IP Range Expander
Parse an IPv4 CIDR or range and expand it into an address list.
Runs in your browserEvery computation happens in your browser — your data never leaves this device.
IP range
Address list
One address per line.
Enter an IP range to see the result
What this tool does
- Expand small address ranges
- Make small scan or allowlist lists
Example
Input
192.0.2.1-192.0.2.3
Output
192.0.2.1 192.0.2.2 192.0.2.3
Frequently asked questions
What inputs are supported?
CIDR and IPv4 start-end ranges are supported.
Does CIDR include the network address?
Yes, the expansion includes both endpoints in the input range.
How can I avoid expanding a large range?
Use limit to cap output; exceeding the limit returns an error.
Keywords：IPIPv4range