Robtex

Up: 203.117.8.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 203.117.12.0/23
Down right: 203.117.14.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.117.12.4	A	ftpapac.software.dell.com
203.117.12.18	A	mycsisg.org
203.117.12.107	A	web.uc.starhub.com
203.117.12.110	A	uc.starhub.com
203.117.12.132	PTR	atlantic.eworkz.com.sg
203.117.12.132	A	mail.walkercuphistory.com
203.117.12.132	A	walkercuphistory.com
203.117.12.133	A	www.alfalabels.com
203.117.12.135	A	mail.shoponline.sg
203.117.12.140	A	meek.sg
203.117.12.140	A	www.accounting.a2000.net
203.117.12.140	A	96966050.com
203.117.12.144	A	ns1.chiongster.net
203.117.12.144	A	mail.chiongster.net
203.117.12.144	A	www.chiongster.net
203.117.12.150	PTR	pacific.eworkz.com.sg
203.117.12.150	A	www.millennium-chartering.com
203.117.12.150	A	www.haising.com.sg
203.117.12.154	A+PTR	mail2.eworkz.com.sg
203.117.12.154	A	mail.hocen.com.sg
203.117.12.154	A	mail.alloymas.com
203.117.12.183	A	mail.intrinix.com
203.117.12.183	A	dns1.intrinix.net
203.117.12.183	A	www.purchase-net.com
203.117.12.184	A	dns2.intrinix.net
203.117.12.185	A	red-wheel.com
203.117.12.185	A	dns3.intrinix.net
203.117.12.185	A	intrinix.com
203.117.12.188	A	ns1.eworkz.com.sg
203.117.12.188	A	redsea.eworkz.com.sg
203.117.12.189	A	northsea.eworkz.com.sg
203.117.12.189	A	mail.ns2.eworkz.com.sg
203.117.14.195	A	jdpower.com.sg
203.117.15.99	PTR	sipexternal.cmtsp.com.sg
203.117.15.100	PTR	mail1.cmtsp.com.sg
203.117.15.100	A	mail.cmtsp.com.sg
203.117.15.100	A	cmtsp.com.sg
203.117.15.102	PTR	fileserver.cmtsp.com.sg
203.117.15.102	A	smtp2.ipa.com.my
203.117.15.105	A+PTR	www.cmtevents.com
203.117.15.105	A	cmtconferences.com
203.117.15.105	A	cmtconference.com
203.117.15.109	A+PTR	lync.cmtsp.com.sg