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What is an Internet Service Provider (ISP)?

An internet service provider (ISP) provides users, and companies access to the internet and other related services like virtual hosting. It is also known as Internet Access Provider (IAP).

Online data may be transmitted using several technologies, including DSL, cable modem, wireless, dedicated high-speed interconnections, and dial-up.

how ISPs work image what is internet service provider what is isp

Today, generally, there are two types of ISP companies: high-speed internet offered by cable companies, also known as "broadband", and Digital Line Subscribers (DLS) provided by phone companies.

ISPs also provide communication access with one another by delivering internet email accounts with many email addresses at the customer’s discretion.

Among the most extensive national ISPs are AT&T WorldNet, IBM Global Network, MCI, Netcom, UUNet, and PSINet.

The first ISP was established in 1990 as The World, based in Brookline, to provide internet service to government research laboratories and universities.

Internet Service Provider (ISP) Related Terms