11.2.03. rogue scanlisteners showing very slow response times in tnsping

In 11.2.03.  I have had 1 or 2 rogue scanlisteners  showing very slow response times in tnsping  of hundreds even thousands  of msec.   So basically scan is there  but very slow

(DESCRIPTION=(ENABLE=BROKEN)(ADDRESS=(PROTOCOL=TCP)(HOST=695.200.102.81)(PORT=1521))(CONNECT_DATA=(SID=MYDBP11)(SERVER=DEDICATED)))

OK (4030 msec)

(DESCRIPTION=(ENABLE=BROKEN)(ADDRESS=(PROTOCOL=TCP)(HOST=695.200.102.82)(PORT=1521))(CONNECT_DATA=(SID=MYDBP11)(SERVER=DEDICATED)))

OK (0 msec)

(DESCRIPTION=(ENABLE=BROKEN)(ADDRESS=(PROTOCOL=TCP)(HOST=695.200.102.80)(PORT=1521))(CONNECT_DATA=(SID=MYDBP111)(SERVER=DEDICATED)))

OK (31820 msec)