Slide the netmask to the right and watch stuff change!

105.112.26.217
01101001.01110000.00011010.11011001
0.0.0.0
00000000.00000000.00000000.00000000
network address:0.0.0.0/0
# of addresses:4,294,967,296
# of hosts:4,294,967,294