Robtex

Up: 203.126.144.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 203.126.152.0/22
Down right: 203.126.156.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.126.152.3	A	smtp.khattarwong.com
203.126.152.4	A	mail.khattarwong.com
203.126.152.4	A	owa.khattarwong.com
203.126.152.5	A	smtp1.khattarwong.com
203.126.152.22	A	mail.mccsingapore.com
203.126.152.22	A	mail.mccsingapore.sg
203.126.152.22	A	mccsingapore.sg
203.126.152.26	PTR	sentry01.seagullgroup.net
203.126.152.26	A	vpn.seagullgroup.net
203.126.152.29	PTR	mail.seagullgroup.net
203.126.152.29	A	webmail.seagullgroup.com.sg
203.126.152.29	A	mail.seagullgroup.com.sg
203.126.152.135	A	sg.anz.com
203.126.152.136	A	anz3ds-acs.anz.com.sg
203.126.152.137	A	anz3ds.anz.com.sg
203.126.153.18	A+PTR	po.kwanyong.com.sg
203.126.153.32	PTR	mail.wh-im.com
203.126.153.34	A+PTR	mail.wh-im.com
203.126.153.34	A	email.nimoicapital.com
203.126.153.136	A	mail3.wcs-global.com
203.126.153.138	A	mail.wilmar.com.ph
203.126.153.150	A+PTR	mail.wilmar.com.sg
203.126.154.178	A	ns1.bankofsingapore.com
203.126.154.179	A+PTR	stamford.bankofsingapore.com
203.126.154.182	A	key.bankofsingapore.com
203.126.155.34	A+PTR	aimscomm.probulk.com.sg
203.126.155.34	PTR	www.probulk.com.sg
203.126.155.82	PTR	dns.jade.com.sg
203.126.155.82	A	jade.com.sg
203.126.156.44	A	www.vwpartners.com
203.126.156.148	A+PTR	mail.hartley.sg
203.126.156.148	A	hartley.sg
203.126.156.162	PTR	mail.biz3mail.com
203.126.156.162	A	biz3mail.com
203.126.156.162	A	stockbazzar.com
203.126.156.218	PTR	mail.tshysnergy.com.sg
203.126.156.218	A	mail.tshsynergy.com.sg
203.126.157.86	A	im.internationalsos.com
203.126.157.90	A	autodiscover.internationalsos.com
203.126.157.150	A+PTR	mail.indoguna.com.sg
203.126.157.151	A	www.greengrocer.com.sg
203.126.157.151	A	greengrocer.com.sg
203.126.157.228	PTR	mail.kctex.com.sg
203.126.157.228	A	smtp2.kctex.com.sg
203.126.158.15	A	outmail2.senokopower.com.sg
203.126.158.60	A+PTR	dns1.kaplan.com.sg
203.126.158.60	PTR	www.kaplan.com.sg
203.126.158.60	A	kaplansg.tv
203.126.158.61	A+PTR	dns2.kaplan.com.sg
203.126.158.62	A	www.kaplan.edu.sg
203.126.158.200	A+PTR	smtp1.amtek.com.sg
203.126.158.200	A	amtek-europe.com.cz
203.126.158.201	A+PTR	smtp2.amtek.com.sg
203.126.158.201	A	smtp5.interplex.com
203.126.159.27	A	apsgpweb.mfap.com.au
203.126.159.42	A+PTR	www.centralstar.com.sg
203.126.159.42	A	centralstar.com.sg
203.126.159.98	A+PTR	mail.sconce.com
203.126.159.98	A	mail.sconcesolutions.com
203.126.159.98	A	email.sconcesolutions.com
203.126.159.130	A	office.osgdc.org
203.126.159.133	A+PTR	mail.osgdc.org
203.126.159.140	A	osgdc.org
203.126.159.215	PTR	mail.lighthouse.sg
203.126.159.215	A+PTR	mail.sebrinaholdings.com
203.126.159.215	PTR	mail.naruma.sg