Robtex

Up: 203.153.120.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 203.153.120.0/24
Down right: 203.153.121.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.153.120.17	A+PTR	idc-network.globalcorp.net.id
203.153.120.18	A+PTR	ns1.globalcorp.net.id
203.153.120.18	A	mx.ccfjakarta.or.id
203.153.120.18	A	mxx.institutfrancais-indonesia.com
203.153.120.19	PTR	apps.globalcorp.net.id
203.153.120.19	A	globalcorp.net.id
203.153.120.20	A+PTR	johar.six.or.id
203.153.120.21	PTR	apps.one.net.id
203.153.120.21	A	webmail.mgth.com
203.153.120.21	A	mx.pronotion.co.id
203.153.120.22	A	mail.six.or.id
203.153.120.23	PTR	apps.six.or.id
203.153.120.23	A	mx02.six.or.id
203.153.120.23	A	pwk.six.or.id
203.153.120.24	A	jagowan.six.or.id
203.153.120.28	PTR	zimbra.one.net.id
203.153.120.28	A	mail.one.net.id
203.153.120.28	A	mx.suryadata.co.id
203.153.120.132	A	host120-132.one.net.id
203.153.120.140	PTR	tiksystem-140.one.net.id
203.153.120.144	PTR	tiksystem-144.one.net.id
203.153.120.149	PTR	tiksystem-149.one.net.id
203.153.120.153	PTR	tiksystem-153.one.net.id
203.153.121.1	A+PTR	gw-in-mgth.one.net.id
203.153.121.2	A+PTR	gw-in-mgth.one.net.id
203.153.121.13	A	ip13.one.net.id
203.153.121.14	A	smtp.mkncorp.com
203.153.121.14	A	ip14.one.net.id
203.153.121.18	A+PTR	ns1.one.net.id
203.153.121.18	A	mxx.ifi-id.com
203.153.121.43	PTR	pdsmx04.petrodata-system.com
203.153.121.130	A+PTR	mgth.one.net.id
203.153.121.162	PTR	mx.bakriesumatera.com
203.153.121.163	A+PTR	mx.bakriesumatera.com
203.153.121.163	A	mx.asd-bakrie.com
203.153.121.163	A	mxbsp.indoplantations.com
203.153.121.166	A	host-121.166.one.net.id
203.153.121.167	A+PTR	www.bakriesumatera.com
203.153.121.168	A+PTR	webmail.bakriesumatera.com
203.153.121.170	PTR	webmailmx2.bakriesumatera.com
203.153.121.192	PTR	host-mkn.192.one.net.id
203.153.121.196	A+PTR	host-mkn.196.one.net.id
203.153.121.207	A+PTR	host-mkn.207.one.net.id