/23 subnet
A /23 prefix equals subnet mask 255.255.254.0 and wildcard 0.0.1.255. It holds 512 addresses, 510 of them usable by hosts.
/23
- Subnet mask
- 255.255.254.0
- Wildcard mask
- 0.0.1.255
- Binary mask
- 11111111.11111111.11111110.00000000
- Total addresses
- 512
- Usable hosts
- 510
- Example network
- 10.0.0.0/23
- Example range
- 10.0.0.0 – 10.0.1.255
- How many fit
- 32,768 × /23 in a /8, 128 × /23 in a /16