LAN scanning utility that scans a given address range for UPnP capable devices. This is done by sending M-SEARCH discovery packets to either the UPnP multicast address or to the specified ip range.
You can download it from the following link: https://packetstormsecurity.com/files/download/38524/upnpscan-v0.4-src.tgz
Source: https://packetstormsecurity.com/files/38524/upnpscan-v0.4-src.tgz.html