How to find upnp devices on the network?

Question

Java

You need to get a list of all UPnP devices on the network.

Answer 1

For example using Cling
There is even a sample application .

Answer 2

1) Read the upnp spec
2) Understand that hardware spam broadcasts via udp on port 1900
3) Listen to 1900 udp port
Or look for libraries that implement the above.