The Mask - IPv4 & IPv6 Calculator (The Free Download
Linux Mint - Community
6connect on X: "Our IPv6 Subnet Calculator can be used to work within your IP block range and estimate the structure of your IPv6 allocation. Or you can just generate CSV files
networking - Is there a subnet calculator that computes the *complement* of a subnet? - Stack Overflow
IPv6 Subnet Calculator / Tool - Download
IP Address Calculator for Android - Download | Bazaar