I performed a connection diagnostic and the result is as follows:
Querying target system called:
patch1.playragnarok.com
Attempting to resolve name to IP address...
Name resolved to 128.241.93.38
querying...
TCP port 80 (http service): FILTERED
Querying target system called:
premium-login.1.online.ragnarok.warpportal.net
Attempting to resolve name to IP address...
Name resolved to 128.241.92.162
querying...
TCP port 6800 (unknown service): LISTENING
ftp> open patch1.playragnarok.com
Connected to patch.1.online.ragnarok.warpportal.net.
220 Ragnarok Online Patch Server
331 Anonymous access allowed, send identity (e-mail name) as password.
230-Welcome to the WarpPortal Ragnarok Online Patch Service
Directory has 140,956,217,344 bytes of disk space available.
230 User logged in.
Anonymous login succeeded for Malabag@Malabag-PC
ftp> dir
200 PORT command successful.
125 Data connection already open; Transfer starting.
drwxrwxrwx 1 owner group 0 May 6 2013 aspnet_client
drwxrwxrwx 1 owner group 0 Jun 8 15:58 cpatch
drwxrwxrwx 1 owner group 0 Sep 19 2013 csakpatch
drwxrwxrwx 1 owner group 0 Jun 8 17:14 patch
drwxrwxrwx 1 owner group 0 Apr 12 2013 ro2patch
drwxrwxrwx 1 owner group 0 Jun 7 10:47 sakpatch
226-Directory has 140,956,217,344 bytes of disk space available.
226 Transfer complete.
ftp: 415 bytes received in 0.00Seconds 415.00Kbytes/sec.
ftp> cd patch
250 CWD command successful.
ftp> type binary
200 Type set to I.
ftp> get 2017-03-30data_gm_desc_r2.rgz
200 PORT command successful.
125 Data connection already open; Transfer starting.
226 Transfer complete.
ftp: 1097550 bytes received in 2.45Seconds 447.61Kbytes/sec.
ftp> quit
221 Thank you for using the Ragnarok Online patch service.
Press any key to continue . . .