The IP address 172.17.84.3 : Class B networks
Secure IP address This IP is only local, it is not accessible from outside the network
Rating: 5
This means that the IP address is not accessible from the Internet, it is local and only accessible within the network. Everyone has the same local address (172.16.0.0 - 172.31.255.255).
Each device (laptop, printer, scanner, phone, surveillance camera, tablet, ...) has a unique local IP address assigned by the adsl box that allows the box to identify the different devices to within a local network and send the right product at the right flow.
Specifically, the adsl box has a public IP address in your case, which connects to the Internet and the box assigns a local address to all devices to identify them.
The IP address 172.17.84.3 detail
The IP address 172.17.84.3 (IPv4 Class B networks) belonging to the network 172.16.0.0 - 172.31.255.255 is written in long version -1408150525.
Color obtained mathematically from the IP address: Purplish red
Addresses on the same network : 172.17.84.0 172.17.84.1 172.17.84.2 172.17.84.4 172.17.84.5 172.17.84.6 172.17.84.7 172.17.84.8 172.17.84.9 172.17.84.10 172.17.84.20 172.17.84.30 172.17.84.40 172.17.84.50 172.17.84.60 172.17.84.70 172.17.84.80 172.17.84.90 172.17.84.100 172.17.84.200 172.17.84.254 172.17.84.255