Robtex

Up: 203.174.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 203.174.32.0/22
Down right: 203.174.36.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.174.33.14	A	mxob74.web-123.com
203.174.33.35	A+PTR	utaxhk.com.hk
203.174.33.35	A	mail.utaxhk.com.hk
203.174.33.73	PTR	b073.ifcip.hld.com
203.174.33.73	A	mail2.hld.com
203.174.33.88	PTR	b088.ifcip.hld.com
203.174.33.88	A	ns04.garethtam.com
203.174.33.112	PTR	b112.ifcip.hld.com
203.174.33.112	A	smtp21.hld.com
203.174.33.112	A	hld.com
203.174.33.113	A	smtp22.hld.com
203.174.33.134	PTR	ceex2k7edge.chineseestates.com
203.174.33.134	A	smtp.chineseestates.com
203.174.33.141	A	perfectworld.com.hk
203.174.33.242	A+PTR	mail.kdc.com.hk
203.174.33.243	A+PTR	mail1.polytecgroup.com
203.174.33.243	PTR	kdc.com.hk
203.174.33.243	A	kdc.hk
203.174.33.250	PTR	kdc.com.hk
203.174.34.10	A	vpn.hk.verint.com
203.174.34.37	A+PTR	3437.abchk.net
203.174.34.38	A+PTR	3438.abchk.net
203.174.34.39	A	3439.abchk.net
203.174.34.43	PTR	3443.abchk.net
203.174.34.43	A	cosmosgain.com.hk
203.174.34.43	A	luichunto.com
203.174.34.48	PTR	3448.abchk.net
203.174.34.48	A	www.townhouse.com.hk
203.174.34.48	A	www.puresun.org
203.174.34.49	PTR	3449.abchk.net
203.174.34.50	PTR	3450.abchk.net
203.174.34.56	PTR	3456.abchk.net
203.174.34.56	A	dragon6.abchk.com
203.174.34.56	A	rdluniform.com
203.174.34.57	PTR	3457.abchk.net
203.174.34.58	PTR	3458.abchk.net
203.174.34.68	PTR	ip68.bahk.hk
203.174.34.68	A	www.cjsc.com.hk
203.174.34.68	A	cjsc.com.hk
203.174.34.70	PTR	ip70.bahk.hk
203.174.34.70	A	ns3.cjsc.com.hk
203.174.34.130	A	g-link.com.hk
203.174.34.130	A	*.engineeringletter.com
203.174.34.130	A	telelink.com.hk
203.174.34.133	PTR	ns133.newsbook.net
203.174.34.137	PTR	ns102.newsbook.net
203.174.34.138	A	mericintl.com
203.174.34.138	A	ghiasports.com.cn
203.174.34.138	A	www.ccifcpa.com
203.174.34.144	A	fll.com.hk
203.174.34.145	A	hkscandal.com
203.174.34.147	PTR	ns28.newsbook.net
203.174.34.147	A	ttf.com.hk
203.174.34.150	A	www.xn--oyro19e.com
203.174.34.153	A	teamwisepower.com.hk
203.174.34.158	PTR	uhom.net
203.174.34.158	A	cstudy.com
203.174.34.158	A	www.cstudy.com
203.174.34.173	A	sdk.gameone.com
203.174.34.194	PTR	ipsearch.ipd.gov.hk
203.174.34.194	A	iponline.ipd.gov.hk
203.174.35.70	A	century21fanling.com
203.174.35.70	A	www.century21saikungproperty.com
203.174.35.70	A	c21-hk.com
203.174.35.202	PTR	mx1.csg-int.com
203.174.36.11	A	mail.suntechcircuits.com
203.174.36.26	PTR	yesstyle.com
203.174.36.34	A	mail.cpphk.com
203.174.36.38	A	mail.aptexgarment.com
203.174.36.66	A	bentley.focus-global.com
203.174.36.66	A	ns2.focus-global.com
