Class C Ip Checker

Search Engine Optimization

Class C Ip Checker

Enter up to 40 Domains (Each Domain must be on separate line)

About Class C Ip Checker

Every device that connects to other devices to the internet is assigned a unique IP address. For systems to locate each other on distributed networks, like the internet, each node on the network is assigned a unique address.

This address is commonly known as ‘IP address’ or ‘IP.’ The IP address is a 32-bit binary address which consists of two sub-addresses that identify the network and the host of the network. The IP address consists of four sets of numbers ranging from 0 to 255 separated by a (.) in decimal form. For example, is a valid IP address.

IP Address Classes

There are five classes of IP addresses which are:

  • Class A

    The first bit of a class An address is always set to 0. It only leaves seven bits for the network portion of the address. Class A addresses range from – It means there can only be 128 network numbers.

  • Class B

    The first bit of a class B address is always set to 1 and the second bit is set to 0. It means 16,384 networks can be assigned class B addresses. The numbers range from –

  • Class C

    Class C addresses have their first two bits set to 1, and the third bit is set to 0. It means 2,097,152 networks can be assigned this class of address. The numbers range from –

  • Class D

    Class D addresses have their first three bits set to 1, and the fourth bit is set to 0. Class D addresses are used for multicasting applications. The numbers range from – and are reserved for multicast groups.

  • Class E

    Class E addresses are reserved for experimentation and testing and have never been utilized in any standard form.

Why use Class C Ip Checker - SEO Tool?

If you have just purchased a hosting service for your website, you will be inquisitive to know which other websites are sharing the same class C IP address. Because it’s most likely that your website has been assigned this class of IP address and that the address is shared with other websites.

You can use a bulk IP checker from Just go to from your search browser and scroll to the ‘Class C IP Checker’ icon and click on it. Or you can copy/paste in the address bar of your search browser.

In the display page, you must enter at least two and a maximum of twenty domain names. After entering the domain names click the ‘Check Now’ button. The utility will run the test and return the results.

In the results, it will display the hostnames that you had entered, and against each hostname, it will display their IP address, Class C, and the status.

The results will show you the hosts that are sharing the same class C IP address and if the status is ‘valid’ then everything is ok. This duplicate IP address checker is handy to know which other websites are sharing the same IP address.

You can use this nifty tool from anytime to run a class C IP address check anytime.

Besides this, you can run a bulk IP blacklist checker. You can run this check from some sites on the internet. This test will show if the websites are clean and the tools in use to protect them from viruses, spam, and malware.