Companies regularly NAT many thousands of users behind a single public IP. Additionally non-profits, schools, and others often provide WiFi for their guests/stu

Companies regularly NAT many thousands of users behind a single public IP. Additionally non-profits, schools, and others often provide WiFi for their guests/students using a supposedly residential internet account or their ISP doesn't segment basic business IPs from residentials. In any case flagging multiple accounts logging in from a single public IP is not as useful a signal as you might think.