I get that this just looks like a scan but it's strange that half a dozen people reported it at the same time (so the problem is likely more widespread). How lo

I get that this just looks like a scan but it's strange that half a dozen people reported it at the same time (so the problem is likely more widespread). How long would it take to send these packets to all public ips in the world (real question, I have no sense of the scale of ip addresses)? I guess it could be that the ips are known to be running printers by a previous scan. Maybe the printers contact home and the HP accidentally sent them a bad message?