name number aliases ...where the fields are delimited by spaces or tabs. Empty lines are ignored. The hash character ( #) indicates the start of a comment: this character, and the remaining characters up to the end of the current line, are ignored by library functions that process the file. The field descriptions are:
- The symbolic name for the network. Network names can contain any printable characters except white-space characters or the comment character.
- The official number for this network in numbers-and-dots notation (see inet(3)). The trailing ".0" (for the host component of the network address) may be omitted.
- Optional aliases for the network.
- The networks definition file.