192.168.0.26 255.255.255.240
IP: 1100.0000 / 1010.1000 / 0000.0000 / 0001 1010
Mask: 1111.1111 / 1111.1111 / 1111.1111 / 1111 0000
And operation
The subnet is one, the host address is 8
The host address of the subnet has 192.168.0.2 ..... 15
The host address of the subnet is 192.168.0.17 .... 31