The IP address 172.28.64.3 : 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 172.28.64.3 detail
The IP address 172.28.64.3 (IPv4 Class B networks) belonging to the network 172.16.0.0 - 172.31.255.255 is written in long version -1407434749.
Color obtained mathematically from the IP address: Rouge
Addresses on the same network : 172.28.64.0 172.28.64.1 172.28.64.2 172.28.64.4 172.28.64.5 172.28.64.6 172.28.64.7 172.28.64.8 172.28.64.9 172.28.64.10 172.28.64.20 172.28.64.30 172.28.64.40 172.28.64.50 172.28.64.60 172.28.64.70 172.28.64.80 172.28.64.90 172.28.64.100 172.28.64.200 172.28.64.254 172.28.64.255