“192.168.1.1” is a friendly way of writing one 32-bit number. Network tools, firewalls and databases sometimes want the binary, hex or single-number form.
The four forms
The IP Address Converter gives all three for 192.168.1.1:
| Form | Value |
|---|---|
| Dotted decimal | 192.168.1.1 |
| Binary | 11000000.10101000.00000001.00000001 |
| Hexadecimal | C0.A8.01.01 |
| 32-bit decimal | 3,232,235,777 |
How the conversion works
Each of the four parts is one byte, so it ranges from 0 to 255. 192 in binary is 11000000, 168 is 10101000, 1 is 00000001. Hex writes the same bytes as C0, A8, 01 and 01.
The single number is 192 × 256³ + 168 × 256² + 1 × 256 + 1 = 3,232,235,777.
Using the converter
- Enter an IPv4 address such as 192.168.1.1.
- Read the binary, hexadecimal and 32-bit decimal forms.
Each part must be between 0 and 255. Anything else, such as 192.168.1.256, is rejected with a clear message.
Why bother
- Binary shows how a subnet mask lines up with an address; see the subnet guide.
- Some databases store IPv4 addresses as a single number, which makes range queries easy.
- Hex appears in logs and packet captures.
Frequently asked questions
Does it convert IPv6?
No. IPv6 addresses are 128 bits long and use a different format, so this tool handles IPv4 only.
Is 192.168.1.1 a public address?
No, it is in a private range used inside home and office networks, so it is not reachable directly from the internet.