The IP address 172.29.138.118 : 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 172.29.138.118 detail
The IP address 172.29.138.118 (IPv4 Class B networks) belonging to the network 172.16.0.0 - 172.31.255.255 is written in long version -1407350154.
Color obtained mathematically from the IP address: Warm purple
Addresses on the same network : 172.29.138.0 172.29.138.1 172.29.138.2 172.29.138.3 172.29.138.4 172.29.138.5 172.29.138.6 172.29.138.7 172.29.138.8 172.29.138.9 172.29.138.10 172.29.138.20 172.29.138.30 172.29.138.40 172.29.138.50 172.29.138.60 172.29.138.70 172.29.138.80 172.29.138.90 172.29.138.100 172.29.138.200 172.29.138.254 172.29.138.255