Convert IP Address
Dotted Decimal (IPv4)
Binary (32-bit)
IP Address Class
Enter an IP address to see its class information
Understanding IPv4 Addresses
An IPv4 address is a 32-bit number, typically written as four 8-bit octets separated by dots (dotted-decimal notation).
Address Classes (Historical)
| Class | First Octet Range | Default Mask | Purpose |
|---|---|---|---|
| A | 1-126 | 255.0.0.0 | Large networks |
| B | 128-191 | 255.255.0.0 | Medium networks |
| C | 192-223 | 255.255.255.0 | Small networks |
| D | 224-239 | - | Multicast |
| E | 240-255 | - | Reserved |
Private IP Ranges
- 10.0.0.0 – 10.255.255.255 (Class A private)
- 172.16.0.0 – 172.31.255.255 (Class B private)
- 192.168.0.0 – 192.168.255.255 (Class C private)
Privacy & Limitations
- All calculations run entirely in your browser -- nothing is sent to any server.
- Results are computed locally and should be verified for critical applications.
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IP Address Converter FAQ
What is IP Address Converter?
IP Address Converter is a free developer tools tool that helps you Convert between IPv4 decimal and binary notation.
How do I use IP Address Converter?
Enter your input values, review the calculated output, and adjust inputs until you reach the result you need. The result updates in your browser.
Is IP Address Converter private?
Yes. Calculations run locally in your browser. Inputs are not uploaded to a server by default, and refreshing the page clears session data.
Does IP Address Converter require an account or installation?
No. You can use this tool directly in your browser without sign-up or software installation.
How accurate are results from IP Address Converter?
This tool applies standard formulas or deterministic processing logic for estimates. For medical, legal, tax, or investment decisions, verify with a qualified professional.
Can I save or share outputs from IP Address Converter?
You can bookmark this page and copy outputs manually. Results are not persisted in your account and are typically not embedded in the URL.