The IP address 10.102.138.249 : Class A network
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 (10.0.0.0 - 10.255.255.255).
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 10.102.138.249 detail
The IP address 10.102.138.249 (IPv4 Class A network) belonging to the network 10.0.0.0 - 10.255.255.255 is written in long version 174492409.
Color obtained mathematically from the IP address: Soft purple
Addresses on the same network : 10.102.138.0 10.102.138.1 10.102.138.2 10.102.138.3 10.102.138.4 10.102.138.5 10.102.138.6 10.102.138.7 10.102.138.8 10.102.138.9 10.102.138.10 10.102.138.20 10.102.138.30 10.102.138.40 10.102.138.50 10.102.138.60 10.102.138.70 10.102.138.80 10.102.138.90 10.102.138.100 10.102.138.200 10.102.138.254 10.102.138.255