What is isp

Last updated: April 1, 2026

Quick Answer: An ISP (Internet Service Provider) is a company that provides internet access and related services to individuals and organizations. ISPs connect users to the internet through various technologies like broadband, fiber optics, cable, or wireless networks.

Key Facts

ISPs are essential infrastructure providers that control the backbone of internet connectivity
Major ISP services include broadband access, email, web hosting, and technical support
ISPs use different technologies: DSL, cable, fiber optics, satellite, and fixed wireless
ISP speeds are measured in megabits per second (Mbps), with modern broadband starting at 25 Mbps
Most ISPs offer tiered pricing plans based on download speeds and data limits

Overview

An Internet Service Provider (ISP) is a business that sells internet access to residential, commercial, and institutional customers. ISPs act as intermediaries between users and the broader internet infrastructure, providing the physical connection needed to access online content, services, and communication platforms.

Types of ISP Technologies

Broadband DSL: Uses existing telephone lines to deliver internet speeds up to 25 Mbps
Cable Internet: Delivered through cable television networks, typically offering speeds of 25-500 Mbps
Fiber Optic: Uses fiber cables for high-speed connections, often exceeding 1 Gbps
Satellite Internet: Suitable for rural areas but may have higher latency
Fixed Wireless: Uses cellular technology to provide broadband without physical cables

ISP Services Beyond Internet Access

Modern ISPs offer bundled services including email accounts, web hosting, virtual private networks (VPNs), and technical support. Many providers also offer television and telephone services as part of comprehensive packages, creating competition in the telecommunications industry.

ISP Speed and Data Plans

ISPs offer various speed tiers measured in megabits per second (Mbps). Typical plans range from 10-25 Mbps for basic browsing to 100+ Mbps for streaming and gaming. Many ISPs have implemented data caps limiting monthly usage, though unlimited plans are increasingly available in competitive markets.

Choosing an ISP

When selecting an ISP, consider available technology in your area, required speeds for your usage, reliability ratings, customer service quality, and price. Competition varies by location, with some areas having multiple providers while others have limited choices due to geographical or infrastructure constraints.

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Sources

Wikipedia - Internet Service Provider CC-BY-SA-4.0
FCC - Broadband Internet Speed Guide Public Domain