The network infrastructure provided between the customer's server and the internet exchange.
The infrastructure over which mobile services can operate.
The union of all the major noncommercial, academic, and hacker-oriented networks, such as Internet, the old ARPANET, NSFnet, BITNET, and the virtual UUCP and USENET `networks', plus the corporate in-house networks and commercial time-sharing services (such as CompuServe) that gateway to them. A site is generally considered `on the network' if it can be reached through some combination of Internet-style (@-sign) and UUCP (bang-path) addresses.
A single Internet network (which may or may not be divided into subnets).
The total infrastructure for transmitting phone and/or Internet messages.