Robtex

Up: 203.127.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 203.127.16.0/22
Down right: 203.127.20.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.127.16.60	A	ns1.utac.com.sg
203.127.16.65	A	lc3.gomax.gov.sg
203.127.16.70	A	mmavsp1p.wideip.gomax.gov.sg
203.127.16.71	A	mmavpn01p.wideip.gomax.gov.sg
203.127.16.90	PTR	mail.tanchintuan.com
203.127.16.90	PTR	mail.tecity.com.sg
203.127.16.246	A	primarnd.com.sg
203.127.16.246	A	theprimagroup.com
203.127.16.246	A	prima.com.sg
203.127.16.251	A	mail.senghong.com
203.127.16.254	A	truesingaporecuisine.com
203.127.16.254	A	primataste.com.cn
203.127.16.254	A	primamix.sg
203.127.18.66	A	mail.scania.com.sg
203.127.19.18	A	mercury.cdlhotels.com.sg
203.127.19.22	PTR	millenniumhotels.com
203.127.19.22	PTR	mail.ceslimited.com
203.127.19.22	PTR	sghqex01.millenniumhotels.com
203.127.19.35	PTR	www.amerex.com.sg
203.127.19.50	A	itssgn01e01.itslabtest-sin.com
203.127.19.50	A	itslabtest-sin.com
203.127.19.68	A+PTR	acts.evangel.org.sg
203.127.19.70	A+PTR	www.evangel.org.sg
203.127.19.70	A	evangel.org.sg
203.127.19.70	A	www.evangel.sg
203.127.19.72	A	yellowren.com
203.127.19.73	A	evangeltokyo.org
203.127.19.73	A	evangeltokyo.net
203.127.19.74	A	trinitycg.net
203.127.19.134	A+PTR	mailx1.csit.gov.sg
203.127.19.168	A	email.bvh.org.sg
203.127.19.172	A	webmail.bvh.org.sg
203.127.19.241	A	ustrouter.ust.com.sg
203.127.19.242	A	ustnt01.ust.com.sg
203.127.19.247	A	smtp.ust.com.sg
203.127.20.4	A	gslb-ccb.singaporeair.com
203.127.20.4	A	gslb-ccb.silkair.com
203.127.20.17	A	singapore-airlines.dk
203.127.20.17	A	sqtravelagent.com.sg
203.127.20.17	A	singaporeair.com.my
203.127.20.28	A	sqtravelagent.co.nz
203.127.20.97	PTR	www.childreninsingapore.com
203.127.20.97	A+PTR	www.agencies.com.sg
203.127.20.97	PTR	www.aquaras.com.sg
203.127.20.200	PTR	marketingim.singtel.com
203.127.20.240	A	stock2store.optus.com.au
203.127.22.23	A	webmail.realu.com
203.127.22.69	A+PTR	usgmx7.sg.utacgroup.com
203.127.23.17	A	express.singtel.com
203.127.23.18	A	singtel.sg
203.127.23.18	A	ns1.wavee.com
203.127.23.18	A	ns0.wavee.com
203.127.23.38	A	info.singtel.com
203.127.23.53	A	marketplace.singtel.com
203.127.23.53	A	mail.thtlogistics.com
203.127.23.62	A	web.bizportal.singtel.com
203.127.23.76	A	vmb.bizportal.singtel.com
203.127.23.78	A	onepass.id.singtel.com
203.127.23.109	A	six.sg
203.127.23.149	A	ig-stg.singtel.com
203.127.23.149	A	myportal.singtel.com
203.127.23.166	A	sip.singtel.com
203.127.23.168	A	mail.singtel.com
203.127.23.243	A	rewards.singtel.com