Is 42.100.21.136 malicious?

IP reputation report for 42.100.21.136: blocklist detections, geolocation, ASN, WHOIS and security posture, aggregated from 100+ threat intelligence sources.

42.100.21.136 is listed on 5 threat intelligence sources

Detected by 5 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 detections5 sources
Categoriesmalware, bruteforce, phishing
Confidence score100/100

Aggregated confidence across the sources reporting this indicator.

First seen2026-06-17
Last updated2026-06-17

Detections

  • T145 - Black Mirror IPv4 Blocklistmalware
  • Bitwire - Inbound Blocklistmalware
  • bitwire‑it IP blocklist – bad IPs updated every 2hmalware
  • Telnet Loginbruteforce
  • Romain Marcoux - Malicious IPsphishing

Threat categories

Related malicious IPs on nearby networks