Parsing subnet

[NiKiZe]

(2016-10-19 03:10)Yeswanth Wrote:  subnet mask iseq to the 192.168.169

That is not a valid netmask!
( For reference i found this simple list of valid netmasks: http://www.unixwiz.net/techtips/netmask-ref.html )

it could be a ip address, and in that case you would probably have a static address on the gateway that you can check for instead.

IMHO a good tool for understanding netmasks is ipcalc