IP address 104.21.91.210 has been flagged in 6 abuse reports , resulting in a threat score of 81.4/100 (critical risk). The primary activity associated with this IP is malware c2.
and belongs to the network Cloudflare, Inc. (AS13335). Reports span from 2026-05-05 to 2026-05-05.
Assessment: Despite a lower report volume, the severity and nature of activity from 104.21.91.210 has triggered critical-level alerts across our threat detection network. The activity pattern and multi-source corroboration indicate this is a genuine threat that warrants immediate blocking at the firewall level.