/16 subnet
A /16 prefix equals subnet mask 255.255.0.0 and wildcard 0.0.255.255. It holds 65,536 addresses, 65,534 of them usable by hosts.
/16
- Subnet mask
- 255.255.0.0
- Wildcard mask
- 0.0.255.255
- Binary mask
- 11111111.11111111.00000000.00000000
- Total addresses
- 65,536
- Usable hosts
- 65,534
- Example network
- 10.0.0.0/16
- Example range
- 10.0.0.0 – 10.0.255.255
- How many fit
- 256 × /16 in a /8
The size of a former class B network, and of 192.168.0.0/16 and the link-local range 169.254.0.0/16.