There is an ongoing outage on the primary CPAN mirror. It is possible to work around the issue by using MetaCPAN as a mirror.

# WebService::Hatena::BookmarkCount Changes

2006/10/15 (0.06)
    * supports bookmark.getTotalCount method.
      http://hatena.g.hatena.ne.jp/hatenabookmark/20061004/1159944160

2006/05/21 (0.05)
    * allows more than 50 URLs on a call.

2006/02/26 (0.04)
    * first version released.

# http://www.kawa.net/works/perl/hatena/bookmarkcount.html