Online IP calculator
Input
- Address
- 172.81.139.0
- Netmask
- 255.255.255.0 = 24
- Inversion mask
- 0.0.0.255
- Binary
- 10101100.01010001.10001011.00000000
- Reserved
- No
Result
- Network
- 172.81.139.0/24 (Class B)
- First IP
- 172.81.139.1
- Last IP
- 172.81.139.254
- Broadcast
- 172.81.139.255
- Network range
- 172.81.139.0 - 172.81.139.255
- List of all IP addresses
- 172_81_139_0-24.txt
- Number of hosts
- 254
- Number of IP addresses
- 256