Robtex

Up: 203.193.0.0/16
Can't show all results, try to descend to a more specific CIDR
Down left: 203.193.0.0/18
Down right: 203.193.64.0/18
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.193.1.75	A	access.asia.aptiv.com
203.193.1.75	A	access.asia.delphi.com
203.193.7.29	A	smtp.asiaweek.com
203.193.9.2	PTR	ns2.arrowasia.com
203.193.9.2	A	mail.arrowasia.net
203.193.9.183	A	www.crystalgroup.com
203.193.9.190	A	hkgins01.crystalgroup.com
203.193.14.33	A	mfilter.it-school.net
203.193.15.8	A	email.hk.bureauveritas.com
203.193.15.9	A	email2.hk.bureauveritas.com
203.193.17.141	PTR	843.ge-0-1-0.gw7.hkg2.alter.net
203.193.21.5	PTR	ns1.asiabroadcast.tv
203.193.21.5	A	ns1.skycable.tv
203.193.21.6	PTR	ns2.asiabroadcast.tv
203.193.21.6	A	r2d2.asiabroadcast.tv
203.193.21.7	A+PTR	ftp.asiabroadcast.tv
203.193.21.8	PTR	mrtg.asiabroadcast.tv
203.193.21.8	A	mail.asiasatix.com
203.193.22.20	A	mailgate.naxos.com
203.193.22.21	A	mailgate2.naxos.com
203.193.22.221	A	naxosspokenwordradio.com
203.193.26.2	A	ns2.arrowasia.com
203.193.26.50	A	access.hk.arrow.site
203.193.27.2	A	mail.chinalawpractice.com
203.193.27.5	A	mail.ipprofiles.com
203.193.28.133	A	mail.siwavesystem.com
203.193.28.133	A	mail.southmc.com
203.193.28.188	A	dentallab.me
203.193.28.189	A	fgl9999.com.cn
203.193.29.2	PTR	ns2.axalto.com
203.193.29.2	A	mailrelay2.e-trustport.com
203.193.29.3	PTR	hkg-su-06.hong-kong.axalto.com
203.193.31.132	A	arsenic.dsgil.com
203.193.33.70	A	www.stryker.com.hk
203.193.33.80	A	nrgregistry.com
203.193.33.150	A+PTR	belenus.richemont.com
203.193.33.151	A+PTR	icarus.richemont.com
203.193.33.154	A	ns2.richemont.com
203.193.36.123	PTR	birdland-hk.com
203.193.36.194	A	hkgw1.pbworld.com
203.193.36.201	A	asremoteaccess.onepb.net
203.193.37.148	A	smtp.phiten.hk
203.193.37.148	A	ns.phiten.hk
203.193.37.149	A	ns4.ericgrp.com
203.193.37.149	A	www.3jetso.com
203.193.39.86	A	ips-global.com
203.193.39.86	A	www.ips-global.com
203.193.39.87	A	www.ips-report.com
203.193.39.87	A	ips-report.com
203.193.41.98	A+PTR	hkhqexc01.hysan.com.hk
203.193.41.98	A	mail01.seasonsbyolivier.com
203.193.41.98	A	mail.hysanplace.com.hk
203.193.41.118	PTR	www.hysan.com.hk
203.193.43.166	A	mail7.applicamail.com
203.193.43.226	A	v-port.com
203.193.45.45	A	owtel.com.hk
203.193.45.45	A	owtel.ca
203.193.45.45	A	www.owtel.ca
203.193.45.46	A	ww2.owtel.com
203.193.46.5	A+PTR	ltahkgw2k3ex02.intertek.com
203.193.46.5	A	itshkg01e02.itslabtest.com
203.193.46.9	A	intertek-labtest.com
203.193.46.19	A	linkproofns2.intertek-labtest.com
203.193.47.44	A	52xianjian.com
203.193.47.53	A	gpssun.com
203.193.47.133	A	smtp3.cartierboutiques.com
