ProFTPD issues

# Working server

Status:	Connecting to 94.174.130.219:21...
Status:	Connection established, waiting for welcome message...
Response:	220 ProFTPD 1.3.4a Server (Debian) [::ffff:192.168.5.4]
Command:	USER humroben
Response:	331 Password required for humroben
Command:	PASS *********
Response:	230 User humroben logged in
Command:	OPTS UTF8 ON
Response:	200 UTF8 set to on
Status:	Connected
Status:	Retrieving directory listing...
Command:	PWD
Response:	257 "/home/humroben" is the current directory
Command:	TYPE I
Response:	200 Type set to I
Command:	PASV
Response:	227 Entering Passive Mode (94,174,130,219,233,207)
Command:	MLSD
Response:	150 Opening ASCII mode data connection for MLSD
Response:	226 Transfer complete
Status:	Directory listing successful
Status:	Disconnected from server

# Problematic Server

Status:	Connecting to 94.174.130.219:55001...
Status:	Connection established, waiting for welcome message...
Response:	220 ProFTPD 1.3.4a Server (Citypaine-Data) [::ffff:192.168.5.5]
Command:	USER humroben
Response:	331 Password required for humroben
Command:	PASS *********
Response:	230 User humroben logged in
Command:	OPTS UTF8 ON
Response:	200 UTF8 set to on
Status:	Connected
Status:	Retrieving directory listing...
Command:	PWD
Response:	257 "/" is the current directory
Command:	TYPE I
Response:	200 Type set to I
Command:	PASV
Response:	227 Entering Passive Mode (192,168,5,5,192,163).
Status:	Server sent passive reply with unroutable address. Using server address instead.
Command:	MLSD
Error:	The data connection could not be established: ECONNREFUSED - Connection refused by server
Error:	Connection timed out
Error:	Failed to retrieve directory listing