Robtex

Up: 203.125.128.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 203.125.128.0/26
Down right: 203.125.128.64/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.125.128.18	A+PTR	rwsentosa.com
203.125.128.18	A	resort.rwsentosa.com
203.125.128.22	PTR	mx.gentingsingapore.com
203.125.128.22	A+PTR	mx.gigrt.com
203.125.128.22	PTR	mx.gisspl.com
203.125.128.23	A	mx3.sgpconsult.com
203.125.128.24	A+PTR	mx4.gisspl.com
203.125.128.24	A+PTR	mx4.rwsentosa.com
203.125.128.24	PTR	mx4.gigrt.com
203.125.128.25	A+PTR	webmail.rwsentosa.com
203.125.128.25	A	siloso.rwsentosa.com
203.125.128.27	PTR	videos.rwsentosa.com
203.125.128.28	PTR	markburnettasia.com
203.125.128.28	PTR	dns2.markburnettasia.com
203.125.128.28	A+PTR	dns2.rwsentosa.com
203.125.128.29	A+PTR	dns3.rwsentosa.com
203.125.128.30	A	siloso2.rwsentosa.com
203.125.128.33	A+PTR	gentingsingapore.com
203.125.128.33	A+PTR	www.gentingsingapore.com
203.125.128.35	A+PTR	mrm.rwsentosa.com
203.125.128.36	A+PTR	edm.rwsentosa.com
203.125.128.37	PTR	irm.rwsentosa.com
203.125.128.41	PTR	dialin.gentingsingapore.com
203.125.128.41	PTR	lyncdiscover.gentingsingapore.com
203.125.128.41	A+PTR	lyncweb.gentingsingapore.com
203.125.128.42	A	sip.gentingsingapore.com
203.125.128.42	A	sip.rwsentosa.com
203.125.128.44	A	av.rwsentosa.com
203.125.128.45	A+PTR	webconf.gentingsingapore.com
203.125.128.45	A+PTR	webconf.rwsentosa.com