A total of 9 sites are hosted on 49.129.255.101.
Here are the first 5 as they would appear when searched for:
www2k.biglobe.ne.jp/~t_muto
(null)
www2q.biglobe.ne.jp/~ooue_h-h
(null)
www2j.biglobe.ne.jp/~tatuta
(null)
www2e.biglobe.ne.jp/~k-tagami
(null)
www2m.biglobe.ne.jp/~ZenTech
(null)
...and the list of the remaining 4:
www2q.biglobe.ne.jp/~hotcake
www2a.biglobe.ne.jp/~qpon
www2b.biglobe.ne.jp/~isao
www2m.biglobe.ne.jp/~saigon