go
124x37x158x3.ap124.ftth.ucom.ne.jp point to 124.37.158.3.

124x37x158x3.ap124.ftth.ucom.ne.jp
a records
 
+ 124.37.158.3 124.36.0.0/14 AS17506 -
+ --- -
ip numbers of host
124.37.158.3
ptrs of ip numbers
124x37x158x3.ap124.ftth.ucom.ne.jp
hostnames sharing ip with a-records
124x37x158x3.ap124.ftth.ucom.ne.jp