It's a Zero Config IP address. Most likely a host with zero config enabled, pretty much all Windows by default, was unable to get an IP from DHCP. On 10/28/2015 9:04 AM, Timothy Murphy wrote: > Why does "arp -a" show IP address 169.254.192.123 > on my 192.168.2.0 home network? > I recall seeing this IP address somewhere, > but don't remember where. >