Assertion: address | /r/HasProperty | reserved in common usage
Facets:
value: for referring to the network
type: PURPOSE
Source sentences:
text: In common usage, the first address in a subnet, all binary zero in the host identifier, is reserved for referring to the network itself, while the last address, all binary one in the host identifier, is used as a broadcast address for the network; this reduces the number of addresses available for hosts by 2.