOL - Blocklist Net Uaabuse
  • FireHOL - Firehol Level4attack
  • Duggytuxy - Blacklist Ips For Fortinet Firewall Aa.txt
  • Romain Marcoux - Malicious IPsphishing
  • Data-Shield IPv4 Blocklistmalware
  • Bitwire - Inbound Blocklistmalware
  • SSH Bruteforce IPsbruteforce

Threat categories

Related malicious IPs on nearby networks