![David Bombal on Twitter: "Peter is confused about something in Windows 10. Why does Windows automatically add subnet masks of different numbers when he configures a PC with an IP address? 10.1.1.1 David Bombal on Twitter: "Peter is confused about something in Windows 10. Why does Windows automatically add subnet masks of different numbers when he configures a PC with an IP address? 10.1.1.1](https://pbs.twimg.com/media/D0AmB-4WsAEYlZf.jpg)
David Bombal on Twitter: "Peter is confused about something in Windows 10. Why does Windows automatically add subnet masks of different numbers when he configures a PC with an IP address? 10.1.1.1
![Otasuke Pro! > FAQ > GP3000 > On the Offline screen, [The settings of the IP Address and the Subnet Mask are incorrect.] appears. Otasuke Pro! > FAQ > GP3000 > On the Offline screen, [The settings of the IP Address and the Subnet Mask are incorrect.] appears.](https://www.pro-face.com/otasuke/qa/gp3000/images/8709_01e.jpg)
Otasuke Pro! > FAQ > GP3000 > On the Offline screen, [The settings of the IP Address and the Subnet Mask are incorrect.] appears.
![networking - How to correctly set the subnet mask installing Linux Ubuntu 20.04 server? ERROR: '172.16.182.216' is not contained in '255.255.255.0/24' - Super User networking - How to correctly set the subnet mask installing Linux Ubuntu 20.04 server? ERROR: '172.16.182.216' is not contained in '255.255.255.0/24' - Super User](https://i.stack.imgur.com/tXjF8.png)
networking - How to correctly set the subnet mask installing Linux Ubuntu 20.04 server? ERROR: '172.16.182.216' is not contained in '255.255.255.0/24' - Super User
![SOLVED: 'Please also give reason Using the IP address and subnet mask shown write out the host address: IP Address and Subnet Mask 192.149.24.191 255.255.255.0 Host Address 117.15.251 255.0.0.0 27.125.200.151 255.0.0.0 223.169.23.20 255.255.0.0 48.21 ... SOLVED: 'Please also give reason Using the IP address and subnet mask shown write out the host address: IP Address and Subnet Mask 192.149.24.191 255.255.255.0 Host Address 117.15.251 255.0.0.0 27.125.200.151 255.0.0.0 223.169.23.20 255.255.0.0 48.21 ...](https://cdn.numerade.com/ask_images/699766c86cef480981e49116983d3877.jpg)
SOLVED: 'Please also give reason Using the IP address and subnet mask shown write out the host address: IP Address and Subnet Mask 192.149.24.191 255.255.255.0 Host Address 117.15.251 255.0.0.0 27.125.200.151 255.0.0.0 223.169.23.20 255.255.0.0 48.21 ...
![If we don't subnet and use as our subnet mask then we use all of our IP addresses on one network. This is not an efficient use of our Class. - ppt If we don't subnet and use as our subnet mask then we use all of our IP addresses on one network. This is not an efficient use of our Class. - ppt](https://slideplayer.com/10864949/39/images/slide_1.jpg)