A total of 8 sites are hosted on 52.69.138.206.
Here are the first 5 as they would appear when searched for:
twicolle.jp/user/slayjetty
(null)
twicolle.jp/user/yonepo665
(null)
twicolle.jp/user/l_o_v_e_momo
(null)
twicolle.jp/user/gulugoo
(null)
...and the list of the remaining 3:
twicolle.jp/user/yucchiy_
twicolle.jp/user/_calico_cat_
twicolle.jp/user/nicechoice00