IP to Integer
Convert IPv4 addresses to 32-bit integer representation and vice versa.
Input
Supports IPv4 address (e.g., 192.168.1.1) or integer (e.g., 3232235777)
Result
Enter an IP address or integer to convert
Frequently Asked Questions
How do I convert an IP address to an integer?
Each octet of an IPv4 address represents 8 bits. Multiply the first octet by 16,777,216 (2^24), the second by 65,536 (2^16), the third by 256 (2^8), and add the fourth. For example, 192.168.1.1 becomes (192×16777216) + (168×65536) + (1×256) + 1 = 3232235777.
Why store IP addresses as integers in databases?
Integer storage offers faster comparisons during queries, smaller storage requirements (4 bytes vs up to 15 characters), and natural sorting that matches numerical order. This approach is common in high-volume logging systems, security tools, and applications where IP address lookups happen frequently.
What is the valid range for IP integers?
IPv4 addresses as integers range from 0 to 4,294,967,295 (2^32 - 1). The address 0.0.0.0 equals 0, and 255.255.255.255 equals 4,294,967,295. This tool validates that integer inputs fall within this range.
Is my data sent to a server?
No. All conversion calculations happen locally in your browser using JavaScript. The tool performs bidirectional conversion entirely on your device with no network requests.
What do the binary and hex formats show?
Binary representation shows the 32 bits underlying the address, which is useful for understanding subnet masking and network calculations. Hexadecimal format (like 0xC0A80101) appears in configuration files and programming contexts. Viewing both formats builds intuition about how IP addressing works at the bit level.
Why might some systems return IP addresses as integers?
Legacy systems, certain APIs, network equipment, and some programming interfaces work with integer representations for efficiency or historical compatibility. Understanding both formats allows you to debug issues when format mismatches occur between systems or when working with IP-based access control lists.