Install asused by entering the following commands in the terminal:
sudo apt update sudo apt install asused
tool to check IPv4 allocations and assignments as stored in the RIPE database
Asused is a tool which summarizes address space as registered in the RIPE database. For each allocated inetnum object a summary of used and free address space is printed. A grant total summary for all prefixes is also provided. If there are no errors in locating allocations and assignments under an allocation. In the total % are calculated on total allocations.