I'm not going to abuse this myself, but at MIT you can create seemingly-unlimited @mit.edu email addresses using Moira. Getting a bunch of fresh IPs might be t

I'm not going to abuse this myself, but at MIT you can create seemingly-unlimited @mit.edu email addresses using Moira. Getting a bunch of fresh IPs might be trickier, but you could probably wander around different WiFi access points, use the CSAIL OpenStack installation, or maybe just renew a DHCP lease a bunch. User-agents a easy to find and change with a browser extension (or scripting).