[105-112:~] boxley% nslookup 67.28.94.193
Server: ns2.tampabay.rr.com
Address: 65.32.1.80

Name: dialup-67.28.94.193.Dial1.SaintLouis1.Level3.net
Address: 67.28.94.193
boxley% nslookup 67.28.91.103
Server: ns2.tampabay.rr.com
Address: 65.32.1.80

Name: dialup-67.28.91.103.Dial1.SaintLouis1.Level3.net
Address: 67.28.91.103
definately from STL so you could report abuse as needed.
thanx,
bill