The 1.20 version of Inetkey is available as a free download on our website. The latest version of Inetkey that could have been downloaded for PCs running Windows XP/Vista/7/8/10/11, 32-bit. The software is included in Internet & Network Tools. The program's installer file is generally known as Inetkey.exe. The most popular version among Inetkey users is 1.2. This free tool was originally designed by University Stellenbosch.
From the developer:
Inetkey is a free program that enables you to access the Internet beyond the Stellenbosch University campus intranet. It also offers the user a facility that provides real-time and ​continuous Internet usage information and the associated costs. It increases security as well as enables users to better manage Internet traffic.
You may want to check out more software, such as SecureCRT, SNMPc Network Manager or Odyssey Client, which might be similar to Inetkey.