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Subnet Math

Subnet and CIDR math.

Subnet Math

  1. 1 IPv4 subnet calculator Network, broadcast, host range, mask, wildcard and host count for any IPv4 address and prefix.
  2. 2 IPv6 subnet calculator Network prefix, address range, total addresses and the number of /64 subnets in any IPv6 prefix.
  3. 3 Subnet cheat sheet (CIDR chart) Every IPv4 prefix from /0 to /32 with its subnet mask, wildcard, total addresses and usable hosts.
  4. 4 Subnet divider Split an IPv4 block into equal subnets by how many you need or by how many hosts each must hold.