Subnet Calculator
DeveloperCalculate IPv4 subnets and CIDR masks
Mask
Prefix length/26 · 255.255.255.192
Split into subnetsoff
Accepts 10.0.0.5/20, 10.0.0.5 255.255.240.0 or 10.0.0.5 /20.
Subnet
Private (RFC 1918)
- Network address
- 192.168.1.128/26
- Usable host range
- 192.168.1.129 – 192.168.1.190
- Broadcast address
- 192.168.1.191
- Usable hosts
- 62
- Total addresses
- 64
- Subnet mask
- 255.255.255.192
- Wildcard mask
- 0.0.0.63
- CIDR notation
- /26
- Binary mask
- 11111111.11111111.11111111.11000000
- Binary address
- 11000000.10101000.00000001.10000010
- Address type
- Private (RFC 1918)
- Reverse DNS zone
- 1.168.192.in-addr.arpa