CIDR & Subnet Calculator
Analyze IPv4 subnets from CIDR notation to calculate netmasks, wildcard masks, network and broadcast addresses, usable IP address ranges, and total host counts.
192.168.1.0/24255.255.255.0192.168.1.255192.168.1.1 – 192.168.1.254254
0.0.0.255
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Preguntas Frecuentes
What is CIDR notation?
CIDR (Classless Inter-Domain Routing) notation is a compact representation of an IP address and its associated network mask, written as an IP followed by a slash and prefix length (e.g. 192.168.1.0/24).
What does /24 mean in CIDR?
A /24 network prefix uses 24 bits for the network portion and 8 bits for host addresses, providing 256 total IP addresses (254 usable for hosts).