MAC Address Generator – Random Locally Administered MACs
Generate random locally administered unicast MAC addresses in common separator formats.
Network & Security Tools
11 toolsKeep your digital routine secure and running smoothly. Generate strong passwords check your connection details or look up domain information whenever you need it.
MAC Address Validator & Formatter – Check MAC Online
Validate a MAC address and format it with colons, hyphens or no separators.
IPv4 Range Calculator – Start, End & Address Count
Calculate the number of IPv4 addresses between a start and end IP and view integer values.
IPv4 to Decimal Converter – IP Address to Integer
Convert dotted-decimal IPv4 addresses to unsigned 32-bit integers and convert integers back to IPv4.
IPv4 Subnet List Generator – Split CIDR into Subnets
Split an IPv4 CIDR network into smaller equal-size subnets and list their network addresses.
Content Security Policy Generator – CSP Header Builder
Build a basic Content-Security-Policy header for default, image, script and style source directives.
TCP & UDP Port Number Lookup – Common Ports Checker
Look up common TCP and UDP port numbers and identify well-known, registered or dynamic port ranges.
IPv4 to Binary Converter – IP Address Calculator
Convert IPv4 addresses to 32-bit binary and binary values back to dotted-decimal IP format.
Subnet Mask Calculator – CIDR to IPv4 Mask & Hosts
Convert CIDR prefixes to IPv4 subnet masks, wildcard masks, host bits and address counts online.
IP & Subnet Calculator
Calculate IPv4 network, subnet mask, broadcast, host range and address counts from CIDR notation.