http://bgp.he.net/AS39608#_whois (Lanet Network Ltd. / lanet.ua)
Lanet Network Ltd. / la.net.ua / lanet.ua
sustains the same IP addresses rated up to "very high" amounts of spam during a 30 day period:
www.senderbase.org/lookup/org/?search_string=Lanet%20Network ("very high" amounts of spam during a 30 day period, bottom of page)
AND
www.spamhaus.org/sbl/listings/lanet.ua (malware and spam)
Other:
www.tcpiputils.com/whois-lookup/lanet.kiev.ua (lanet.kiev.ua registrant owner contact is lanet.ua)