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An '''internet service provider''' (ISP) is a company who provides customers with access to the [[internet|world wide web]]. There are many varities of internet service providers, some focusing on consumers, businesses (small, mid cap, large), government organizations, non-profit organizations, educational institutions, and/or other ISPs. ISPs may offer access via [[DSL]], [[cable modem]], [[dialup]], [[fiber optic network]], [[cellular]], [[satellite]], or [[power line communications]] among others. If an ISP is not themselves a tier 1 provider, then they must lease connections through another provider to connect to outside networks. Most of the tier 1 providers are telephone companies.
==See also==
*[[Computer]]
*[[IP address]]
*[[Network abuse]]