Is 143.0.21.101 malicious?
IP reputation report for 143.0.21.101: blocklist detections, geolocation, ASN, WHOIS and security posture, aggregated from 100+ threat intelligence sources.
143.0.21.101 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, malware, phishing, suspicious, attacks, malicious, botnet, c2
Confidence score100/100
Aggregated confidence across the sources reporting this indicator.
Last updated2026-07-05
Detections
- FireHOL - Blocklist Net Uaabuse
- FireHOL - Firehol Level4attack
- bitwire‑it IP blocklist – bad IPs updated every 2hmalware
- T145 - Black Mirror IPv4 Blocklistmalware
- Duggytuxy - Blacklist Ips For Fortinet Firewall Aa.txt
- Romain Marcoux - Malicious IPsphishing
- Data-Shield IPv4 Blocklistmalware
- Blocklist - All Attacks (48h)attack
- Blocklist - All Apache attacks (48h)attack
- Opendbl Net - Blocklistde All.listmalware
- IPsum Level 1suspicious
- IPsum – malicious IP feedmalware
- ThreatHive - Hive Blocklist
- AbuseIPDB - IP Blacklistabuse
- Borestad - AbuseIPDB Blocklist (30d)abuse
- FireHOL - Blocklist Deattack
- FireHOL - Blocklist De Bruteforceattack
- FireHOL - Firehol Level2attack
- FireHOL blocklist.de – fail2ban offendersattacks
- FireHOL - Blocklist De Apacheattack
- Romain Marcoux - Malicious Outgoing IPsphishing
- IPsum Level 2suspicious
- Threatview IP Blocklistmalicious
- Malware-Filter - Botnet Filterbotnet
+2 more sources in the full report.