Robtex

Up: 203.81.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 203.81.32.0/20
Down right: 203.81.48.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.81.32.0	PTR	32-81-203.rev.pacific.net.sg
203.81.32.125	A	love125.idc.pacific.net.sg
203.81.33.18	A	ricola.com.my
203.81.33.163	A+PTR	mx.atoffice.pacific.net.sg
203.81.33.168	A+PTR	mx2.atoffice.pacific.net.sg
203.81.33.169	A+PTR	atoffice.pacific.net.sg
203.81.33.169	A+PTR	mail.atoffice.pacific.net.sg
203.81.34.0	PTR	203-81-34-0.revdns.pacificinternet.com
203.81.34.68	A	updates.pacweb.net.sg
203.81.34.101	A	diamond.pacweb.net.sg
203.81.34.102	A	iolite.pacweb.net.sg
203.81.34.104	A	ovms8-ct3-1.pacific.net.sg
203.81.34.105	A	ovms9-ct3-1.pacific.net.sg
203.81.34.151	A	moonstone.pacweb.net.sg
203.81.34.151	A	b09007db.pacweb.net.sg
203.81.34.223	A	ioliteold.pacweb.net.sg
203.81.34.224	A+PTR	diamondold.pacweb.net.sg
203.81.34.227	A+PTR	jade.pacweb.net.sg
203.81.34.230	A	chartered.com.sg
203.81.34.230	A	www.axa-insurance.com.sg
203.81.34.231	A	chartered.com.sg
203.81.35.2	PTR	sfc-sg03.sfcpl.com
203.81.35.13	A	mail.mastercardmoments.com
203.81.35.14	A	pod.org.sg
203.81.35.26	A	antispam.jurong.com
203.81.35.30	A	odyssey.pacweb.net.sg
203.81.35.34	A	anderson.pacweb.net.sg
203.81.35.54	A	globalbrands1.pacweb.net.sg
203.81.35.84	A	wacoal.sg
203.81.35.98	PTR	wos.hlss.com.sg
203.81.35.102	A	logman.pacweb.net.sg
203.81.35.146	A	mykenzen.com.sg
203.81.35.154	A	fw.pacweb.net.sg
203.81.35.166	A+PTR	moops.pacweb.net.sg
203.81.36.0	PTR	203-81-36-0.revdns.pacificinternet.com
203.81.36.2	PTR	vl18.scipk006.pacific.net.sg
203.81.36.5	PTR	vl18.scipk005.pacific.net.sg
203.81.36.10	A	vmw1-gsw.pacnet.net
203.81.36.11	A	vmw2-gsw.pacnet.net
203.81.36.33	A+PTR	smtpgate3.pacific.net.sg
203.81.36.34	PTR	smtpgate3-1.pacific.net.sg
203.81.36.36	PTR	dnsproxy3.pacific.net.sg
203.81.36.42	A+PTR	smtpgate10.pacific.net.sg
203.81.36.42	A	smtpgate3.pacific.net.sg
203.81.36.42	A	smtpgate3-1.pacific.net.sg
203.81.36.84	A+PTR	catalogue4-old.pacific.net.sg
203.81.36.92	A+PTR	dns2.pacific.net.sg
203.81.36.92	A	xn--xkrx9ksw0cruk.cn
203.81.36.92	A	dns2.pacnet.com
203.81.36.255	PTR	203-81-36-255.revdns.pacificinternet.com
203.81.37.122	A	xn--fjqv3srq0b4ka.cn
203.81.37.133	PTR	pacsg.connect.com.sg
203.81.37.133	A	mail.printjunction.com
203.81.37.136	PTR	sg6.hostsoln.com
203.81.37.137	PTR	sg7.hostsoln.com
203.81.37.138	PTR	sg8.hostsoln.com
203.81.37.180	A	ns2.franslay.net
203.81.37.194	PTR	ns1.rp.com.sg
203.81.37.195	PTR	ns2.rp.com.sg
203.81.37.196	PTR	ns2.rp.com.sg
203.81.37.200	PTR	mail.nortechs.com.sg
203.81.37.202	A	tiger.hw247.com
203.81.37.233	A	tas.staero.aero
203.81.37.245	PTR	mail.powerwebbing.com
203.81.37.251	A	dellpartnerasia.com
203.81.37.254	A	mail.marcomhub.com
203.81.37.254	A	*.marcomhub.com
203.81.38.4	A	pop.i-tyre.com
203.81.38.4	A	smtp.i-tyre.com
203.81.38.8	A	secdns.8toinfinity.com.sg
203.81.38.8	A	ns2.8toinfinity.com
203.81.38.34	PTR	eustance.enodns.com
203.81.38.34	A	gstrea.com
