Subnet Masks

subnetwork, or subnet, is a logically visible, distinctly addressed part of a single Internet Protocol network. The process of subnetting is the division of a computer network into groups of computers that have a common, designated IP address routing prefix.

/binaryhexdecimal
/110000000.00000000.00000000.000000000x80000000128.0.0.0
/211000000.00000000.00000000.000000000xc0000000192.0.0.0
/311100000.00000000.00000000.000000000xe0000000224.0.0.0
/411110000.00000000.00000000.000000000xf0000000240.0.0.0
/511111000.00000000.00000000.000000000xf8000000248.0.0.0
/611111100.00000000.00000000.000000000xfc000000252.0.0.0
/711111110.00000000.00000000.000000000xfe000000254.0.0.0
/811111111.00000000.00000000.000000000xff000000255.0.0.0
/911111111.10000000.00000000.000000000xff800000255.128.0.0
/1011111111.11000000.00000000.000000000xffc00000255.192.0.0
/1111111111.11100000.00000000.000000000xffe00000255.224.0.0
/1211111111.11110000.00000000.000000000xfff00000255.240.0.0
/1311111111.11111000.00000000.000000000xfff80000255.248.0.0
/1411111111.11111100.00000000.000000000xfffc0000255.252.0.0
/1511111111.11111110.00000000.000000000xfffe0000255.254.0.0
/1611111111.11111111.00000000.000000000xffff0000255.255.0.0
/1711111111.11111111.10000000.000000000xffff8000255.255.128.0