Robtex

Up: 203.126.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 203.126.40.0/23
Down right: 203.126.42.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.126.40.36	A	ntsvr2.bmssin.com.sg
203.126.40.50	A	cat01.concordia-sin.com
203.126.41.99	A	imcshipping.com
203.126.41.99	A	ns2.imcoctave.com
203.126.41.99	A	ns1.imcshipping.com
203.126.41.103	A	mailgateway01.auroratankers.com
203.126.41.104	A	mailgateway02.auroratankers.com
203.126.41.106	A	imcshipping.com
203.126.41.106	A	ns2.imcoctave.com
203.126.41.106	A	imcgroup.info
203.126.41.108	A+PTR	mailgateway01.imcindustrialgroup.com
203.126.41.108	PTR	mailgateway01.imcpaa.com
203.126.41.108	PTR	mailgateway01.imcshipping.com.sg
203.126.41.109	PTR	mailgateway02.imcindustrialgroup.com
203.126.41.109	PTR	mailgateway02.imcpaa.com
203.126.41.109	PTR	mailgateway02.imcshipping.com.sg
203.126.41.115	A	imctaurus2.ewlc.com.sg
203.126.41.115	A	imctaurus2.imcindustrialgroup.com
203.126.41.115	A	imctaurus2.imccorp.com
203.126.41.118	A	imctaurus.fbn-pacasia.org
203.126.41.118	A	imctaurus.imcshipping.com.sg
203.126.41.118	A	imctaurus.imcms.com
203.126.42.172	A	dyndnsslave03.sg.axis.com
203.126.43.1	A+PTR	smtp.tuv-sud.sg
203.126.43.34	A	pcfadfsn.pcf.org.sg
203.126.43.36	A+PTR	mail.pap.org.sg
203.126.43.37	PTR	mail.pcf.org.sg
203.126.43.41	A	pcfu01.pcf.org.sg
203.126.43.61	A+PTR	gw.pcf.org.sg
203.126.43.62	A	gw.pcfu01.pcf.org.sg
203.126.43.82	A+PTR	mx3.rickmers.com
203.126.43.130	A	unimkt.unistrategicevents.com
203.126.43.131	A+PTR	mail.careertraining-intl.com
203.126.43.133	A	marketingunistrategic.com
203.126.43.135	PTR	mail.unilearningworld.com
203.126.43.135	A	mail.unistrategic.com
203.126.43.136	A+PTR	mail.uninetwork-platform.com
203.126.43.137	A	mail3.fdb.com.sg
203.126.43.138	PTR	unimkt.unicareertraining.org
203.126.43.139	A	uni1-globallearning.com
203.126.43.139	A	unimkt.uni1-globallearning.com
203.126.43.141	A+PTR	mail.unilearningworld.com
203.126.43.141	A	unilearningworld.com
203.126.43.142	A	mail.learningsg.com
203.126.43.142	A	learningsg.com
203.126.43.183	PTR	gateway.isktuas.com
203.126.43.187	A	samooha.net