Is 34.21.16.255 malicious?
IP reputation report for 34.21.16.255: blocklist detections, geolocation, ASN, WHOIS and security posture, aggregated from 100+ threat intelligence sources.
34.21.16.255 is listed on 18 threat intelligence sources
Detected by 18 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 detections18 sources
Categoriesphishing, malware, suspicious, malicious, botnet, abuse, attack, c2
Confidence score100/100
Aggregated confidence across the sources reporting this indicator.
Last updated2026-07-08
Detections
- Romain Marcoux - Malicious IPsphishing
- Bitwire - Inbound Blocklistmalware
- Greensnow - Attacks Multi-protocolsphishing
- ThreatHive - Hive Blocklist
- T145 - Black Mirror IPv4 Blocklistmalware
- Romain Marcoux - Malicious Outgoing IPsphishing
- IPsum Level 1suspicious
- Threatview IP Blocklistmalicious
- Malware-Filter - Botnet Filter IPsbotnet
- Malware-Filter - Botnet Filterbotnet
- Bitwire - Outbound Blocklistmalware
- IPsum - Malicious IPsmalware
- FireHOL - Blocklist Net Uaabuse
- FireHOL - Firehol Level4attack
- FireHOL - Firehol Level2attack
- FireHOL - Greensnowattack
- HaGeZi TIF - Threat Intelligence Feed IPsmalware
- X4BNet - Datacenter IPv4 Rangesrisk