203.81.38.34	A	labuanshipyard.com
203.81.38.153	A	mail3.snix.net
203.81.38.154	A	snix.info
203.81.38.154	A	snix.org
203.81.38.163	A	ns1.8.to
203.81.38.164	A	ns2.8.to
203.81.38.171	A	paperconnections.com.sg
203.81.38.171	A	kose.com.sg
203.81.38.200	PTR	mail.vooju.com
203.81.38.210	A+PTR	sqtbl1.pacweb.net.sg
203.81.38.211	A	sqtbl2.pacweb.net.sg
203.81.38.212	A	sqtbl3.pacweb.net.sg
203.81.38.226	PTR	jobconnect.com.sg
203.81.38.228	PTR	jobsfactory.com
203.81.39.39	PTR	mail.vooju.com
203.81.39.225	PTR	ns1.efair.sg
203.81.39.226	PTR	mail.crejob.com
203.81.39.226	A	cambridgereim.com
203.81.39.226	A	cambridgeipm.com
203.81.39.228	PTR	www.efair.sg
203.81.40.12	PTR	echo3.sembcorp.com.sg
203.81.40.14	PTR	echo4.sembcorp.com.sg
203.81.40.60	A	middleeastinsurancereview.com
203.81.40.77	PTR	mx01.rach.com.sg
203.81.40.103	PTR	mail.chc.org.sg
203.81.40.163	A	mail.sgssg.com
203.81.40.196	PTR	mail.itconnectsystems.com
203.81.40.196	A	mail2.bticonsultants.com
203.81.40.200	PTR	mail4.itconnectsystems.com
203.81.41.2	A+PTR	cat29-pas-a10.pacific.net.sg
203.81.41.76	PTR	server528.3inetwork.net
203.81.41.78	A	emamashop.com
203.81.41.79	PTR	email.3ii.com
203.81.41.79	A	mail.veeco.com.cn
203.81.41.142	A	ftp.justlogin.com
203.81.41.143	A	pop.scciob.edu.sg
203.81.41.143	A	pop3.sccci.org.sg
203.81.41.143	A	mail.viriya.org.sg
203.81.41.167	A	dc-59361f36.gamekrowd.com
203.81.41.167	A	ns1.guatlo.com
203.81.41.167	A	ns1.sembuddy.com
203.81.41.169	PTR	wnvtoa.worldnetvisions.com
203.81.41.195	A	mail2.mohsengcranes.com
203.81.41.195	A	*.mohsengcranes.com
203.81.41.195	A	structuredcapital.sg
203.81.41.198	A	mail.goggle.biz
203.81.41.242	PTR	vinylmedia.com
203.81.42.209	A	access-metals.com
203.81.42.210	A	cwasia.com
203.81.42.210	A	www.cwasia.com
203.81.43.50	A	prmarine.com.sg
203.81.43.51	PTR	elite.web-economy.com
203.81.43.52	PTR	exodus2.netdns.net
203.81.43.52	A	bbg.co.nz
203.81.43.93	A	stinis.com.sg
203.81.43.93	A	ulfpettersson.com
203.81.43.93	A	pictureworks.sg
203.81.43.148	A	vcs.imajet.net
203.81.43.150	A	corpvideo.pacific.net.sg
203.81.43.196	PTR	www.vietnamworks.com
203.81.43.196	A	vnprojectjob.com
203.81.43.197	PTR	edu.vietnamworks.com
203.81.44.78	PTR	cfmail.chainfusion.com
203.81.44.147	A	kendallexecutive.com
203.81.44.162	PTR	cat29-pas-a9.pacific.net.sg
203.81.44.162	PTR	cat29-pas-a9.idc.pacific.net.sg
203.81.44.163	PTR	cat29-pas-a11.pacific.net.sg
203.81.44.164	PTR	styx.pagn.net
203.81.44.188	A	games.pacific.net.sg
203.81.44.194	A	marinasquare.com.sg
203.81.44.199	A	middleeast-parkway.com
203.81.44.199	A	parkway-middleeast.com
203.81.44.199	A	marinasquare.sg
203.81.44.226	PTR	rincewind.fragnetics.com
203.81.44.227	PTR	lulu.fragnetics.com
203.81.44.228	PTR	gargamel.fragnetics.com
203.81.44.229	PTR	weatherwax.fragnetics.com
203.81.45.1	PTR	edison2.pacific.net.sg
203.81.45.9	PTR	smtp.ronkaufman.com
203.81.45.10	PTR	mw-ssc-st-1.pacfusion.com
203.81.45.11	PTR	mw-ssc-st-2.pacfusion.com
203.81.45.14	A	edno.pacweb.net.sg
