IPv4 Subnet Calculator

Network address, broadcast, host range, wildcard mask and binary breakdown for any IPv4 CIDR block.

Accepts 10.0.0.5/26, 10.0.0.5 255.255.255.192, or a bare IP.

Results for 196.0.0.0/6

196.0.0.0/6 is the network in CIDR notation · Public
Network address
196.0.0.0
Broadcast address
199.255.255.255
Subnet mask
252.0.0.0
Wildcard mask
3.255.255.255
Total addresses
67,108,864
Usable hosts
67,108,862 (excludes network & broadcast)
First usable host
196.0.0.1
Last usable host
199.255.255.254
CIDR notation
196.0.0.0/6
IP type
Public

How the bits line up

Octets (binary)
IP address11000100000000000000000000000000
Subnet mask11111100000000000000000000000000
Network11000100000000000000000000000000
Broadcast11000111111111111111111111111111

The mask's 6 leading ones select the network portion; the remaining 26 bits are available for hosts.

Keep exploring

See every fact about the /6 subnet mask, plan multiple subnets with the VLSM calculator, or convert ranges on the range-to-CIDR tool.