What is an ISP in simple terms?

ISP means Internet Service Provider—the company (or mobile carrier) that assigns your connection its public IP address and connects you to the wider internet.

Why might the ISP name on an IP checker differ from my bill?

Databases use registered network owner names, which can be a parent company, reseller, or hosting provider. Geolocation APIs on What Is My IP Address IP are approximate.

Blog · Basics

What does “ISP” mean on my IP lookup?

Answer: ISP stands for Internet Service Provider—the organization whose network your public IP belongs to. On What Is My IP Address IP, the location card shows an ISP or organization name from geolocation data.

Mobile vs home

On phone data the ISP field may show your carrier name. On Wi‑Fi it usually shows your home broadband provider.