Anecdotal, and I'm guessing it's because I was logged in (to my long standing personal Google account) - but I didn't have any issues when I was VPN'd through a Vultr vps of mine when I was in my dorm.
Again I'm guessing it's because I was logged in, from google chrome.
Depends very much on which datacenter you're using. I'd imagine google doesn't get much (any) bot traffic from Akamai, so I'm not surprised that their ranges aren't flagged yet.
But all it takes is a few dozen queries in fast succession and google will start showing a captcha. At least, that is how it seemed to be a few years ago.
Akamai rotates their source IPs a lot so you wouldn’t get a captcha very fast.
I wonder how many people are currently submitting queries via that page...
Re:Captcha.nsa.gov
by VectorLock on Monday February 03, 2020 @01:27PM
(#22227262)
I'd love to know what the distribution of tries on the "unsolvable" captcha is when served to real people operating in good faith.
At least that is my experience with proxying google services (e.g. silly setup for accessing them from China). Datacenter IPs or SSL "MitM" connections reliably trigger it.