Sorry, I didn't have much hope for a reply, because a lot of them were down.
The parts which are down are:
Nekomonogatari Ep1 Part1
Nekomonogatari_Shiro_04 Part1
Nekomonogatari_Shiro_05 Part1
Nekomonogatari_Shiro OP and ED
Nekomonogatari_Shiro Commentary
Kabukimonogatari_01 Part 1...