Excuse my ignorance, but isn't 53622 the default port for bittorrent?
21:14:22.990731 IP dataman1.home.net.53662 > 229.185.249.62.customer.cdi.no.3625: UDP, length 33
21:14:22.990768 IP dataman1.home.net.53662 > c-71-192-110-50.hsd1.ma.comcast.net.16876: UDP, length 32
21:14:23.083431 IP 229.185.249.62.customer.cdi.no.3625 > dataman1.home.net.53662: UDP, length 18
21:14:23.135477 IP c-71-192-110-50.hsd1.ma.comcast.net.16876 > dataman1.home.net.53662: UDP, length 19
these all look like connections to residential broadband peeps.... so leads to the conclusion of bittorrent too
do you know how much bandwidth it's creating? I concur with James, run netstat to see what's using the ports..
Hope you get it resolved