Network & IP Tools
The Network Engineering Toolkit calculates subnet boundaries, CIDR ranges and address counts for IPv4 and IPv6, converts between address notations, and generates MAC addresses. Everything is computed locally with no lookups against your network.
9 free tools in this category.
Cidr Calculator Interpreting classless inter-domain routing prefixes. Ipv6 Subnet Calculator Computing prefixes and ranges for IPv6. Subnet Calculator Deriving network, broadcast and host ranges from an address and mask. Ip Address Converter Converting an IPv4 address between dotted, integer, hex and binary. Ip To Integer Converter Packing a dotted IPv4 address into a 32-bit integer. Ipv4 Subnet Calculator Computing subnet boundaries from CIDR notation. Ipv4 To Ipv6 Converter Expressing an IPv4 address in IPv6 notation. Integer To Ip Converter Unpacking a 32-bit integer into a dotted IPv4 address. Mac Address Generator A hardware identifier for network interfaces.