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Subnet Calculator
IPv4 address + prefix in, network / broadcast / host range / mask out. Click the bit bar to set the prefix, and split a block into smaller subnets.
Address
Prefix length
/24 · 255.255.255.0
192
168
1
10
network (24 bits) · host (8 bits)
- Network
- Broadcast
- Usable host range
- –
- Subnet mask
- Wildcard mask
- CIDR
- Total addresses
- 256
- 2^8
- Usable hosts
- 254
- Class / type
- C
- Private · RFC 1918
Binary
addr11000000.10101000.00000001.00001010
mask11111111.11111111.11111111.00000000
Divide this network
Into subnets of
/26 · 4 subnets · 64 addr each
- 192.168.1.0 – 192.168.1.63
- 192.168.1.64 – 192.168.1.127
- 192.168.1.128 – 192.168.1.191
- 192.168.1.192 – 192.168.1.255