Subnet Calculator
Calculate IP subnets, CIDR notation, network ranges, and available hosts.
Common Subnet Sizes
/32 - Single host (1 IP)
/24 - 256 IPs (254 usable)
/16 - 65,536 IPs (65,534 usable)
/8 - 16,777,216 IPs (16,777,214 usable)
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Calculate IP subnets, CIDR notation, network ranges, and available hosts.
/32 - Single host (1 IP)
/24 - 256 IPs (254 usable)
/16 - 65,536 IPs (65,534 usable)
/8 - 16,777,216 IPs (16,777,214 usable)