Yuku free message boards

# Najdi.si
195.250.198.44 Mozilla/5.0 (compatible; TridentSpider/3.1)
213.253.92.13 Mozilla/5.0 (compatible; Najdi.si/3.1)
195.250.198.65 Mozilla/5.0 (compatible; TridentSpider/3.1)
213.253.92.15 Mozilla/5.0 (compatible; Najdi.si/3.1)
195.250.198.41 Mozilla/5.0 (compatible; TridentSpider/3.1)
195.250.198.40 Mozilla/5.0 (compatible; TridentSpider/3.1)
213.253.92.14 Mozilla/5.0 (compatible; Najdi.si/3.1)
85.10.36.14 Mozilla/5.0 (compatible; Najdi.si/3.1)

# Slowwwenia.com
217.72.81.132 siBot/siBot-0.1 (www.slowwwenia.com/; info@slowwwenia.com)

# Alexa
64.208.172.174 ia_archiver

I don't know what is this bot and what does it do it has 2 different agents:
62.146.88.114
Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.4) Gecko/20030624
and
Renderer/1.0