Robtex

Up: 203.185.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 203.185.56.0/22
Down right: 203.185.60.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.185.56.37	A	mail.cyberport.corp.com.hk
203.185.56.37	A	bbmail.com.hk
203.185.56.37	A	mail.cyberport.com.hk
203.185.56.38	A	mail.cyberport.corp.com.hk
203.185.56.38	A	bbmail.com.hk
203.185.56.38	A	mail.cyberport.com.hk
203.185.56.40	A+PTR	mtai11.zpub.incnets.com
203.185.56.40	A	mx1.cyberport.corp.com.hk
203.185.56.40	A	mail.bbmail.com.hk
203.185.56.41	PTR	mtai12.zpub.incnets.com
203.185.56.41	A	mx1.cyberport.corp.com.hk
203.185.56.41	A	mail.bbmail.com.hk
203.185.56.48	PTR	203185056048.static.ctinets.com
203.185.56.48	A	bbmail.com.hk
203.185.56.49	PTR	203185056049.static.ctinets.com
203.185.56.49	A	bbmail.com.hk
203.185.56.50	PTR	203185056050.static.ctinets.com
203.185.56.50	A	mail.bbmail.com.hk
203.185.56.51	PTR	mtai12n.zpub.incnets.com
203.185.56.51	A	mail.bbmail.com.hk
203.185.56.132	A	203185056132.static.ctinets.com
203.185.56.151	A	mcdwifi.y5zone.net
203.185.56.151	A	hotspot4.y5zone.net
203.185.56.152	PTR	203185056152.static.ctinets.com
203.185.56.152	A	wifi5.hkbn.net
203.185.56.156	A	www.y5zone.net
203.185.57.6	A	203185057006.res.dyn.ctinets.com
203.185.57.16	A+PTR	203185057016.res.dyn.ctinets.com
203.185.57.88	A	203185057088.res.dyn.ctinets.com
203.185.57.146	PTR	203185057146.res.dyn.ctinets.com
203.185.57.207	A	203185057207.res.dyn.ctinets.com
203.185.57.210	A	paulwong2003.com
203.185.57.233	A	mail.dark-lord.net
203.185.57.233	A	dark-lord.net
203.185.57.233	A	www.dark-lord.net
203.185.58.41	PTR	203185058041.res.dyn.ctinets.com
203.185.58.100	A	203185058100.res.dyn.ctinets.com
203.185.59.86	A	chinahongkonglimo.com
203.185.59.86	A	www.chinahongkonglimo.com
203.185.60.3	PTR	203185060003.static.ctinets.com
203.185.60.3	A	insolhk.com
203.185.60.4	A+PTR	203185060004.static.ctinets.com
203.185.60.10	A+PTR	203185060010.static.ctinets.com
203.185.60.10	A	mail.yflimited.com
203.185.60.10	A	*.yflimited.com
203.185.60.34	PTR	203185060034.static.ctinets.com
203.185.60.34	A	bunhoi.com
203.185.60.34	A	mail.bunhoi.com
203.185.60.37	A	mail3.mailbox-demo.com
203.185.60.50	A+PTR	203185060050.static.ctinets.com
203.185.60.62	A	203185060062.static.ctinets.com
203.185.60.70	A	shiquline.com
203.185.60.97	A+PTR	203185060097.static.ctinets.com
203.185.60.97	A	ns2.cyberage.com.hk
203.185.60.98	A	mail.chinfung.com
203.185.60.98	A	mail.degrando.com.hk
203.185.60.106	PTR	203185060106.static.ctinets.com
203.185.60.106	A	hkctu.org.hk
203.185.60.109	A	smtp.cyberage.com.hk
203.185.60.121	A+PTR	203185060121.static.ctinets.com
203.185.60.121	A	toys1628.com
203.185.60.121	A	tc-toys.com
203.185.61.1	PTR	203185061001.static.ctinets.com
203.185.61.1	A	ns1.skynet.com.hk
203.185.61.2	PTR	203185061002.static.ctinets.com
203.185.61.2	A	ns2.skynet.com.hk
203.185.61.3	A	ws.skynet.com.hk
203.185.61.4	A+PTR	sbsrv.skynet.com.hk
203.185.61.31	A	203185061031.static.ctinets.com
203.185.61.127	A+PTR	203185061127.static.ctinets.com
203.185.61.129	A+PTR	203185061129.static.ctinets.com
203.185.61.137	PTR	203185061137.static.ctinets.com
203.185.61.137	A	hantecgroup.com.hk
203.185.61.137	A	ehantec.com
203.185.61.142	A	mail.josdemo.com
203.185.61.157	A+PTR	203185061157.static.ctinets.com
203.185.61.191	A+PTR	203185061191.static.ctinets.com
203.185.61.196	A+PTR	203185061196.static.ctinets.com
203.185.61.196	A	www.alltronics.com.hk
203.185.61.196	A	alltronics.com.hk
203.185.61.207	A+PTR	203185061207.static.ctinets.com
203.185.61.224	A+PTR	203185061224.static.ctinets.com
203.185.61.228	A	203185061228.static.ctinets.com
203.185.61.230	PTR	203185061230.static.ctinets.com
203.185.61.230	A	mail.leeport.com.hk
203.185.61.230	A	mail.mitutoyoleeport.com.hk
203.185.61.232	A+PTR	mailgate.leeport.com.hk
203.185.61.232	A	mailgate.mitutoyoleeport.com.hk
203.185.62.4	PTR	203185062004.static.ctinets.com
203.185.62.30	A	ns3.nsze.net
203.185.62.66	A	203185062066.static.ctinets.com
203.185.62.72	A	203185062072.static.ctinets.com
203.185.62.88	A+PTR	203185062088.static.ctinets.com
203.185.62.89	PTR	203185062089.static.ctinets.com
203.185.62.89	A	myclickmedia.com
203.185.62.89	A	myclickcn.com
203.185.62.103	A	203185062103.static.ctinets.com
203.185.62.138	PTR	203185062138.static.ctinets.com
203.185.62.138	A	halewinner.com
203.185.62.138	A	www.kcp.hk
203.185.62.172	A	jreg100.com
203.185.62.173	A	gs919.com
203.185.62.173	A	203185062173.static.ctinets.com
203.185.62.177	A+PTR	203185062177.static.ctinets.com
203.185.62.177	A	www.chinalife.hk
203.185.62.177	A	www.chinalife.com.hk
203.185.62.178	PTR	203185062178.static.ctinets.com
203.185.62.178	A	my.chinalife.com.hk
203.185.62.179	PTR	203185062179.static.ctinets.com
203.185.62.214	A	mail.terencetsang.com
203.185.63.134	A	hksdu.ddns.info
203.185.63.174	A	203185063174.static.ctinets.com
203.185.63.234	A	203185063234.static.ctinets.com
203.185.63.248	A	203185063248.static.ctinets.com
203.185.63.251	A	203185063251.static.ctinets.com