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Last modified: Wednesday, October 24, 2001 

Short for Internet Service Provider, a company that provides access to the Internet. For a monthly fee, the service provider gives you a software package, username, password and access phone number. Equipped with a modem, you can then log on to the Internet and browse the World Wide Web and USENET, and send and receive e-mail.

In addition to serving individuals, ISPs also serve large companies, providing a direct connection from the company's networks to the Internet. ISPs themselves are connected to one another through Network Access Points (NAPs).

ISPs are also called IAPs (Internet Access Providers).

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For pages about ISP . Also check out the following links!

Related Links

Becoming an Internet Service Provider (ISP) 
This site is an excellent place to start for those interested in becoming an Internet Service Provider. There are numerous links to articles, FAQs, and books, as well as a business plan that you can use as a model.

Internet provider FAQ 
Provides information on how to become an internet service provider. Key topics covered are: equipment, billing, competition, legal issues, marketing information, technical problems, a glossary, and links to related resources.

ISP Resources 
The ISP resources channel from

The List - A database of Internet Service Providers 
The database at 'The List' site contains over 3,000 Internet Service Providers from around the world. The database is searchable by entering the ISP name or domain name, or you can choose from a variety of several categories to locate an ISP near you.

Brief guide to determining Internet Service Provider (ISP) needs
Provides answers to the five most popular questions asked when choosing an Internet Service Provider.

Choosing an Internet access service provider
Contains an extensive list of questions to ask potential Internet Service Providers.

How to evaluate an Internet Service Provider (ISP)
This page discusses the complexities of evaluating and choosing an Internet service provider. Several useful tips are given to help make your decision easier.

IC Network Systems
Home page for ICS Network Systems, an Internet services provider that runs North America's Big East NAP (Network Access Point).

Internet Service Provider search engine
Offers a searchable database of over 4,000 ISPs in the United States and Canada. Users can locate ISPs by area code or modem speed and then compare monthly usage costs.

ISP News
Collection of ISP news articles from the site.

ISP World
Internet World's ISP news and information page.

Prodigy Internet home page
Contains links to Prodigy's services, tools, features, and frequently asked questions.

Russ Haynal's ISP Page
Contains resources that "every ISP employee should know about the Internet." Includes links to backbone maps, global interconnection points, Internet architecture data, etc.

The Directory
Provides a directory of thousands of bulletin board systems (BBS) in over 100 countries, and over 5,800 Internet Service Providers.

Yahoo!'s America Online Internet Services Company page
Yahoo!'s directory of America Online Internet Services Company.

Yahoo!'s electronic mail provider free e-mail page
Yahoo!'s directory to links to internet electronic mail providers that offer free electronic mail access.

Yahoo!'s electronic mail service provider page
Yahoo!'s directory of electronic mail service providers.

Yahoo!'s Internet Access Provider page
Yahoo!'s directory of Internet Access Providers.

related categories

Internet Access

related terms



backbone provider



dial-up access







last mile






shared loop

T-1 carrier

T-3 carrier


virtual ISP

walled garden

Web host

World Wide Web


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