Worse yet, it bans an innocent down the line.
DHCP is used by all the big guys, and all you have to do is wait for your IP lease to expire, which normally lasts 3 days. So, on average, you're lease is up in 1 and 1/2 days from banning. Make sure your router is off when the lease expires, and instant new IP address.
If you're in a hurry, plug in your spare router, or use the MAC address spoofer built in to all decent routers now, and you'll instantly have a new IP address, guaranteed. It's guaranteed because your old router's MAC address still has the lease on the banned IP, so it's impossible to get it assigned to the spare router (or the original router with the spoofed MAC address).
I forget what the spoofing is actually called in the routers, but it's so you can swap in a new router, using the old one's mac address, and not have to call up tech support if your ISP requires MAC registration.
And if your ISP does require MAC registration, you're still almost certain to get a new IP address when transferring your MAC registration. The bigger your ISP, the more certain you are of getting a new IP. And if you want to use the original router with the MAC tied to the Banned IP, just call back in a couple of days and tell them to transfer again.
End result, ditching a banned IP address is trivial to the vast majority of internet users.
Edited by Suicidal Idiot, 09 May 2012 - 01:07 AM.
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