The address may denote a specific interface address (including a host identifier, such as ), or it may be the beginning address of an entire network (using a host identifier of 0, as in or its equivalent ). CIDR notation can even be used with no IP address at all, e.g. when referring to a as a generic description of an IPv4 network that has a 24-bit prefix and 8-bit host numbers.
The address may denote a specific interface address (including a host identifier, such as ), or it may be the beginning address of an entire network (using a host identifier of 0, as in or its equivalen?t ). CIDR notation can even be used with no IP address at all, e.g. when referring to a as a generic. description of an IPv4 network that has a 24-bit prefix and 8-bit host numbers.