How to find internet provider details.

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C#

.NET

Internet

Hi ALL,

I want to know internet providers details of a computer.
For example,my laptop connected to internet(BSNL Broadband) via LAN cable and some times i connected through TATA photan Modem and some times i connected through wireless networks(WI-FI,Through Mobiles).So,from the above data want to know about network provider details(like name:BSNL/TATA/WI-FI provider name,Network Type,Speed,IP address) using C sharp code.

pls help me out
Thanks....