The IP address 172.19.237.204 : 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 172.19.237.204 detail
The IP address 172.19.237.204 (IPv4 Class B networks) belonging to the network 172.16.0.0 - 172.31.255.255 is written in long version -1407980084.
Color obtained mathematically from the IP address: Bright violet
Addresses on the same network : 172.19.237.0 172.19.237.1 172.19.237.2 172.19.237.3 172.19.237.4 172.19.237.5 172.19.237.6 172.19.237.7 172.19.237.8 172.19.237.9 172.19.237.10 172.19.237.20 172.19.237.30 172.19.237.40 172.19.237.50 172.19.237.60 172.19.237.70 172.19.237.80 172.19.237.90 172.19.237.100 172.19.237.200 172.19.237.254 172.19.237.255