Robtex

Up: 203.89.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 203.89.16.0/21
Down right: 203.89.24.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.89.22.21	A	ip-89-22-21.sarva.net
203.89.22.25	A	ip-89-22-25.sarva.net
203.89.22.85	A	ip-89-22-85.sarva.net
203.89.22.86	A	ip-89-22-86.sarva.net
203.89.22.87	A	ip-89-22-87.sarva.net
203.89.22.158	A	ip-89-22-158.sarva.net
203.89.22.209	A	ip-89-22-209.sarva.net
203.89.22.210	A	ip-89-22-210.sarva.net
203.89.22.211	A	ip-89-22-211.sarva.net
203.89.22.212	A	ip-89-22-212.sarva.net
203.89.22.245	A	ip-89-22-245.sarva.net
203.89.22.246	A	ip-89-22-246.sarva.net
203.89.22.247	A	ip-89-22-247.sarva.net
203.89.24.1	PTR	ge-0-0-0-1.jkt.datautama.net.id
203.89.24.3	A+PTR	mrtg.datautama.net.id
203.89.24.4	A	ns3.datautama.net.id
203.89.24.16	PTR	ip-24-16.datautama.net.id
203.89.24.34	A+PTR	hosting-01.datautama.net.id
203.89.24.34	PTR	ns1.jkt.datautama.net.id
203.89.24.34	A	solo.datautama.net.id
203.89.24.50	PTR	ip-24-50.datautama.net.id
203.89.24.62	A	mail.trendigital.com
203.89.24.66	PTR	sorikmas.clients.datautama.net.id
203.89.24.67	PTR	ip-24-67.datautama.net.id
203.89.24.115	PTR	ip-24-115.datautama.net.id
203.89.24.130	PTR	ip-24-130.datautama.net.id
203.89.24.147	PTR	ip-24-147.datautama.net.id
203.89.24.161	PTR	ip-24-161.datautama.net.id
203.89.24.227	PTR	ip-24-227.datautama.net.id
203.89.24.241	PTR	ge-0-2-4-1.rmix-jkt.datautama.net.id
203.89.24.243	PTR	ip-24-243.datautama.net.id
203.89.25.6	A	corp-mx.datautama.net.id
203.89.25.6	A	mailx.55dinamika.com
203.89.25.6	A	mailx.tamandayu.com
203.89.25.28	A	mail.budiluhur.net
203.89.25.34	PTR	ip-25-34.datautama.net.id
203.89.25.34	A	jabberku.com
203.89.25.64	PTR	ip-25-64.datautama.net.id
203.89.25.83	PTR	ip-25-83.datautama.net.id
203.89.25.83	A	mail1.softexindonesia.com
203.89.25.83	A	mail2.confidence-adultcare.com
203.89.25.128	PTR	ip-25-128.datautama.net.id
203.89.25.146	PTR	ip-25-146.datautama.net.id
203.89.25.166	A	rotaryana.net
203.89.25.176	PTR	ip-25-176.datautama.net.id
203.89.25.190	A	mail1.indocare.com
203.89.25.194	PTR	ip-25-194.datautama.net.id
203.89.25.194	A	mail.mcs-jkt.com
203.89.25.194	A	mail.pbaglobal.com
203.89.25.208	PTR	ip-25-208.datautama.net.id
203.89.25.212	A	www.docotrans.com
203.89.25.212	A	www.docotrack.com
203.89.25.212	A	pabriksolusi.com
203.89.26.2	PTR	ip-26-2.datautama.net.id
203.89.26.26	A	ns1.datautama.net.id
203.89.26.32	PTR	ip-26-32.datautama.net.id
203.89.26.35	PTR	ip-26-35.datautama.net.id
203.89.26.82	PTR	ip-26-82.datautama.net.id
203.89.26.94	A	hemel-electric.co.id
203.89.26.162	PTR	ip-26-162.datautama.net.id
203.89.27.29	A	mail.limabackup.net
203.89.28.1	PTR	ip-28-1.datautama.net.id
203.89.28.1	A	mail.javagrandis.com
203.89.28.2	A+PTR	mail.samuderashipyard.com
203.89.28.2	A	dns.codificadostv.com
203.89.28.2	A	samuderashipyard.com
203.89.28.172	A	www.lovero.org
203.89.28.194	A	sm.dminputoperations.web.id
203.89.28.222	A	mx2.ast.co.id
203.89.29.32	PTR	ip-29-32.datautama.net.id
203.89.29.98	PTR	stack-controller.datautama.net.id
203.89.29.144	PTR	ip-29-144.datautama.net.id
203.89.29.145	PTR	ip-29-145.datautama.net.id
203.89.29.178	PTR	ip-29-178.datautama.net.id
203.89.29.241	PTR	ip-29-241.datautama.net.id
203.89.29.242	PTR	ip-29-242.datautama.net.id
203.89.30.18	PTR	ip-30-18.datautama.net.id
203.89.30.51	A	ns3.bl.ac.id
203.89.30.52	A	ns4.bl.ac.id
203.89.31.1	PTR	sby-ip-31-1.datautama.net.id
203.89.31.10	A	0.id.pool.ntp.org
203.89.31.11	A	saturnus.datautama.net.id
203.89.31.11	A	smtp.sby.datautama.net.id
203.89.31.12	A	smtp.sby.datautama.net.id
203.89.31.12	A	uranus.datautama.net.id
203.89.31.13	A	0.id.pool.ntp.org
203.89.31.16	PTR	sby-ip-31-16.datautama.net.id
203.89.31.17	PTR	sby-ip-31-17.datautama.net.id
203.89.31.34	PTR	sby-ip-31-34.datautama.net.id
203.89.31.64	PTR	sby-ip-31-64.datautama.net.id
203.89.31.96	PTR	sby-ip-31-96.datautama.net.id
203.89.31.113	PTR	sby-ip-31-113.datautama.net.id