Robtex

Up: 203.153.120.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 203.153.122.0/24
Down right: 203.153.123.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.153.122.36	A+PTR	acpmail.ptdh.co.id
203.153.122.37	A+PTR	smtp.ptdh.co.id
203.153.122.38	A+PTR	mailexc.ptdh.co.id
203.153.122.40	A+PTR	www.ptdh.co.id
203.153.122.40	A	ptdh.co.id
203.153.122.40	A	87.ptdh.co.id
203.153.122.129	A+PTR	ns2.globalcorp.net.id