How to get ip addresses of connected devices to router in Android?

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http://stackoverflow.com – I want to get list of ips which assigned by router to different devices. I tried a lot but didnt get success in it. I know how to get ip address of android device, but want list of all ips which assigned to different devices or machines. Please help me to get list of ips from router. Waiting for Developers valuable response. (HowTos)