What is the submask of ip 155.61.9.188?
Well only way to find that out is at your computer, heres how.
Hold the windows key and R (or just open the run menu) and type
cmd. Now type in ipconfig /all exactly how i typed it, feel free to
copy n paste. Scroll around until you find something labeled subnet
mask. Follow the dots to the numbers, and those numbers are your
subnet mask.