(October 2015) Neutering, from the Latin neuter (of neither sex), is the removal of an animal's reproductive organ, either all of it or a considerably large part. Neutering is often used incorrectly to refer only to male animals, but the term actually applies to both sexes.
The CIDR address we specified indicates that the first 23 bits are used for the network block we are referencing. This is equivalent to a netmask of 255.255.254.0, or: 1111 1111 - 1111 1111 - 1111 1110 - 0000 0000
CIDR Notation. CIDR specifies an IP address range using a combination of an IP address and its associated network mask. where n is the number of (leftmost) '1' bits in the mask. applies the network mask 255.255.254.0 to the 192.168 network, starting at 192.168.12.0.