- An entity which provides access to the Internet. Customers usually pay a monthly fee for this service, although it usually available for free unless a high-speed connection is desired. Users get a software package to access and browse the World Wide Web, one or more email accounts, and Web pages to have a presence on the Internet. Other offerings may include Website building and hosting services. Users can connect via a dial-up service or an asymmetrical digital subscriber line, among others. Also called Internet service provider, service provider, or online service provider (1).