poink is a TCP/IP-based ping implementation that does not require special privileges and is designed for multiuser shell systems. It is intended to be a secure replacement for the standard IPv4 network monitoring tool.
You can download it from the following link: https://packetstormsecurity.com/files/download/36381/poink.zip
Source: https://packetstormsecurity.com/files/36381/poink.zip.html