Compute the smallest CIDR block covering all listed networks.
Enter networks (one per line) to find the tightest aggregate CIDR.
Summary: 192.168.0.0/22
Mask: 255.255.252.0
4 networks listed · 4 slots in summary block
Summary tightly covers the listed networks with no holes detected.
Route Summarization Calculator helps you compute the smallest cidr block covering all listed networks. It is commonly used by network admins, IT support teams, ops engineers for route summarization, supernet calculator, aggregate route calculator.
Bitwise longest common prefix with hole detection in the aggregate.