That's wrong! I don't know how you got that wrong, but it is wrong!
His next edit with the anon IP was less than an hour after his previous one as DrBat: he WAS editing while banned with that IP

See http://en.wikipedia.org/w/index.php?title=Zatanna&action;=history
Less than an hour after the ban for 3RR got made User:DrBat started editing with User:200.162.245.104 again!

2005-12-10 18:21:12 DrBat (why?) - http://en.wikipedia.org/w/index.php?title=Zatanna&oldid;=30840103
2005-12-10 19:13:44 200.162.245.104 - http://en.wikipedia.org/w/index.php?title=Zatanna&oldid;=30845