IPv4 subnet calculator
Network, broadcast, usable range and host count from an address and a mask.
- Address
- 192.168.10.42
- Network address
- 192.168.10.0/26
- Broadcast address
- 192.168.10.63
- Subnet mask
- 255.255.255.192
- Wildcard mask
- 0.0.0.63
- First usable
- 192.168.10.1
- Last usable
- 192.168.10.62
- Total addresses
- 64
- Usable hosts
- 62
- Host bits
- 6
- Class
- Private (RFC 1918)
- Address in binary
- 11000000.10101000.00001010.00101010
- Mask in binary
- 11111111.11111111.11111111.11000000
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Runs entirely in your browser — nothing you enter is sent to us.