203.81.45.15	A	smtp.eservices.a-star.edu.sg
203.81.45.15	A	bsf.a-star.edu.sg
203.81.45.22	A	datolite.pacweb.net.sg
203.81.45.43	A	www.asiapapermarket.com
203.81.45.43	A	vitalsolutions.com.sg
203.81.45.66	A+PTR	woodstock.pacweb.net.sg
203.81.45.67	A+PTR	peony.pacweb.net.sg
203.81.45.73	A+PTR	iridium.pacweb.net.sg
203.81.45.74	A	update.pacweb.net.sg
203.81.45.129	PTR	vlan8.idc.pacific.net.sg
203.81.45.134	PTR	edison3.pacific.net.sg
203.81.45.135	PTR	idggw.idc.pacific.net.sg
203.81.45.150	A	fesen.pims.pacific.net.sg
203.81.45.178	PTR	freeman.pims.pacific.net.sg
203.81.45.182	PTR	fourier.pims.pacific.net.sg
203.81.45.186	PTR	fleming.pims.pacific.net.sg
203.81.45.190	A+PTR	furion-c5.pims.pacific.net.sg
203.81.45.198	A+PTR	mail.genesys.pacweb.net.sg
203.81.45.200	PTR	ptp200-sembcorp.idc.pacific.net.sg
203.81.45.201	PTR	ptp201-sembcorp.idc.pacific.net.sg
203.81.45.202	PTR	ptp202-sembcorp.idc.pacific.net.sg
203.81.45.225	PTR	ovms2-ct3-2.pacific.net.sg
203.81.45.226	A+PTR	ovms3-ct3-2.pacific.net.sg
203.81.45.227	PTR	ovms4-ct3-2.pacific.net.sg
203.81.45.228	PTR	ovms8-ct3-2.pacific.net.sg
203.81.45.238	A	mail.cgs.sg
203.81.45.238	A	*.cgs.sg
203.81.45.242	A	ftatit.pims.pacific.net.sg
203.81.46.20	PTR	pansfw.pan-abrasives.com
203.81.46.21	PTR	mail.pan-abrasives.com
203.81.46.21	PTR	pansgmail.pan-abrasives.com
203.81.46.21	PTR	pop3.pan-abrasives.com
203.81.46.44	PTR	mansgmqsmtp.manfinancial.com.sg
203.81.46.101	PTR	ttsgr5.tatatechnologies.com.sg
203.81.46.102	PTR	ttsgweb.tatatechnologies.com.sg
203.81.46.103	PTR	ttplex.tatatechnologies.com.sg
203.81.46.152	A	mail.wangdeming.com
203.81.46.152	A	mail.sapthaswaram.com
203.81.46.173	A	fishingouting.com
203.81.46.173	A	mail.directmmo.com
203.81.46.174	A	*.sgberjangka.com
203.81.46.174	A	www.sgberjangka.com
203.81.46.213	PTR	mail.litespeed.com.sg
203.81.46.218	PTR	mail1.litespeed.com.sg
203.81.46.234	PTR	wnv002pl.worldnetvisions.com
203.81.46.234	A	anthomi.com.sg
203.81.46.234	A	www.autospliceasia.com.sg
203.81.46.235	PTR	wnv003pl.worldnetvisions.com
203.81.46.236	PTR	wnv021pl.worldnetvisions.com
203.81.47.20	A	selenium.pacweb.net.sg
203.81.47.32	A	boulder.pacweb.net.sg
203.81.47.58	PTR	fujifilm.com.sg
203.81.47.69	PTR	ns2.limelitesolutions.com
203.81.47.70	A	opal.pacweb.net.sg
203.81.47.70	A	octopustravel.com.ph
203.81.47.76	A	alstron.cn
203.81.47.84	A	phosphate.pacweb.net.sg
203.81.47.103	A	dv2.wallstraits.com
203.81.47.108	A	itmartsingapore.com
203.81.47.109	A	mail.kingleymachinery.com
203.81.47.111	A	dns1.sgserver.com
203.81.47.156	PTR	rahman.maxinfo.com.sg
203.81.48.77	A	interport.com.sg
203.81.48.77	A	world-closer.net
203.81.48.77	A	world-closer.com
203.81.48.138	A	seafco.com.sg
203.81.48.142	A	typhoon.gigenetasia.com
203.81.48.144	A	voyager.gigenetasia.com
203.81.48.145	A	chronicle.gigenetasia.com
203.81.48.169	A	dns3.corelayer.net
203.81.50.2	PTR	ns3.cxrus.net
203.81.50.46	PTR	teamlabpoc.cxrus.com
203.81.50.138	A	www.8toinfinity.net
203.81.50.138	A	8toinfinity.net
