The following interface can be seen on Paragon Active Assurance Control Center
what is this used for?
The tun0 interface is created by Paragon Active Assurance Control center and is used for the OpenVPN connections to test agents.
tun0: flags=4305 mtu 1500
inet 100.70.0.1 netmask 255.255.0.0 destination 100.70.0.1
Note: IP address/Subnet 100.70.0.1 is common for all installations, this IP is in the CGNAT reserved space