There are corporate laptops on my network. I had originally thought maybe that could be related. But I can't explain how this source IP was showing up on a tcpd

There are corporate laptops on my network. I had originally thought maybe that could be related. But I can't explain how this source IP was showing up on a tcpdump from my desktop if that was the case, so at this point I'm assuming it's an issue originating from my desktop.