Agilent Technologies N1911A Programming Manual page 523

Query
SYSTem:COMMunicate:GPIB[:SELF]:ADDRess? MIN|MAX
The query returns the current setting of the GPIB address or the values
associated with MIN and MAX.
Query Example
SYST:COMM:GPIB:ADDR?
N1911A/1912A P-Series Power Meters Programming Guide
This command queries the setting of the
GPIB address.
SYSTem Subsystem
495
12