I have previously attempted to stop the IP listed below in my fw log including a trace and e-mail to the admin tech and abuse e-mail address but nothing has halted or slowed down the attempts to gain access to my computer. does any one have ideas

Event Date Source IP TargetPort
1/27/2003 7:20:05 PM 199.181.135.149 1785 D
1/27/2003 7:19:42 PM 199.181.135.149 1754 D
1/27/2003 7:19:41 PM 199.181.135.149 1736 D
1/27/2003 7:19:35 PM 199.181.135.149 1708 D
1/27/2003 7:19:13 PM 199.181.135.149 1698 D
1/27/2003 7:18:52 PM 199.181.135.149 1691 D
1/27/2003 7:17:56 PM 199.181.135.149 1680 D
1/27/2003 7:17:35 PM 199.181.135.149 1675 D
1/27/2003 7:08:48 PM 199.181.135.149 0
1/27/2003 7:07:58 PM 199.181.135.149 0
1/27/2003 7:07:33 PM 199.181.135.149 1386 D
1/27/2003 6:57:52 PM 199.181.135.149 1278 D
1/27/2003 6:57:31 PM 199.181.135.149 1275 D
1/27/2003 6:47:28 PM 199.181.135.149 1241 D
1/27/2003 6:37:46 PM 199.181.135.149 1217 D
1/27/2003 6:37:25 PM 199.181.135.149 1214 D
1/27/2003 6:27:22 PM 199.181.135.149 1188 D
1/27/2003 6:17:40 PM 199.181.135.149 1166 D
1/27/2003 6:17:19 PM 199.181.135.149 1161 D
1/27/2003 6:07:16 PM 199.181.135.149 1137 D
1/27/2003 5:57:36 PM 199.181.135.149 1112 D
1/27/2003 5:57:16 PM 199.181.135.149 1107 D
1/27/2003 5:47:35 PM 199.181.135.149 1077 D
1/27/2003 5:47:12 PM 199.181.135.149 1072 D
1/27/2003 5:37:09 PM 199.181.135.149 1042 D
1/27/2003 5:27:06 PM 199.181.135.149 4952 D
1/27/2003 5:17:05 PM 199.181.135.149 4836 D
1/27/2003 5:07:03 PM 199.181.135.149 4437 D
1/27/2003 4:57:00 PM 199.181.135.149 4373 D
1/27/2003 4:48:40 PM 199.181.135.149 4025 D
1/27/2003 4:46:58 PM 199.181.135.149 3882 D
1/27/2003 4:36:55 PM 199.181.135.149 3592 D
1/27/2003 4:26:54 PM 199.181.135.149 3138 D
1/27/2003 4:16:52 PM 199.181.135.149 2830 D
1/27/2003 4:06:49 PM 199.181.135.149 2387 D
1/27/2003 3:56:46 PM 199.181.135.149 2239 D
1/27/2003 3:46:43 PM 199.181.135.149 2039 D
1/27/2003 3:36:41 PM 199.181.135.149 1580 D
1/27/2003 3:26:37 PM 199.181.135.149 1554 D
1/27/2003 3:16:34 PM 199.181.135.149 1530 D
1/27/2003 3:06:30 PM 199.181.135.149 1506 D
1/27/2003 2:56:23 PM 199.181.135.149 1482 D
1/27/2003 2:46:20 PM 199.181.135.149 1448 D
1/27/2003 2:36:16 PM 199.181.135.149 1384 D
1/27/2003 2:26:13 PM 199.181.135.149 1147 D