As there are some recent reports on that IP I would not be surprised if it was not listed in the past:
Report History:
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Submitted: Sunday, January 01, 2006 1:09:59 PM -0500:
Delivery Notification: Delivery has failed
1605667097 ( 195.121.247.10 ) To: abuse[at]planet.nl
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Submitted: Friday, December 30, 2005 5:17:09 PM -0500:
Clubblad 232 - 2005 was mooi, leve 2006
1603953104 (
http://adfarm.mediaplex.com/ad/ck/1346-7100-484... ) To: level3[at]admin.spamcop.net
1603953100 ( Forwarded Spam ) To: [concealed user-defined recipient]
1603953097 ( 195.121.247.10 ) To: spamcop[at]imaphost.com
1603953096 ( 195.121.247.10 ) To: [concealed user-defined recipient]
1603953095 ( 195.121.247.10 ) To: abuse[at]planet.nl
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Submitted: Wednesday, December 28, 2005 9:52:11 AM -0500:
Re: grouup fu_ckk after high scchool exams. nekton
1601108369 ( 195.121.247.10 ) To: abuse[at]planet.nl
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Submitted: Friday, December 23, 2005 9:35:39 AM -0500:
Delivery Notification: Delivery has failed
1596185197 ( 195.121.247.10 ) To: [concealed user-defined recipient]
1596185196 ( 195.121.247.10 ) To: abuse[at]planet.nl