The IP address 10.0.2.4 typically indicates that your Kali Linux virtual machine (VM) is using a NAT (Network Address Translation) network configuration. This setup assigns a private IP address to your VM, and the host machine acts as a bridge to access external networks.

If you want to identify the current IP address and ensure proper connectivity, follow these steps:

If you get the same problem as above or can't find the IP addresses of all the connected devices.

Step 1: Go to your virtual box

-->Go to settings.

Step 2:Go to the Network

-->Click on "Enabled network adapter".
-->Go to "Attached to:" and change NAT to bridged adapter.

Step 3:Go to Advanced

-->Enabled promiscuous mode
-->Set it to "Allowed all"

-->click on OK and you are good to go!!

-->you got all the devices exact IP addresses.