Yup, it's BSSID. I took my router with me when i moved back home from university (and i changed the SSID first thing). For about a year my iPad would think it

Yup, it's BSSID. I took my router with me when i moved back home from university (and i changed the SSID first thing). For about a year my iPad would think it was still at university, and sometimes when i used it to chat with friends on Facebook they would reply "Oh, you're back in town?? Come visit!".