When I do a Google Search from our school network, every time we have to solve a Captcha, because Google identifies it as unusual traffic. We analyzed the traffic for a while and there is definitely no bot or anything else which spams Google from our network.
All traffic originated from a single public IP, which I understand is the problem.
Is there a solution to get rid of the Captchas without splitting up the network into different groups and assigning different public IP addresses?