Install ipv6calc by entering the following commands in the terminal:
sudo apt update sudo apt install ipv6calc
Description:
small utility for manipulating IPv6 addresses
The ipv6calc utility can convert between different formats of IPv4 or IPv6 addresses. It can also show information about the addresses, including who they are assigned to on the Internet.
Homepage: http://www.deepspace6.net/projects/ipv6calc.html
Version: 0.99.1-1build1
Section: universe/net