203.193.48.2	A+PTR	mail.jaeger-poway.com
203.193.49.67	A+PTR	tlsmail2.herbertsmith.com
203.193.49.72	A	ns1.herbertsmith.com
203.193.50.66	PTR	mail.techmerge.com
203.193.50.130	A+PTR	mail2.sml.com
203.193.50.130	A	dns1.smlmis.com
203.193.50.131	A	www.sml.com
203.193.50.131	A	sml.com
203.193.51.40	A	mail.uli-usa.com
203.193.52.135	PTR	hk.mrspedag.com
203.193.53.198	A	vlswarehousing.net
203.193.53.198	A	vls-innovateur.net
203.193.53.198	A	dcl-global.net
203.193.56.50	A	mail.marketo.com.hk
203.193.56.50	A	mail.businesspaceasia.com
203.193.58.8	A+PTR	ipvexe11.pinsentmasons.com
203.193.58.8	A	exe.pinsentmasons.com
203.193.58.25	PTR	smtphk2.lvmh-group.com
203.193.58.26	A	smtphk.lvmh-group.com
203.193.58.34	PTR	ap.cushwake.com
203.193.58.118	A	mx.ue400.com
203.193.59.215	PTR	mail.hk.sumida.com
203.193.60.149	A	jasonmok.com
203.193.60.150	PTR	mailserver2.hale.com.hk
203.193.61.74	A	lairdmeeting.com
203.193.62.58	A	a-bilbrough.com.hk
203.193.62.170	PTR	mail.eidealink.com
203.193.72.2	PTR	openwave.com
203.193.72.3	PTR	openwave.com
203.193.72.128	PTR	openwave.com
203.193.83.9	A	mx1.apple-jobseekers.com
203.193.83.10	A	mx2.apple-jobseekers.com
203.193.92.138	A	mail.polyenzyme.com
203.193.95.4	PTR	sw.hk.nyklogistics.com
203.193.95.5	A	mail.yusen-logistics.com.hk
203.193.95.8	A	mail.ocshkg.com
203.193.100.28	A	www.hshgroup.com
203.193.100.45	A	fcs.lexmark.com
203.193.100.59	A	aab.zh.cn.arvato.contentmanagerhk.e-loreal.com
203.193.100.61	A	www.shuuemura.com.cn
203.193.100.143	A	owenscorning.com.cn
203.193.100.143	A	www.owenscorning.com.cn
203.193.100.143	A	finefiberbm.com
203.193.101.30	A	slim-smtp-hk.shangri-la.com
203.193.101.37	A	secure.shuuemura.com.tw
203.193.101.39	A	slmailprd.shangri-la.com
203.193.101.42	A	secure.kiehls.com.tw
203.193.101.155	A	www.inoa.hk
203.193.103.7	PTR	hksxmsw01.hongkong.allenovery.com
203.193.106.86	PTR	ecs.santaferelo.com
203.193.106.86	PTR	www.santaferelo.com
203.193.106.86	PTR	ecs.santafe.com.hk
203.193.106.177	A	leekumkee.us
203.193.106.177	A	lkkhome.com
203.193.106.177	A	leekumkee.cn
203.193.106.225	PTR	hkmail.lkk.com
203.193.106.241	PTR	gateway.lkk.com
203.193.108.99	A	ttgp.com.hk
203.193.108.100	A+PTR	mail.ttgp.com.hk
203.193.108.100	A	mail.ultrashieldpro.com
203.193.108.100	A	mail.northamericanbuildersdepot.com
203.193.109.37	PTR	mail2.gcglobal.com
203.193.111.27	A	smtp-hk.ipigroup.com
203.193.116.85	A	itandyou.net
203.193.119.230	A	mail2.ibahealth.com
203.193.119.230	A	mail2.isofthealth.com
203.193.122.201	PTR	mail.donnakaran.com.hk
203.193.124.194	A	techretrieve.com
203.193.124.195	A	loadcachedbalancer.com
203.193.124.199	A	countadstats.com