GV$LISTENER_NETWORK definition in Oracle Database 11.2
GV$LISTENER_NETWORK
SELECT
INST_ID, -- INST_ID NUMBER
KMMNVNET, -- NETWORK VARCHAR2(256)
KMMNVTYP, -- TYPE VARCHAR2(64)
KMMNVVAL -- VALUE VARCHAR2(1024)
FROM
X$KMMNV
ORDER BY
KMMNVNET,
KMMNVTYP,
KMMNVVAL