SQL> select utl_inaddr.get_host_name(‘8.8.8.8‘) from dual;
UTL_INADDR.GET_HOST_NAME(‘8.8.8.8‘)
--------------------------------------------------------------------------------
google-public-dns-a.google.com
SQL> select utl_inaddr.get_host_name(‘10.80.18.210‘) from dual;
select utl_inaddr.get_host_name(‘10.80.18.210‘) from dual
*
ERROR at line 1:
ORA-29257: host 10.80.18.210 unknown
ORA-06512: at "SYS.UTL_INADDR", line 4
ORA-06512: at "SYS.UTL_INADDR", line 35
ORA-06512: at line 1
SQL> select utl_inaddr.get_host_name(‘10.80.19.210‘) from dual;
select utl_inaddr.get_host_name(‘10.80.19.210‘) from dual
*
ERROR at line 1:
ORA-29257: host 10.80.19.210 unknown
ORA-06512: at "SYS.UTL_INADDR", line 4
ORA-06512: at "SYS.UTL_INADDR", line 35
ORA-06512: at line 1