Robtex

Up: 203.126.24.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 203.126.24.0/23
Down right: 203.126.26.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.126.24.37	A	dns.apicyamada.com.sg
203.126.24.37	A	apicyamada.com.sg
203.126.24.37	A	www.apicyamada.com.sg
203.126.24.38	A+PTR	mail.apicyamada.com.sg
203.126.24.106	A	ns3.nucleussoftware.com
203.126.24.107	A+PTR	mx3.nucleussoftware.com
203.126.24.125	A	sgmx.nucleussoftware.com
203.126.24.149	A+PTR	mail2.htlinternational.com
203.126.24.149	A	mail1.htlhome.com
203.126.24.149	A	mail.domicilishome.com
203.126.24.242	PTR	www.recaap.org
203.126.24.243	A+PTR	smtp.recaap.org
203.126.24.243	PTR	www.recaap.org
203.126.24.244	A+PTR	vpn.recaap.org
203.126.24.246	A+PTR	mail.recaap.org
203.126.25.16	A	pico.singtel.com
203.126.25.17	A	pluto.singtel.com
203.126.25.147	A+PTR	hlmailsvr.hlbank.com.sg
203.126.25.147	A	hlbank.com.sg
203.126.25.174	A	aemapps.com
203.126.25.236	PTR	oa.ubt.com.sg
203.126.25.237	A+PTR	oa.ubt.com.sg
203.126.25.238	PTR	oa.ubt.com.sg
203.126.26.7	A	mail.ultrimix.com
203.126.26.7	A	ultrimix.com
203.126.26.51	PTR	ipst51.tmesystems.net
203.126.26.51	A	corpweb.tmesystems.net
203.126.26.54	A	www.tmesystems.com.sg
203.126.26.54	A	mail.tmesystems.com.sg
203.126.26.54	A	tmesystems.com.sg
203.126.26.210	A	mail1.starstl.com
203.126.26.225	A	noiselynxwater.com
203.126.27.43	A	jpctmsmail.jurongport.com
203.126.27.44	A	www.jurongportonline.com
203.126.27.45	A	www.jponline.com.sg
203.126.27.45	A	jponline.com.sg
203.126.27.50	A+PTR	mail.insight.com.sg
203.126.27.50	A	mail.jinhuila.com
203.126.27.50	A	insightadjusters.com
203.126.27.54	A+PTR	exchange2010.insight.com.sg
203.126.27.54	A	webmail.insightadjusters.com
203.126.27.54	A	insight.com.sg
203.126.27.60	A	vrschina.com
203.126.27.60	A	vrsinsightadjusters.com
203.126.27.60	A	jinhuila.com