Robtex

Up: 121.52.60.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
121.52.61.9	PTR	smtp-corp.xl-temporary103.net.id
121.52.61.9	A+PTR	smtp-corp.xl.net.id
121.52.61.33	PTR	xmail1.xl.net.id
121.52.61.34	PTR	xmail2.xl-temporary103.net.id
121.52.61.34	A+PTR	xmail2.xl.net.id
121.52.61.34	A	xmail.xl.net.id
121.52.61.35	PTR	xmail1.xl-temporary103.net.id
121.52.61.35	A+PTR	xmail1.xl.net.id
121.52.61.35	A	xmail.xl.net.id
121.52.61.39	PTR	smtp-corp1.xl-temporary103.net.id
121.52.61.39	A+PTR	smtp-corp1.xl.net.id
121.52.61.39	A	smtp-corp.xl.net.id