Is 42.5.3.51 malicious?

IP reputation report for 42.5.3.51: blocklist detections, geolocation, ASN, WHOIS and security posture, aggregated from 100+ threat intelligence sources.

42.5.3.51 is listed on 17 threat intelligence sources

Detected by 17 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 detections17 sources

Categoriesphishing, botnet, malware, abuse, suspicious

Confidence score100/100

Aggregated confidence across the sources reporting this indicator.

First seen2026-05-17

Last updated2026-05-17

Detections

Romain Marcoux - Malicious IPsphishing
Malware-Filter - Botnet Filterbotnet
Bitwire - Inbound Blocklistmalware
Bitwire - Outbound Blocklistmalware
Malware-Filter - Botnet Filter IPsbotnet
Duggytuxy - Blacklist Ips For Fortinet Firewall Aa.txt
Romain Marcoux - Malicious Outgoing IPsphishing
Data-Shield IPv4 Blocklistmalware
Borestad - AbuseIPDB Blocklist (1d)abuse
IPsum Level 1suspicious
IPsum – malicious IP feedmalware
ThreatHive - Hive Blocklist
T145 - Black Mirror IPv4 Blocklistmalware
CINSSCORE Bad Guysmalware
IPsum Level 2suspicious
Borestad - AbuseIPDB Blocklist (30d)abuse
Telnet Bruteforce IPsbruteforce

Threat categories

phishing botnet malware abuse suspicious

Related malicious IPs on nearby networks

42.5.3.20 42.5.3.34 42.5.220.146 42.5.25.109 42.5.56.100 42.5.104.122 42.5.128.173 42.5.130.164

Run a live scan of 42.5.3.51 Download IP blocklists →