IPv4 Subnet Calculator

Enter an IP address and CIDR prefix to calculate network address, broadcast, host range, and more.

Subnet Details
CIDR Notation
192.168.1.0/24
Network Address
192.168.1.0
Broadcast Address
192.168.1.255
Subnet Mask
255.255.255.0
Wildcard Mask
0.0.0.255
First Usable Host
192.168.1.1
Last Usable Host
192.168.1.254
Total Hosts
256
Usable Hosts
254
ClassCTypePrivate
Binary Representation
Network bits highlighted in accent color
IP Address
11000000.10101000.00000001.00000000
Subnet Mask
11111111.11111111.11111111.00000000
Network
11000000.10101000.00000001.00000000
Broadcast
11000000.10101000.00000001.11111111
Subnet Splitter
Split 192.168.1.0/24 intoequal subnets
#Network / CIDRHost RangeHosts
1192.168.1.0/26192.168.1.1 – 192.168.1.6262
2192.168.1.64/26192.168.1.65 – 192.168.1.12662
3192.168.1.128/26192.168.1.129 – 192.168.1.19062
4192.168.1.192/26192.168.1.193 – 192.168.1.25462
Common CIDR Reference
PrefixSubnet MaskUsable HostsClass
/8255.0.0.016,777,214A
/16255.255.0.065,534B
/24255.255.255.0254C
/25255.255.255.128126C
/26255.255.255.19262C
/27255.255.255.22430C
/28255.255.255.24014C
/29255.255.255.2486C
/30255.255.255.2522C
/32255.255.255.2551host