I ordered a laptop from Dell, providing no information about my small employer. I ordered it from my own laptop but it was on my work's WiFi when I ordered it.

I ordered a laptop from Dell, providing no information about my small employer. I ordered it from my own laptop but it was on my work's WiFi when I ordered it. They called to confirm some BS about the order, and mentioned my employer's name. I was pretty stunned. I'm thinking they correlate IP address of your purchase on Dell.com with employer, I've heard such databases are available, but it's pretty surprising to me... not sure what else they do, except yeah, maybe googling their customers.