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If you're looking for a free way to detect website IP addresses, Class C IP Checker is the tool for you. With a few clicks, you can see if any sites are using Class C IPs. The tool also has a captcha code so you can make sure you're not wasting time on something you shouldn't be. You'll also see whether or not your website has been blacklisted.
A Class C IP address is a unique network number that's allocated to one computer. A computer's IP is the network address that your computer uses to connect to the internet. Whether your computer uses a Class C address is essential for receiving and sending an email. These addresses are commonly used by email service providers. When you access the internet again, your new IP address will be assigned from a bundle of refined Class C IP addresses.