Is 201.81.240.66 malicious?
IP reputation report for 201.81.240.66: blocklist detections, geolocation, ASN, WHOIS and security posture, aggregated from 100+ threat intelligence sources.
201.81.240.66 is listed on 42 threat intelligence sources
Detected by 42 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 detections42 sources
Categoriesattack, malware, phishing, suspicious, bruteforce, malicious, attacks, abuse, botnet
Confidence score100/100
Aggregated confidence across the sources reporting this indicator.
First seen2026-06-23
Last updated2026-06-23
Network & location
LocationSão Paulo, São Paulo, Brazil
ISPClaro NXT Telecomunicacoes Ltda
Detections
- Duggytuxy - Blacklist Ips For Fortinet Firewall Aa.txt
- FireHOL - Blocklist Deattack
- FireHOL - Blocklist De Bruteforceattack
- FireHOL - Blocklist De Apacheattack
- FireHOL - Firehol Level2attack
- FireHOL - Greensnowattack
- Opendbl Net - Blocklistde All.listmalware
- Opendbl Net - Ipsum.listmalware
- Romain Marcoux - Malicious Outgoing IPsphishing
- Romain Marcoux - Malicious IPsphishing
- Blocklist - All Attacks (48h)attack
- Blocklist - All Apache attacks (48h)attack
- CyberCure Blocked URL Feedmalware
- CyberCure Hash Feedmalware
- CyberCure IP Feedmalware
- IPsum Level 2suspicious
- IPsum Level 3suspicious
- SSH Password Authbruteforce
- Threatview IP Blocklistmalicious
- Ultimate Hosts Blacklist - Blocklist.demalware
- IPsum – malicious IP feedmalware
- FireHOL blocklist.de – fail2ban offendersattacks
- ThreatHive - Hive Blocklist
- Borestad - AbuseIPDB Blocklist (1d)abuse
+18 more sources in the full report.