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IP / CIDR Calculator
Calculate IPv4 subnet info from CIDR notation. Network address, broadcast, host range, classification — all in browser, no lookups.
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Subnet contains
254
usable hosts
IP Address192.168.1.1
Network192.168.1.0
Broadcast192.168.1.255
First Host192.168.1.1
Last Host192.168.1.254
Subnet Mask255.255.255.0
CIDR Prefix/24
Total IPs256
Usable Hosts254
ClassC
TypePrivate (Class C)
🔢 Binary representation
IP: 11000000.10101000.00000001.00000001
Mask: 11111111.11111111.11111111.00000000
◆ How it works
IP / CIDR Calculator — 3 simple steps
01
Enter IP/CIDR
e.g., 192.168.1.0/24
02
See subnet
Network, broadcast, hosts
03
Binary view
For deeper analysis
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