Is 158.173.3.121 malicious?
IP reputation report for 158.173.3.121: blocklist detections, geolocation, ASN, WHOIS and security posture, aggregated from 100+ threat intelligence sources.
158.173.3.121 is listed on 26 threat intelligence sources
Detected by 26 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 detections26 sources
Categoriesabuse, attack, phishing, malware, suspicious, malicious, botnet
Confidence score100/100
Aggregated confidence across the sources reporting this indicator.
First seen2026-06-14
Last updated2026-06-14
Detections
- FireHOL - Botscout 30dabuse
- FireHOL - Firehol Level4attack
- FireHOL - Stopforumspamabuse
- FireHOL - Stopforumspam 30dabuse
- FireHOL - Stopforumspam 180dabuse
- FireHOL - Stopforumspam 90dabuse
- FireHOL - Stopforumspam 365dabuse
- Romain Marcoux - Malicious IPsphishing
- T145 - Black Mirror IPv4 Blocklistmalware
- Bitwire - Inbound Blocklistmalware
- IPsum Level 1suspicious
- IPsum – malicious IP feedmalware
- Opendbl Net - Blocklistde All.listmalware
- Blocklist - All Attacks (48h)attack
- Blocklist - All Mail attacks (48h)attack
- Ultimate Hosts Blacklist - Blocklist.demalware
- ThreatHive - Hive Blocklist
- Romain Marcoux - Malicious Outgoing IPsphishing
- Threatview IP Blocklistmalicious
- Malware-Filter - Botnet Filter IPsbotnet
- Bitwire - Outbound Blocklistmalware
- Malware-Filter - Botnet Filterbotnet
- bitwire‑it IP blocklist – bad IPs updated every 2hmalware
- FireHOL - Firehol Abusers 30dabuse
+2 more sources in the full report.