Someone nearby has a network-connected fridge.
Seongji is a Korean electronic components manufacturer, so I assume the refrigerator is a Samsung.
The string after [fridge] isn't a model number. Maybe the serial?
I'm going to go out on a limb and assume this person doesn't have the fridge on an isolated VLAN.
@voltronic The #smartfridge vendors should be hauled over the coals for unleashing this stuff on an unsuspecting and often network-naïve customer base. Samsung has learned nothing from the email vulnerabilities in their first-gen fridges.