Easiest way to do this would be to filter your capture in Wireshark, its pretty simply to use the ip.addr==x.x.x.x command to look for specific hosts or networks in a large capture.
Easiest way to do this would be to filter your capture in Wireshark, its pretty simply to use the ip.addr==x.x.x.x command to look for specific hosts or networks in a large capture.