Wireshark-users: Re: [Wireshark-users] Wireshark Date interpretation
From: Stephen Fisher <steve@xxxxxxxxxxxxxxxxxx>
Date: Fri, 11 Mar 2011 09:42:44 -0700
On Fri, Mar 11, 2011 at 03:51:56PM +0100, Alexander Schunk wrote:

> i have detected an arcadyan network interface connected to my computer 
> with IP address 224.0.0.22 and 98.138.26.78

224.0.0.2 is a multicast IPv4 address, specifically for IGMP: 
http://en.wikipedia.org/wiki/IGMP

> Further investigation told me that it has a yahoo provider and is located in
> sunnyvale.

98.138.26.78 is sip105-p2.voice.ne1.yahoo.com, which sounds like a VoIP 
application.