Enter a dotted IPv4 address and convert each octet into a compact hexadecimal value.
Network converter
Enter a value or load the sample to see the result.
Guide
Convert an IPv4 address to hexadecimal notation online for network documentation, protocol notes, logs, and debugging.
IPv4 addresses are usually written as four decimal octets, such as 192.168.1.1. The same 32-bit value can also be represented as hexadecimal. This converter turns each octet into a two-character hex pair and joins the result into one compact value.
Hexadecimal IP notation appears in protocol examples, packet analysis, debugging notes, log enrichment, network training, and low-level documentation. It is especially useful when you need to compare a dotted address with a byte-oriented representation.
The tool validates that the input is a proper IPv4 address with four parts from 0 to 255. Each part is padded to two hex characters, so 1 becomes 01 and 192 becomes C0. That keeps the output aligned as a full 8-character IPv4 hex value.
Use this page for fast checks, documentation, study notes, and debugging. It is focused on IPv4 and does not attempt to convert IPv6 addresses.
Quick reference
192.168.1.1
Hex: 0xC0A80101 / Plain: C0A80101
IPv4 addresses are 32-bit values split into four octets. Hex and binary outputs are alternate views of the same value.
Hex pairs and binary octets are padded so each address part keeps its byte-level shape in documentation and debugging notes.
These tools do not parse IPv6 or mixed notation. Keeping IPv4 pages focused reduces ambiguous results.
Common mistakes
IPv4 is 32 bits. Eight hexadecimal characters represent those 32 bits.
0x is a common prefix that marks a value as hexadecimal. The plain value is also shown without the prefix.
No. This page is for IPv4 addresses only.
192 in decimal equals C0 in hexadecimal.