seems that it is indeed the same person..
[20:21:40] [join] ExterNatalino has joined the server (42:189.46.78.116)
[20:36:18] [join] ExterNatalino has joined the server (13:189.46.78.116)
[20:44:24] [join] ExterNatalino has joined the server (31:189.46.78.116)
[21:09:38] [join] DeexterPB has joined the server (16:189.46.78.116)
[21:43:59] [join] [ER]yL has joined the server (36:189.46.78.116)
[21:43:59] Banned player [ER]yL (189.46.78.116) tried to connect and was kicked
[23:06:24] [join] [ER]yL has joined the server (14:189.46.78.116)
[23:06:24] Banned player [ER]yL (189.46.78.116) tried to connect and was kicked