NetworkIPv6 ULA Generatorclient-sideRoll a random IPv6 unique local address prefix (fd00::/8) for private networks, following RFC 4193.IPv4 Subnet CalculatorBreak an IPv4 CIDR block down into its network and broadcast address, usable host range, mask, and size.MAC Address GeneratorGenerate one or many random MAC addresses with a fixed prefix, case, and separator of your choosing.