Robtex

Up: 203.118.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 203.118.32.0/20
Down right: 203.118.48.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.118.33.2	A+PTR	mx1.oap.com.sg
203.118.33.246	A	*.recruitasia.com
203.118.33.246	A	pakprl.com
203.118.34.194	A	www.sbising.com
203.118.34.194	A	sbising.com
203.118.34.194	A	sbising.sg
203.118.34.203	A	sbising.com
203.118.36.228	A+PTR	mail.eureka.com.sg
203.118.37.50	PTR	omd.com.sg
203.118.37.214	A	mail.uol.com.sg
203.118.37.215	A	ns1.parkroyalhotels.com
203.118.37.215	A	uolcorp.com
203.118.37.215	A	*.novenasquare.com
203.118.38.3	PTR	mail.muvee.com
203.118.38.120	PTR	mail.cyansys.com
203.118.38.120	PTR	mail.cyansys.com.sg
203.118.38.121	A+PTR	mail.iss-hygiene.com.sg
203.118.40.43	A	mail.fernridge.com
203.118.41.200	PTR	webs02.brains.net
203.118.41.203	A	webs06.brains.net
203.118.41.212	A	srv03.passaporto.sg
203.118.41.221	A	mfserver02.maxfusion.com.sg
203.118.41.222	A	mfserver01.maxfusion.com.sg
203.118.41.251	PTR	sincln1.wanhai.com
203.118.41.252	PTR	sincln2.wanhai.com
203.118.42.27	A	mail.masindologistic.com.sg
203.118.42.28	A	dreamcloud.com.sg
203.118.42.41	A	mail.blueweb.com.sg
203.118.42.58	A	server.vespac.com.sg
203.118.42.125	A	pmirl-security.com
203.118.42.140	A	haigangasia.com
203.118.42.156	PTR	metrohm.com.sg
203.118.42.156	A	dns1.metrohm.sg
203.118.42.156	A	mail2.metrohm.sg
203.118.42.166	A	ddnslink.com
203.118.42.249	A	khc.redirectme.net
203.118.43.158	PTR	smtp.hcap-rhq.com.sg
203.118.43.158	A	shangyewpac.com.sg
203.118.43.242	A+PTR	mail.scidomain.org.sg
203.118.43.244	A+PTR	sci-exch.scidomain.org.sg
203.118.43.245	A+PTR	filter.scidomain.org.sg
203.118.44.27	A	adsl01.starhub.net.sg
203.118.46.232	A	mail1.preference.com.sg
203.118.47.1	PTR	apollo.signature-space.com
203.118.48.141	A	genisys.com.sg
203.118.48.141	A	gient.genisys.com.sg
203.118.48.226	A	vpn.asiapac.com.sg
203.118.48.227	A+PTR	secsmtp.asiapac.com.sg
203.118.48.228	PTR	ftp.asiapac.com.sg
203.118.48.228	PTR	solutions.asiapac.com.sg
203.118.48.228	A	vpn.asiapac.com.sg
203.118.48.233	A	asiapacsolutions.com.sg
203.118.49.10	A+PTR	odeconsulting.com
203.118.49.10	PTR	mail.odeconsulting.com
203.118.49.10	PTR	pop.odeconsulting.com
203.118.49.146	A+PTR	mail.zapper.net
203.118.51.98	A	exchange.iclp.com.sg
203.118.51.98	A	mail.iclp.com.sg
203.118.51.115	A+PTR	pop.digisafe.com
203.118.52.114	A	mail.cord.com.sg
203.118.52.122	A	mail.iss-sg.com
203.118.53.1	A	mail1.preference.com.sg
203.118.54.2	PTR	mail.eurogrp.com
203.118.54.5	PTR	mail.amesunited.com
203.118.54.74	A+PTR	mail.ikenet.com.sg
203.118.54.74	A+PTR	mailhost.ikenet.com.sg
203.118.54.74	A	ikenet.com.sg
203.118.54.75	PTR	smtp.ikenet.com.sg
203.118.54.210	PTR	mail.nscsin.com.sg
203.118.55.36	A	mail.globalmaritime.com.sg
203.118.56.118	A	smtp2.jetstarasia.com
203.118.56.122	PTR	jetstarasia.com
203.118.56.123	PTR	jetstarasia.com
203.118.56.123	A+PTR	smtp123.jetstarasia.com
203.118.56.149	A	mx3.e-dchl.com
203.118.56.149	A	mx3.edouardpinaud.com
203.118.56.149	A	mx3.dchl.com.sg
203.118.56.177	PTR	mail.asiantour.com
203.118.56.177	A	mail.myshopglobal.com
203.118.57.0	A	bh-klapstar.gotdns.com
203.118.57.20	A	royalalbatross.info
203.118.57.133	A	singapore.parkroyalhotels.com
203.118.57.204	A	toykar.com
203.118.59.211	PTR	smtpbar.farlingroup.com
203.118.60.18	A	commerce.sg
203.118.60.18	A	wiredbunkering.com.sg
203.118.60.18	A	mail.commerce.com.sg
203.118.60.189	A	webmail.first-insurance.com.sg
203.118.61.36	A+PTR	orchard.oclaner.com
203.118.61.243	PTR	shellexch.shellinfotech.com
203.118.61.243	A	sgshellex01.shellinfotech.com
203.118.61.243	A	mail.shellinfotech.com
203.118.62.107	A	mail.dlplabs.com
203.118.62.107	A	smtp.dlplabs.com
203.118.62.118	A	emm.mcafeesea.com