MvdV> You conveniently left out the rest of the paragraph:

 MvdV> ====

 MvdV>      This field may also contain the static IP address of an
 MvdV> IP-only node in decimal format with periods replaced with
 MvdV> dashes, and prefixed with a country code of 000.  This method
 MvdV> should only be used in exceptional circumstances, since it
 MvdV> risks conflict with conventional dialling, and is almost
 MvdV> always better to list a fully qualified domain name in a field
 MvdV> that allows it.

 MvdV> ====

 MvdV> It is documented, but NOT recommended!

i do not see anything about "not recommended"...

)\/(ark