/28 subnet
A /28 prefix equals subnet mask 255.255.255.240 and wildcard 0.0.0.15. It holds 16 addresses, 14 of them usable by hosts.
/28
- Subnet mask
- 255.255.255.240
- Wildcard mask
- 0.0.0.15
- Binary mask
- 11111111.11111111.11111111.11110000
- Total addresses
- 16
- Usable hosts
- 14
- Example network
- 10.0.0.0/28
- Example range
- 10.0.0.0 – 10.0.0.15
- How many fit
- 1,048,576 × /28 in a /8, 4,096 × /28 in a /16, 16 × /28 in a /24