Ipv4 Subnet Calculator An easy to use, simple subnet calculator that takes the hassle out of the many intricacies involved with the ipv4 subnet system. This tool will allow you to accurately subnet different class networks as well as calculate the number of hosts allowed. The subnet calculator is as flexible as possible, allowing for a multitude of ways to automatically advance to the next field with the intentions of allowing for multiple keyboard layouts. After entering in an octet you can hit any of the keys to advance fields. Also, after three digits entered, the field will advance automatically. - The period key - The Space key - The * key - The # key You can quickly and easily retrieve the network range a host device to effectively determine if your device resides within your given network configuration. The binary tab illustrates some of the patterns that can help the beginner start to learn the subnet process. Quickly and easily e-mail or save various network configurations for reference later. Please feel free to contact me with any features/updates you would like to see added to this tool. IPv4的子网计算器 一个易于使用的，简单的子网计算器，采用的烦恼中解脱出来参与IPv4的子网系统中的许多复杂性。这个工具可以让你准确地不同的子网级网络以及计算允许的主机数。 子网计算器是尽可能地灵活，允许多种方式自动前进到下一个字段允许多个键盘布局的意图。进入一个八位位组后，您可以按任意键，以推进领域。此外，三个数字输入后，该字段将自动前进。 - 在关键时期 - 空格键 - *键 - ＃键 您可以快速，方便地检索网络范围内的主机设备，以有效地确定您的设备驻留在您指定的网络配置。 二进制选项卡中显示了一些模式，可以帮助初学者开始学习子网的过程。 快速，轻松地通过电子邮件发送或以后节省各种网络配置以供参考。 请随时与我联系任何功能/更新你想看到加入到这一工具。
3/5/14 Application stability fix. 3/4/14 Based off the comment feedback, I have made the following changes: Rework of the menu buttons for additional features: History listing added so that you can reference your entered subnet data at a later date. Long press to delete individual records or purge history in the settings menu. Settings added to properly display application preferences and settings. In-App purchase added for those who would like to eliminate the ads.