Robtex

Up: 203.126.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 203.126.52.0/23
Down right: 203.126.54.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.126.52.98	A	pridns.chosen.com.sg
203.126.52.148	A	staedc.com
203.126.52.148	A	i-mae.com
203.126.53.67	A+PTR	ychgroup2.ych.com
203.126.53.68	A	maildistpk.ych.com
203.126.53.72	PTR	mx1.sg.ych.com
203.126.53.73	A	tx3a.y3technologies.com
203.126.53.73	A	tx3a.ych.com
203.126.53.73	A	wx3a.y3technologies.com
203.126.53.77	PTR	sfmail3.ych.com
203.126.53.77	PTR	mx3.sg.ych.com
203.126.53.77	A	mx1.sg.ych.com
203.126.53.80	PTR	smtp.ychsystems.com
203.126.53.80	A	mx2.sg.ych.com
203.126.53.80	A	mx1.sg.ychsystems.com
203.126.53.83	A	www.ych.com
203.126.53.85	A	web12.ych.com
203.126.53.96	A	rfidtalker.com
203.126.53.102	A+PTR	mx2.sg.ych.com
203.126.53.112	A	www.ych.com
203.126.53.112	A	ych.com
203.126.53.115	A	ych.com
203.126.53.117	PTR	mx1.sg.ychsystems.com
203.126.53.117	A	appsmail.ychsystems.com
203.126.53.118	A	y3technologies.com
203.126.53.118	A	y3technologies.net
203.126.53.118	A	www.y3technologies.com
203.126.53.122	A	prod.y3technologies.com
203.126.53.130	A	uicdns2.uicacs.com
203.126.53.133	A	uictech.com.sg
203.126.53.134	A	uicdns3.uicacs.com
203.126.53.146	A	singland.com.sg
203.126.53.151	A	mol-logistics.com.sg
203.126.53.151	A	www.mol-logistics.com.sg
203.126.53.154	A	www.kwanloongoil.com
203.126.53.155	A	smtp.uicacs.com
203.126.53.155	A	smtp1.uictech.com.sg
203.126.53.155	A	smtp.uictech.com.sg
203.126.53.161	A	ftp.uicacs.com
203.126.53.169	A	www.uicacspl.com
203.126.53.169	A	uicacspl.com
203.126.53.170	A	smtp.uicacspl.com
203.126.53.209	A	mitsui-chem.com.sg
203.126.53.216	A	mx01.mitsui-chem.com.sg
203.126.54.2	A+PTR	mail.nox.com.sg
203.126.54.2	PTR	mail.tnshs.com.sg
203.126.54.6	PTR	mail.nox.com.sg
203.126.54.69	A+PTR	mail02.lbbwsg.com
203.126.54.70	PTR	mail.lbbwsg.com
203.126.54.70	PTR	po.lbbwsg.com
203.126.54.70	PTR	mail.banking.com.sg
203.126.54.71	A+PTR	pridns.lbbwsg.com
203.126.54.71	A+PTR	pridns.banking.com.sg
203.126.54.71	PTR	pridns.lbbwsg.com.sg
203.126.54.75	A+PTR	mail01.lbbwsg.com
203.126.54.75	A	mail01.lbbwvn.com
203.126.54.75	A	mail01.lbbwin.com
203.126.54.91	A+PTR	mail.chinaconstruction.com.sg
203.126.54.202	A+PTR	ns1.ecranes.com.sg
203.126.54.203	PTR	ns2.ecranes.com.sg
203.126.54.214	PTR	mxsmtp.tathong.com.sg
203.126.54.222	A	tathong.com.sg
203.126.54.226	A	mail.ccb.com.sg
203.126.54.230	A	secmx.ccb.com.sg
203.126.54.233	A+PTR	mail1.ccb.com.sg
203.126.54.234	A+PTR	mail2.ccb.com.sg
203.126.54.241	A	secmx1.ccb.com.sg
203.126.54.243	A	secmx2.ccb.com.sg
203.126.55.101	A+PTR	sgnote03.komatsu.com.sg
203.126.55.106	A+PTR	test.komatsu.com.sg
203.126.55.108	A+PTR	sgsmtp1.komatsu.com.sg