Jan 31, 2019 · In the Internet Protocol Version 4 line, the IP packet Wireshark capture indicates that the source IP address of this DNS query is 192.168.1.146 and the destination IP address is 192.168.1.1. In this example, the destination address is the default gateway. The router is the default gateway in this network. Jun 30, 2013 · How to Use Wireshark to Capture, Filter and Inspect Packets ? When your computer is constantly connected to the Internet or to a network, it is vulnerable to attacks and malware infections. In addition to using a powerful and updated antivirus solution, you can also use a network analysis tool to identify the malicious packets and block them.