An IPv4 address usually appears as four numbers with dots, such as 192.168.1.1. Computers can write the same address as one number or as bits. IPv4 Address Converter lets you compare those forms.
Check a small address
Type 0.0.0.1 in IPv4 address. In Representations, look for Dotted: 0.0.0.1, Decimal: 1, and Hex: 0x00000001. The Binary row should end in 1 after a line of zeroes. Nothing moved to a new network: these are just different ways to write one address.
Now replace the input with 1. The Dotted result should still be 0.0.0.1. To try a familiar private-network example, type 192.168.1.1 and compare its dotted, decimal, hex, and binary forms. Use Copy if you need the whole result.
If the input is rejected
A dotted IPv4 address needs exactly four parts; each part must be between 0 and 255. 192.168.1.999 cannot be an IPv4 address. This tool changes the representation, not the subnet or routing rules. If you need a network and host range, use the related IPv4 Subnet Calculator.
Where your input goes
Processing runs in your browser. The tool does not upload your input to ilham.dev.
Related guide
For more background, read Network Debugging Notes.
Questions you might have
- Why does 127.0.0.1 become 2130706433?
- The four octets are the bytes of one 32-bit number: 127×256³ + 0×256² + 0×256 + 1. That is why some sites accept the decimal form as the same address.
- Why would I need the integer form?
- Firewalls, access rules and some APIs store addresses as integers because they are cheaper to compare and range-check than strings.