203.174.36.66	A	ns2.newyaohan.com
203.174.36.67	A	workshop.focus-global.com
203.174.36.101	A	mail.lynnshk.com
203.174.36.101	A	lynnsjm.com
203.174.36.101	A	mail.hj-dragonchina.com
203.174.36.118	PTR	mail.samwoo-group.com
203.174.36.118	A	mail2.samwoo-group.com
203.174.36.118	A	mail.aafoundationgroup.com
203.174.36.149	A	edm.hkma.com
203.174.36.154	A	smtp2.hkma.com
203.174.36.155	A	smtp.hkma.com
203.174.36.158	A	hkma-nt3.hkma.org.hk
203.174.36.181	A	*.cccmmwc.edu.hk
203.174.36.181	A	www.cccmmwc.edu.hk
203.174.36.181	A	www2.cccmmwc.edu.hk
203.174.36.183	A	esda.cccmmwc.edu.hk
203.174.36.248	A	ns5.kgieworld.com
203.174.37.15	A+PTR	smtp1.hk.mizuho-sc.com
203.174.37.51	A	w777bet.com
203.174.37.52	A	f2.helisoft.net
203.174.37.58	A	f3.helisoft.net
203.174.37.87	A	baiduhs.net
203.174.37.114	PTR	mail.cmbi.com.hk
203.174.37.117	A	ns1.cmbi.com.hk
203.174.37.118	A+PTR	mail.cmbi.com.hk
203.174.37.119	A	webmail.cmbi.com.hk
203.174.37.125	A+PTR	mail.cmbintl.com
203.174.37.131	A	schroders.co.kr
203.174.37.131	A	schroder.co.kr
203.174.37.132	A	schroders.cn
203.174.37.132	A	schroder.cn
203.174.37.179	A	smtp.pacbridgepartners.com
203.174.37.182	A	mail.pacbridgepartners.com
203.174.37.198	A	gs2.yomiuri.co.jp
203.174.37.198	A	gs2.ris-asia.com
203.174.37.198	A	gs2.reuterspwm.com
203.174.37.207	A	www.reuterspwm.com
203.174.37.208	A	thaidw.com
203.174.37.225	A	www.thaidw.com
203.174.37.225	A	warrants.com.sg
203.174.37.225	A	www.mqwarrants.co.th
203.174.37.236	A	mds1a.trkd-hs.com
203.174.37.249	A	mympfchoice.com
203.174.38.6	A	mail.moongateworks.com
203.174.38.6	A	hondesign.com
203.174.38.6	A	rexchb.com
203.174.38.90	A	suntophk.com
203.174.38.90	A	skywalk.mobi
203.174.38.94	PTR	mail.vm-sync.com
203.174.38.154	A	www.autoedit.com.hk
203.174.38.202	A	unityinvest.com
203.174.38.206	PTR	mail.fesco.hk
203.174.38.206	A	ex.superbtalent.com
203.174.38.206	A	ex.listcopro.com
203.174.38.218	A	mail.siuon.com
203.174.38.250	A	owa.opsc.com.hk
203.174.39.38	PTR	mail.yeepo.com
203.174.39.60	A	mail.29600000.com
203.174.39.73	A+PTR	mail.apexins.com
203.174.39.73	A	apexpet.com.hk
203.174.39.73	A	ns1.apexins.com
203.174.39.84	A	mail2.oceanpark.com.hk
203.174.39.88	A	gtrade.info
203.174.39.147	PTR	fesco.hk
203.174.39.147	A+PTR	mail.fesco.hk
203.174.39.179	A	www.pcfb.org.hk
203.174.39.179	A	pcfb.org.hk
203.174.39.180	A	mail.pcfb.org.hk
203.174.39.202	A	*.synfaith.com
203.174.39.202	A	mail.synfaith.com
203.174.39.202	A	c250amg.com
203.174.39.228	A	ea-dg.com.ph
203.174.39.228	A	xn--jlq158c0ye1x3b.com
203.174.39.228	A	earthasia.com.hk
203.174.39.230	PTR	ea-dg.com