203.81.50.171	A	ns2.cimbclicks.com.sg
203.81.50.201	A	cymulacrum.net
203.81.50.205	A	yangfreight.com
203.81.50.205	A	kanebo-sg.net
203.81.52.155	PTR	ns1494.ztomy.com
203.81.53.4	A	www.pqs-engr.com
203.81.53.5	A	www.pqs-engr.com
203.81.53.14	A	mail.nlbconference.com
203.81.53.14	A	drmartens.com.sg
203.81.53.38	A	ourchoice.biz
203.81.53.38	A	ara.com.hk
203.81.53.38	A	ourchoice.net
203.81.53.46	A	gakuse.com
203.81.53.83	A	ns1.registerevent.com
203.81.53.86	A	ns2.registerevent.com
203.81.53.90	A	mail.aifms.com
203.81.53.99	PTR	ns2.dfinehub.net
203.81.53.99	A	ns1.btlights.com
203.81.53.99	A	ns2.cowinabox.com
203.81.53.103	PTR	ns1.dfinehub.net
203.81.53.194	PTR	ps.nic.net.sg
203.81.53.194	PTR	ws.nic.net.sg
203.81.53.226	PTR	jasonthefrog.com
203.81.53.227	PTR	mirror.wired2win.biz
203.81.53.227	A	imedeen.com.my
203.81.53.229	A	simplypentaxyl.com
203.81.54.39	A	antispam.luxasia.com
203.81.54.39	A	cleanmail-04-01-service.mailranger.com
203.81.54.68	A	www.sato-int.com
203.81.54.68	A	*.barcodesato.com
203.81.54.68	A	barcodesato.com
203.81.54.70	A	www.rgmi.com
203.81.55.3	A	kaichi.com.sg
203.81.55.3	A	stone-consultant.com
203.81.55.4	A	pop.subway.sg
203.81.55.4	A	mail.coloasia.com
203.81.55.33	PTR	unknown.8toinfinity.com.sg
203.81.55.33	A	ns1.yello.com.sg
203.81.55.33	A	mail.yello.com.sg
203.81.55.132	PTR	ns2.faithost.com
203.81.55.153	A	asol.vmtechsolutions.biz
203.81.55.156	A	hammermail.com
203.81.55.161	PTR	server.themeetinglab.com
203.81.55.201	PTR	jireh.com.sg
203.81.56.48	PTR	evolutionreg.com
203.81.56.66	PTR	gaming.bizwebasia.com
203.81.56.66	A	*.thundercity.org
203.81.56.66	A	irc.thundercity.org
203.81.56.70	PTR	www.bizwebhost.com.au
203.81.56.72	PTR	sg.bizwebasia.com
203.81.56.98	PTR	qc.singhealth.com.sg
203.81.56.238	A	mail.alumexalliancegroup.com
203.81.56.238	A	mail.2elms.com.sg
203.81.56.238	A	pop.sichuandouhua.com
203.81.58.190	A+PTR	cat29-pas-f4.pacific.net.sg
203.81.58.196	PTR	panpacific-email.com
203.81.58.196	A	starwoodprivileges.com
203.81.60.130	A	survey.nokia-asia.com
203.81.60.163	PTR	mail.readyserver.net
203.81.60.173	PTR	leadership-solutions.com.sg
203.81.60.226	PTR	mail.data.com.sg
203.81.60.233	PTR	mail.fil.com.sg
203.81.61.10	A	*.gmsasiapacific.com
203.81.61.10	A	gms-webmail1.gmsasiapacific.com
203.81.61.10	A	mail2.premierclubhotels.com
203.81.61.18	A	developers.sg
203.81.61.98	PTR	mail.vmail.org
203.81.61.98	A	*.theyaps.com
203.81.61.98	A	theyaps.com
203.81.61.106	PTR	wm.ufinity.com
203.81.61.163	A	mx.great2fly.com
203.81.61.163	A	mail.hrpremium.com
203.81.61.164	A	hrpremium.com
203.81.61.226	A+PTR	compart.pacweb.net.sg
203.81.61.227	A+PTR	compart2.pacweb.net.sg
203.81.62.83	A	ctlclaw.com.sg
203.81.62.83	A	mailcurrent.org
203.81.62.83	A	aluminiumgrill.com.sg
203.81.62.118	A	rdns1.expertvm.com
203.81.63.226	A	cat29-com-honeywell.pacific.net.sg
203.81.63.227	A	cat29-com-noc.pacific.net.sg
203.81.63.228	A	cat29-pas-a1.pacific.net.sg
203.81.63.233	A	cat29-pas-b3.pacific.net.sg