Network Tools
Subnet Calculator
IPv4 and IPv6 — CIDR, host ranges, wildcard masks, subnet splitting
Enter an IPv4 or IPv6 address with a CIDR prefix or subnet mask. The calculator returns network address, broadcast, host range, wildcard mask, and usable host count. Optionally split the network into equal subnets by specifying the number of subnets needed or the required hosts per subnet.
Network Input
IP Address / CIDR or Subnet Mask
Please enter a valid IPv4 or IPv6 address with prefix or mask.
Network Summary
Subnets