/1 subnet
A /1 prefix equals subnet mask 128.0.0.0 and wildcard 127.255.255.255. It holds 2,147,483,648 addresses, 2,147,483,646 of them usable by hosts.
/1
- Subnet mask
- 128.0.0.0
- Wildcard mask
- 127.255.255.255
- Binary mask
- 10000000.00000000.00000000.00000000
- Total addresses
- 2,147,483,648
- Usable hosts
- 2,147,483,646
- Example network
- 0.0.0.0/1
- Example range
- 0.0.0.0 – 127.255.255.255