/18 subnet
A /18 prefix equals subnet mask 255.255.192.0 and wildcard 0.0.63.255. It holds 16,384 addresses, 16,382 of them usable by hosts.
/18
- Subnet mask
- 255.255.192.0
- Wildcard mask
- 0.0.63.255
- Binary mask
- 11111111.11111111.11000000.00000000
- Total addresses
- 16,384
- Usable hosts
- 16,382
- Example network
- 10.0.0.0/18
- Example range
- 10.0.0.0 – 10.0.63.255
- How many fit
- 1,024 × /18 in a /8, 4 × /18 in a /16