資料來源 : pyDict

子網;  (由一組有相類似ID 地址計算機所構成的網絡)

資料來源 : Free On-Line Dictionary of Computing

subnet
     
        A portion of a {network}, which may be a physically
        independent network segment, which shares a {network address}
        with other portions of the network and is distinguished by a
        subnet number.  A subnet is to a network what a network is to
        an {internet}.