help with subnetting question

milbonn

Distinguished
Jan 2, 2014
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18,530
For the given network address and custom subnet mask shown below determine the subnet address for subnet 130, Your answer must be in dotted decimal format

Network address 180.20.0.0
Custom SM 255.255.255.128 (n=9)

 

milbonn

Distinguished
Jan 2, 2014
37
0
18,530


I was hoping something with working out.. not a calculator that solves it and doesn't provide details on how to do it.