Scan a CIDR range for hosts with a specific port open
fetch-based probing, not raw TCP sockets.
A fast network error or CORS response means the port responded at TCP level.
Hosts that silently drop packets (firewalled) may appear closed even if the port is open.
Open this page via file:// or http:// — not https:// — for best results.
| # | IP Address | Port | Status |
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