Any Ideas what A/C

FlightAware ADS-B Flight Tracking
1

Just went over the house low (Flight track shows Right over). Looked up the info on airframes.org and came up negative.
Coming into Paine Field.

n/a ⇒ ~2B8590
Country of registration: Unassigned
Altitude: ▼ 1825 ft | 556 m Squawk: n/a
Speed: 145 kt | 269 km/h RSSI: -17.4 dBFS
Track: 298° (Northwest) Last seen: now
Position: 47.947°, -122.253°
Distance from Site: 1.4 NM | 2.5 km

2

That is a TIS-B contact (note the ~ on the address; the address is not an ICAO address)