The Duplicate IP Scanner Tool scans your subnet (or a
range within your subnet) with ARP looking for duplicate IPv4 addresses
in use by two or more devices. Any duplicates found are shown
with their IPv4 address, MAC address, network interface
manufacturer name and hostname.
Important: to find duplicates on another
subnet, you must connect your computer to
This tool is fully functional in the demo version. Do not purchase NetScanTools Pro thinking the full version will do more. The scanning is limited to your current subnet. You have to change your IP and subnet to scan other subnets.
Related Tool Links