CentOS – copy old website files to new location

wget --mirror ftp://user:password@oldIPaddress/

or
wget --mirror -nH -P /path/to-download-folder --user=username --password='password' ftp://website.com

-nH = does not create the parent directory using the host name from original source, it website.com.
-P /path = where you want the files to go to