Robtex

Up: 203.126.192.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 203.126.192.0/21
Down right: 203.126.200.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.126.192.6	PTR	mx1.wongpartnership.com.sg
203.126.192.8	PTR	mail.wongpartnership.com.sg
203.126.192.34	PTR	mail.davinciasia.com
203.126.192.40	A+PTR	mail.davinciasia.com
203.126.192.40	A	mail.himayaasia.com
203.126.192.102	A	sisdistribution.com.sg
203.126.192.116	PTR	bmail.sis.com.sg
203.126.192.117	PTR	qlsmsvr.qoollabs.com
203.126.192.117	PTR	smtphost1.sis.com.sg
203.126.192.118	A+PTR	sisdsgmail.sisdistribution.com.sg
203.126.192.126	A	www.sisdistribution.com.sg
203.126.192.130	PTR	ns1.tds.sg
203.126.192.130	PTR	ns1.transmarco.sg
203.126.192.130	PTR	tds.com.sg
203.126.192.136	PTR	www.transmarco.com.sg
203.126.192.136	A	tds.com.sg
203.126.192.138	A	smtp.tds.com.sg
203.126.192.161	A+PTR	server.sanchoon.com.sg
203.126.193.163	A+PTR	mail.iaiasia.com.sg
203.126.193.170	A	mardan.com.sg
203.126.193.182	A	mail1.starshipgroup.com.sg
203.126.193.182	A	w3.starshipgroup.com.sg
203.126.193.182	A	jordanko.com
203.126.193.194	PTR	mail.clp.com.sg
203.126.194.4	A+PTR	tc1.ocbc.com
203.126.194.4	A	tc1.ocbc.com.sg
203.126.194.28	A	ocbc.com
203.126.194.28	A	ocbc.com.sg
203.126.194.49	A+PTR	bb.ocbc.com
203.126.194.53	A	www.frankbyocbc.com
203.126.194.53	A	frankbyocbc.com
203.126.194.62	A+PTR	ocbc.com
203.126.194.64	A	ocbc.com.cn
203.126.194.64	A	www.ocbc.com.cn
203.126.194.69	A+PTR	ocbcomaila.ocbc.com
203.126.194.70	A	ocbcomail1a.ocbc.com
203.126.194.80	A	www.iocbcfx.com
203.126.194.80	A	portal.iocbc.com
203.126.194.82	A+PTR	ocbcimail.ocbc.com
203.126.194.82	A	ocbcimail.ocbc.com.sg
203.126.194.83	PTR	ocbcmail1.ocbc.com
203.126.194.96	PTR	smtp.ocbcsec.com
203.126.194.96	A	smtp1a.ocbc-research.com
203.126.194.96	A	smtp1a.ocbcsec.com
203.126.194.98	A	pwomailsg03.ocbc.com
203.126.194.120	A	ocbc.com.my
203.126.194.120	A	ecafe.ocbc.com.my
203.126.194.127	A	ularbukit.ocbc.com
203.126.194.128	A	safemail.ocbc.com
203.126.194.129	A	voltage-pp-0000.ocbc.com
203.126.194.131	PTR	daox.ocbc.com
203.126.194.140	A	helangapi.ocbc.com
203.126.194.167	A	bankofsingapore.com
203.126.194.250	A	www.i-ocbc.com
203.126.195.114	A	mail.rec.sg
203.126.195.115	A	mx1.rec.sg
203.126.195.116	A	mx2.rec.sg
203.126.195.118	A	portal.rec.sg
203.126.195.194	A+PTR	smtp.trumarine.com
203.126.195.194	A+PTR	smtp.trumarine.com.sg
203.126.195.194	A	tmbarracuda.trumarine.com.sg
203.126.195.195	PTR	mail.trumarine.com
203.126.195.195	PTR	mail.trumarine.com.sg
203.126.195.195	A	tru-marine.com
203.126.195.210	A	oceanwall.oceantankers.com.sg
203.126.195.210	A	oceanwall.oceantankers.com
203.126.195.212	A+PTR	oceansmtp.oceantankers.com.sg
203.126.195.212	A	smtp.daichiship.com.sg
203.126.195.213	PTR	oceansmtp1.oceantankers.com.sg
203.126.200.131	PTR	reserved-secondaryrtr-vl168.net.nyu.edu
203.126.200.193	A+PTR	203-126-200-193.nyu.edu.sg
203.126.201.86	A	tmc-sin.com.sg
203.126.201.201	A	www.aeon-prepaidcard.com.hk
203.126.201.245	A	mail.altuslogistics.com
203.126.201.245	A	exch.altusholdings.com
203.126.202.115	A	home-improvement.com.sg
203.126.202.115	A	mail.home-improvement.com.sg
203.126.203.243	PTR	mail.bioa.net
203.126.203.243	PTR	webmail.boonmeng.com.sg
203.126.203.243	A	mail.bexlim.com
203.126.203.250	PTR	exchange.diskprecision.com
203.126.203.250	A	exchange.diskprecision.co.th
203.126.205.248	PTR	mailgate1.techsemicon.com.sg
203.126.207.20	A+PTR	mx1.allamanda.com
203.126.207.20	A+PTR	mx1.angsana.com
203.126.207.20	PTR	mx1.banyantree.com
203.126.207.21	PTR	mx2.allamanda.com
203.126.207.21	PTR	mx2.angsana.com
203.126.207.21	PTR	mx2.banyantree.com
203.126.207.37	A	crm.banyantree.com