>the range of valid IDs was between 100000-999999, and there were about 18,000 attendees >Using Burp Suite, the task would take about six hours. I really don'

>the range of valid IDs was between 100000-999999, and there were about 18,000 attendees >Using Burp Suite, the task would take about six hours. I really don't think you should be using Burp Suite for this number of requests. IME You're begging for a crash.