Finding this: 04.myspace.presence.userplane.... in my son's yahoo report card, what does it mean?

I received a yahoo report card for my son's online activity and it had the following listed:
02.myspace.presence.userplane.com
04.myspace.presence.userplane.com
207.46.20.30
213.8.137.51
ad.103092804.com

Can anyone tell me what these are?
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