IPv4 Subnet & CIDR Calculator
High-precision client-side subnet math engine supporting standard subnets, RFC 3021 /31 point-to-point links, /32 host routes, and RFC 1918 classification.
Calculated Subnet
192.168.10.25 /24
Private
RFC 1918
Subnet Mask
255.255.255.0
Wildcard Mask
0.0.0.255
Network Address (ID)
192.168.10.0
Broadcast Address
192.168.10.255
Usable Host Range
192.168.10.1 – 192.168.10.254
Usable Host Addresses
254
Total Subnet Capacity
256
32-Bit Binary Layout
IP Address:
11000000.10101000.00001010.00011001
Subnet Mask:
11111111.11111111.11111111.00000000
Network ID:
11000000.10101000.00001010.00000000
Broadcast:
11000000.10101000.00001010.11111111