Robtex

Up: 203.161.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 203.161.16.0/21
Down right: 203.161.24.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.161.22.4	PTR	static22-4.uninet.net.id
203.161.22.17	PTR	static22-17.uninet.net.id
203.161.22.35	PTR	static22-35.uninet.net.id
203.161.22.48	PTR	static22-48.uninet.net.id
203.161.22.64	PTR	static22-64.uninet.net.id
203.161.22.131	PTR	static22-131.uninet.net.id
203.161.22.160	PTR	static22-160.uninet.net.id
203.161.22.210	PTR	static22-210.uninet.net.id
203.161.22.242	PTR	static22-242.uninet.net.id
203.161.23.1	PTR	static23-1.uninet.net.id
203.161.23.1	A	hotspot.uninet.net.id
203.161.23.19	PTR	static23-19.uninet.net.id
203.161.23.19	A	galvakami.com
203.161.23.100	A	postmail.musashi.co.id
203.161.23.142	A	office.sespi.co.id
203.161.23.147	A+PTR	office.g-tim.co.id
203.161.23.147	A	g-tim.co.id
203.161.23.147	A	5860814.700niu.com
203.161.23.205	A	www.ithacaresources.com
203.161.23.205	A	ithacacoal.com
203.161.23.205	A	ithacaresources.com
203.161.23.219	A	www.musashi.co.id
203.161.23.221	A	postmail.musashi.co.id
203.161.23.221	A	musashi.co.id
203.161.23.242	PTR	static23-242.uninet.net.id
203.161.23.242	A	office1.ttmi.co.id
203.161.23.254	A	cemani-toka.co.id
203.161.23.254	A	tokai-texprint.co.id
203.161.23.254	A	mail.cmksi.co.id
203.161.24.1	A+PTR	ns1.tus.net.id
203.161.24.3	PTR	static24-3.uninet.net.id
203.161.24.5	A	mx.tus.net.id
203.161.24.12	A	tus.net.id
203.161.24.29	A	ns1.japenansi.co.id
203.161.24.29	A	ns1.indopac.co.id
203.161.24.29	A	ns1.interperdana.co.id
203.161.24.52	A	mx1.acehardware.co.id
203.161.24.53	A	mx2.kawanlamaretail.com
203.161.24.53	A	mx2.acehardware.co.id
203.161.24.53	A	qmailb.kawanlamaretail.com
203.161.24.83	A	imap.iki.co.id
203.161.24.83	A	tificomail.tifico.co.id
203.161.24.194	PTR	static24-194.uninet.net.id
203.161.24.194	A	www.abdaonline.com
203.161.24.195	A	mailho.kawanlama.com
203.161.24.196	A	imadesukadana.com
203.161.24.196	A	mail.kawanlamasejahtera.com
203.161.25.1	A	ns2.tus.net.id
203.161.25.4	PTR	static25-4.uninet.net.id
203.161.25.4	A	ipeka.or.id
203.161.25.15	A	trustmark.id
203.161.25.52	A	mx1.acehardware.co.id
203.161.25.59	A	mail.ipeka.or.id
203.161.25.65	PTR	static25-65.uninet.net.id
203.161.25.67	PTR	static25-67.uninet.net.id
203.161.25.67	A	iics.sch.id
203.161.25.179	PTR	static25-179.uninet.net.id
203.161.27.58	PTR	static27-58.tus.net.id
203.161.27.58	A	osiris.webcenter.co.id
203.161.27.58	A	datacenter.co.id
203.161.30.0	PTR	net-server.sby.uninet.net.id
203.161.30.1	A+PTR	ns1.sby.uninet.net.id
203.161.30.1	A	ns1.bintangmas.co.id
203.161.30.1	A	ns1.tusnet.id
203.161.30.2	PTR	ns2.sby.uninet.net.id
203.161.30.2	A	30.161.203.in-addr.arpa
203.161.30.3	PTR	mail.sby.uninet.net.id
203.161.30.3	A	noc.sby.uninet.net.id
203.161.30.4	A	ns1.bintangmas.co.id
203.161.30.5	A	www.ptpn-x.co.id
203.161.30.12	A	smtp.sby.uninet.net.id
203.161.30.35	PTR	gate.sby.uninet.net.id
203.161.30.60	A	mx-1.petrokayaku.co.id
203.161.30.60	A	petrokayaku.co.id
203.161.30.66	A+PTR	mail.nav.co.id
203.161.30.142	A	smtp.ptpn10.co.id
203.161.30.142	A	mx-1.ptpn10.co.id
203.161.30.157	A	agungabadi.com
203.161.30.157	A	etukuo.com
203.161.30.187	A	mx-1.puterarackindo.co.id
203.161.30.187	A	mail.puterarackindo.co.id
203.161.30.187	A	carding-life.ru
203.161.30.204	A	mail.rexplast.co.id
203.161.30.251	A	www.ditlantasjatim.info
203.161.30.251	A	ditlantasjatim.info
203.161.30.251	A	mail.lantas.jatimpolri.net
203.161.31.18	PTR	mx.ptpn10.co.id
203.161.31.18	A	ptpn10.com
203.161.31.18	A	www.ptpn-x.co.id
203.161.31.19	PTR	webhost10.sby.uninet.net.id
203.161.31.19	A	atm28.net
203.161.31.114	PTR	ip31-114.sby.uninet.net.id
203.161.31.114	A	smk1smn.sch.id
203.161.31.234	A	mail.sealineasiapacific.com
203.161.31.241	PTR	ip31-241.sby.uninet.net.id
203.161.31.241	A	ns1.ts-solusindo.id
203.161.31.242	PTR	ip31-242.sby.uninet.net.id
203.161.31.242	A	smtp.sby.uninet.net.id
203.161.31.244	A	smtp.sby.uninet.net.id
203.161.31.245	A	smtp.sby.uninet.net.id
203.161.31.245	A	noc.sby.uninet.net.id
203.161.31.246	A	smtp.sby.uninet.net.id