Online IP calculator
Input
- Address
- 153.72.72.0
- Netmask
- 255.255.248.0 = 21
- Inversion mask
- 0.0.7.255
- Binary
- 10011001.01001000.01001000.00000000
- Reserved
- No
Result
- Network
- 153.72.72.0/21 (Class B)
- First IP
- 153.72.72.1
- Last IP
- 153.72.79.254
- Broadcast
- 153.72.79.255
- Network range
- 153.72.72.0 - 153.72.79.255
- List of all IP addresses
- 153_72_72_0-21.txt
- Number of hosts
- 2046
- Number of IP addresses
- 2048