What is IPv4 Range Expander Online?
Network engineers frequently enumerate every IP in a range for access control lists, documentation, and scanning tasks. This tool expands any CIDR notation (e.g. 10.0.0.0/28) or start-end range into a complete list of addresses.
How to Use IPv4 Range Expander Online
- Enter a CIDR block or start/end IP range.
- All IP addresses in the range are listed.
- Copy as newline-delimited or comma-separated.
Frequently Asked Questions
How many IPs are in a /28?
16 total addresses (2^4). Subtract network and broadcast = 14 usable host addresses.