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What is an ISP? The companies that provide you with access to the internet, explained

internet router being hooked up to desktop computer
ISPs can connect all of your devices to the internet. RoyalFive/Getty Images
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If you're reading this article, you can thank an internet service provider.

What is an ISP?

Internet service providers, or ISPs, are companies or organizations that provide you with access to the internet.

ISPs can also offer other options, like web hosting and email services, and they can range in form from giant telecommunication companies to small nonprofits.

When you connect to your ISP, you join its network to access the internet — whether that's through a browser, a streaming platform, or an app on your phone. ISPs are also interconnected, and you can connect to many networks as you access different sites.

Some of the most prominent ISPs include:

  • Comcast
  • AT&T
  • Verizon
  • Spectrum

ISPs can provide Wi-Fi and Ethernet

Wi-Fi is a wireless internet connection that can be accessed through a router, while Ethernet requires a physical wire (known as an Ethernet cable) that connects your modem to your computer, TV, or video game console.

You can have an ISP that works with both. To be able to do that, you simply need a router that also has an Ethernet port. ISPs that allow for both Wi-Fi and Ethernet connections accomplish this through what's called a "mixed network."

ethernet cable connected to laptop internet
You can hook up an Ethernet cable to your devices instead of using Wi-Fi.  Chalongrat Chuvaree / EyeEm/Getty Images

Using an Ethernet cable instead of Wi-Fi can also help speed up your internet access

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Devon Delfino is a Brooklyn-based freelance journalist specializing in personal finance, culture, politics, and identity. Her work has been featured in publications such as The Los Angeles Times, Teen Vogue, Business Insider, and CNBC. Follow her on Twitter at @devondelfino.