LiveJournal pinging weblogs.com?

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Found a link from Technorati: Top 50 Interesting Recent Blogs with Context in my referrers, went to check out the page, and saw a lot of unfamiliar listings with similarly formed titles. On a hunch, I started mousing over and sure enough most of them were LiveJournal blogs.
Is Technorati manually mining LJ or have LJ blogs started pinging?