IP Range Calculator

Calculate IP Address Ranges

Calculate all IP addresses in a range, convert between IP ranges and CIDR notation.

Understanding IP Ranges

An IP range defines a block of consecutive IP addresses. Network administrators use IP ranges to allocate addresses, configure firewalls, and manage network segments.

Network Planning
Allocate IP blocks to subnets
Firewall Rules
Block or allow IP ranges
IP Scanning
Enumerate hosts in a range

Enter IP Range

Results

Enter an IP range to see results