Is 221.0.12.81 malicious?
IP reputation report for 221.0.12.81: blocklist detections, geolocation, ASN, WHOIS and security posture, aggregated from 100+ threat intelligence sources.
221.0.12.81 is listed on 21 threat intelligence sources
Detected by 21 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 detections21 sources
Categoriesdns, malware, c2, suspicious, phishing, attack, malicious, botnet
Confidence score100/100
Aggregated confidence across the sources reporting this indicator.
First seen2026-07-05
Last updated2026-07-09
Detections
- DNS CH TXT Version Binddns
- DNS Recursion Desireddns
- bitwire‑it IP blocklist – bad IPs updated every 2hmalware
- Bitwire - Inbound Blocklistmalware
- IPsum Level 1suspicious
- IPsum - Malicious IPsmalware
- T145 - Black Mirror IPv4 Blocklistmalware
- Romain Marcoux - Malicious IPsphishing
- CINSSCORE Bad Guysmalware
- ThreatHive - Hive Blocklist
- FireHOL - Ciarmymalware
- FireHOL - Firehol Level3attack
- Romain Marcoux - Malicious Outgoing IPsphishing
- IPsum Level 2suspicious
- Threatview IP Blocklistmalicious
- Malware-Filter - Botnet Filter IPsbotnet
- Malware-Filter - Botnet Filterbotnet
- Bitwire - Outbound Blocklistmalware
- FireHOL - Iblocklist Ciarmy Maliciousmalware
- HaGeZi TIF - Threat Intelligence Feed IPsmalware
- Telnet Bruteforce IPsbruteforce