Hi Syed:

The informations depend on what do you want analyze. You may write you own parser (python and c++ are the most use for this work) based on libpcap. For example tcpdump [http://www.tcpdump.org/], or WinDump for windows [http://www.winpcap.org/windump], snort [https://www.snort.org/] , nmap [http://www.nmap.org/] are tools that may help you. Nmap and Snort are ones of the most uses tools for informations security experts and data analysts for extract information of networks traffics and use.

Best regards.

Thanks a lot for your reply Vladimir

I have used tshark to get the required content using commands that have Fields -q ip.port ect... and later dumped the output into a tsv files and then used python for parsing them, then dumped the result into json format.