Robtex

Up: 203.116.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 203.116.48.0/23
Down right: 203.116.50.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.116.48.35	PTR	macquariepacificstar.com
203.116.48.35	PTR	mmpreit.com
203.116.48.35	PTR	mpsvr4.mmpreit.com
203.116.48.36	PTR	mpsvr3.macquariepacificstar.com
203.116.48.36	PTR	smtp.macquariepacificstar.com
203.116.48.36	PTR	vpn.macquariepacificstar.com
203.116.48.37	PTR	mail.macquariepacificstar.com
203.116.48.37	PTR	mpsvr2.macquariepacificstar.com
203.116.48.37	PTR	ysgexchange.macquariepacificstar.com
203.116.48.50	A	nsgs.launcherasia.sg
203.116.48.57	A	launcherasia.sg
203.116.50.5	A+PTR	sgbulkm01.bergebulk.com
203.116.50.5	A	sgbulkm03.bergebulk.com
203.116.50.5	A	sgbulkm01.bergesenbulk.com
203.116.50.40	A	ads.care2.com
203.116.50.40	A	ravensoftware.com
203.116.50.40	A	kermit.musiciansfriend.com
203.116.50.47	A	n5dscms.akamai.net
203.116.50.48	A	ravensoftware.com
203.116.50.48	A	www.freeglutenallergy.info.com
203.116.50.48	A	telefoonsex9275.dating18.info.com
203.116.50.50	A	a1333.w10.akamai.net
203.116.50.56	A	www.144fw.ang.af.mil.edgesuite.net
203.116.50.56	A	a1460.b.akamai.net
203.116.50.56	A	a2600.x.akamai.net
203.116.50.57	A	ads.care2.com
203.116.50.130	A	dnsvip2.prudential.com.sg
203.116.50.143	A	installstats.beetalkmobile.com
203.116.50.161	A	connsg1.beetalkmobile.com
203.116.50.162	A	connsg1.beetalkmobile.com
203.116.50.191	A	gpushsg1.beetalkmobile.com
203.116.50.197	A	mail.exploit-tech.com
203.116.51.183	A	help.hmail.sg
203.116.51.186	A+PTR	exed01.hmail.sg
203.116.51.187	PTR	exed02.hmail.sg
203.116.51.192	A	mail5.hmail.sg
203.116.51.193	A	secdns.hmail.sg
203.116.51.194	A	pridns.hmail.sg
203.116.51.195	A	mail4.hmail.sg
203.116.51.204	A	t-exed01.hmailcloud.com
203.116.51.226	PTR	smtp.metro.com.sg
203.116.51.226	A	smtp.metrocitybeijing.com
203.116.51.232	A	www.metrocard.com.sg
203.116.51.232	A	metrocard.com.sg
203.116.51.234	A	smtp.metrocard.com.sg