Online IP calculator
Input
- Address
- 3.5.8.0
- Netmask
- 255.255.248.0 = 21
- Inversion mask
- 0.0.7.255
- Binary
- 00000011.00000101.00001000.00000000
- Reserved
- No
Result
- Network
- 3.5.8.0/21 (Class A)
- First IP
- 3.5.8.1
- Last IP
- 3.5.15.254
- Broadcast
- 3.5.15.255
- Network range
- 3.5.8.0 - 3.5.15.255
- List of all IP addresses
- 3_5_8_0-21.txt
- Number of hosts
- 2046
- Number of IP addresses
- 2048