Robtex

Up: 203.125.112.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 203.125.120.0/22
Down right: 203.125.124.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.125.120.33	A+PTR	mail.eriks.com.sg
203.125.120.51	A+PTR	mailserver.goldvein.com.sg
203.125.120.51	A	mailserver.goldvein.sg
203.125.120.51	A	mailserver.bonvests.com.sg
203.125.120.52	A	mail.bonvests.com.sg
203.125.120.140	A+PTR	mx.heliosintl.com
203.125.120.140	PTR	mx.nozomitech.com
203.125.120.140	PTR	mx.snwindia.com
203.125.121.26	A+PTR	mail.partech.com.sg
203.125.121.131	A	mail.fintrax.com.sg
203.125.122.19	A+PTR	mail3.sigma3.com.sg
203.125.122.19	A	mail.sigma3server.com
203.125.122.19	A	mail2.sigma3server.com
203.125.122.20	A	kennethtan.com
203.125.122.25	A	mypalengke.com.sg
203.125.122.30	A+PTR	dns5.sigma3.net
203.125.122.30	A	dns3.sigma3.com.sg
203.125.122.30	A	dns3.sigma3.net
203.125.122.79	A	kmobile-uat6.dbs.com.sg
203.125.122.90	A	kmobile-uat5.dbs.com.sg
203.125.122.182	A	inabatasin.inabata.com.sg
203.125.123.18	A+PTR	mail.sysmex-ap.com
203.125.123.18	A	mail.sysmex.com.vn
203.125.123.18	A	mail.sysmex.co.in
203.125.123.34	PTR	mail.brucedunlop.com.sg
203.125.123.138	A+PTR	webmail.chiyoda.com.sg
203.125.123.141	A+PTR	c0322.chiyoda.com.sg
203.125.123.141	A+PTR	mail.chiyoda.com.sg
203.125.123.142	A	www.chiyoda.com.sg
203.125.123.174	A	mx.degussa-pm.sg
203.125.123.227	A	mail.motsmith.com
203.125.123.229	A	pridns.simedarby.com.sg
203.125.124.51	A+PTR	mail.gprcopl.com
203.125.124.67	PTR	mail.sunhuan.com.sg
203.125.124.86	PTR	mail.cellmark.com.sg
203.125.124.87	PTR	mail.sppl.com.sg
203.125.124.115	A	mail.osavalve.com
203.125.124.120	A	mail2.exionasia.com
203.125.124.120	A	owa.exionasia.com
203.125.124.122	PTR	mail.prochem.com.sg
203.125.124.122	A	mx2.prochem.com.sg
203.125.124.123	PTR	mail.prochem.com.sg
203.125.124.123	A	prochem.com.sg
203.125.124.163	A	mx1.fujifhe.com
203.125.125.68	PTR	edfsmtp.manfinancial.com.sg
203.125.126.10	A+PTR	mail.asiaenterprises.com.sg
203.125.126.10	A	mail.asiabeni.com
203.125.126.47	A	mx.lintec.com.sg
203.125.126.146	A	mail.lawkee.com
203.125.126.208	A	kmobile-sit2.dbs.com.sg
203.125.127.108	PTR	owa.transwarelog.com.sg
203.125.127.108	PTR	smtp.transwarelog.com.sg
203.125.127.148	PTR	mail.sccc.org.sg
203.125.127.152	A	sghost.cru.sg
203.125.127.152	A	mail.sccc.org.sg
203.125.127.152	A	*.cru.sg
203.125.127.210	PTR	mail.ap.com.sg
203.125.127.210	A	qbtcontainer.com
203.125.127.219	A+PTR	mail.molsa.com.sg
203.125.127.219	PTR	smtp.molsa.com.sg
203.125.127.219	A	mol-exchange.molsa.com.sg
203.125.127.226	PTR	mail.barnsburry.com.hk
203.125.127.226	A	mail.wilvicholdings.com
203.125.127.226	A	mail.barnsburry.com