IPv4 Subnet Calculator
Network address, broadcast, host range, wildcard mask and binary breakdown for any IPv4 CIDR block.
Results for 198.128.0.0/10
198.128.0.0/10 is the network in CIDR notation · Public
- Network address
- 198.128.0.0
- Broadcast address
- 198.191.255.255
- Subnet mask
- 255.192.0.0
- Wildcard mask
- 0.63.255.255
- Total addresses
- 4,194,304
- Usable hosts
- 4,194,302 (excludes network & broadcast)
- First usable host
- 198.128.0.1
- Last usable host
- 198.191.255.254
- CIDR notation
- 198.128.0.0/10
- IP type
- Public
How the bits line up
| Octets (binary) | ||||
|---|---|---|---|---|
| IP address | 11000110 | 10000000 | 00000000 | 00000000 |
| Subnet mask | 11111111 | 11000000 | 00000000 | 00000000 |
| Network | 11000110 | 10000000 | 00000000 | 00000000 |
| Broadcast | 11000110 | 10111111 | 11111111 | 11111111 |
The mask's 10 leading ones select the network portion; the remaining 22 bits are available for hosts.
Keep exploring
See every fact about the /10 subnet mask, plan multiple subnets with the VLSM calculator, or convert ranges on the range-to-CIDR tool.