Tootfinder

I don't recall seeing much measurement research on mobile carrier identification from client traffic. Didn't find much in a cursory search.
Does this exist? Is it feasible, particularly with branded devices like this?
Can classification be done by address pools unique, IDs, MACs, user agent strings, default start-up apps, default DNS queries/settings, etc.?
Clue, ideas, and pointers wanted.

Steve Herman (@w7voa@journa.host)
Attached: 1 image CNBC - A company owned by President Trump announces it own branded Trump Mobile cell phone service and will sell a "T1" smartphone, featuring gold-colored metal case etched with an American flag. https://www.cnbc.com/2025/06/16/trump-mobile-phone-plan.html

The latest executive order from Trump administration removed the following sentence from a previous executive order.
" e) Open source software plays a critical role in Federal information systems."
🔗 https://www…

Sustaining Select Efforts to Strengthen the Nation's Cybersecurity and Amending Executive Order 13694 and Executive Order 14144
By the authority vested in me as President by the Constitution and the laws of the United States of America, including the International Emergency

https://www.whitehouse.gov/fact-sheets/2025/06/fact-sheet-president-donald-j-trump-reprioritizes-cybersecurity-efforts-to-protect-america/
Trump issued an executive order to “amend problema…

Fact Sheet: President Donald J. Trump Reprioritizes Cybersecurity Efforts to Protect America
STRENGTHENING THE NATION’S CYBERSECURITY: Today, President Donald J. Trump signed an Executive Order to strengthen the nation's cybersecurity by focusing

Nice (laudatory) hairpin work #N672CP