This object contains the IP address of the associated
port in either 32-bit IPv4 format or 128-bit IPv6
format.
When this object contains a IPv4 address, the leftmost
96 bits (12 bytes) should contain
x'00 00 00 00 00 00 00 00 00 00 FF FF'. The IPv4
address should be present in the rightmost 32 bits.
Note that the value of this object is the IP address
value that is received in the GS3 message Register
IP address (Port) RIPP_ID. It is not validated against
any IP address format.