On our Windows PC, we had to click Options > Advanced Options in Wireless Network Watcher, check "Use the following network adapter," and choose our physical Wi-Fi adapter before performing a scan.

LanScan is a decent pick that should offer similar features to Wireless Network Watcher. You may also be able to use your router's settings page to find this information.

For Windows PCs, Wireless Network Watcher scans your network and shows you the IP address, MAC address, name, and manufacturer of the computers, tablets, and smartphones it detects on your network.

Using Wireless Network Watcher For Windows users, Wireless Network Watcher is a free and user-friendly tool to scan and identify devices on your network. Download and Install: ...