Robtex

Up: 203.90.224.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.90.224.0/25
Down right: 203.90.224.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.90.224.1	A+PTR	ns1.newsky.net
203.90.224.1	A	ns1.webhost.com.hk
203.90.224.1	A	hkfree.com
203.90.224.2	A+PTR	ns2.newsky.net
203.90.224.2	A	ns2.webhost.com.hk
203.90.224.3	PTR	mail.newton.com.hk
203.90.224.5	PTR	www.newsky.net
203.90.224.6	PTR	sql1.webhosthk.com
203.90.224.8	A+PTR	rad2.newsky.net
203.90.224.10	A+PTR	www.hkddns.com
203.90.224.10	A	hkddns.net
203.90.224.10	A	ddns.com.hk
203.90.224.11	A+PTR	ns1.hkddns.com
203.90.224.12	A+PTR	ns2.hkddns.com
203.90.224.21	A+PTR	ns3.newsky.net
203.90.224.22	A	ns4.newsky.net
203.90.224.81	A	mail.hkebiz.com
203.90.224.83	A	wh09.webhost.com.hk
203.90.224.84	PTR	im02.webhost.com.hk
203.90.224.85	A	wh07.webhost.com.hk
203.90.224.86	A+PTR	wh10.webhost.com.hk
203.90.224.86	A	mail.godschild.com.hk
203.90.224.88	A+PTR	im001.webhost.com.hk
203.90.224.91	A	wh12.webhost.com.hk
203.90.224.92	A	wh13.webhost.com.hk
203.90.224.94	A+PTR	wh15.webhost.com.hk
203.90.224.94	A	fairwood.com.hk
203.90.224.97	A	wh18.webhost.com.hk
203.90.224.98	A	wh19.webhost.com.hk
203.90.224.103	A	wh16.webhost.com.hk
203.90.224.104	A+PTR	wh20.webhost.com.hk
203.90.224.112	A+PTR	wh22.webhost.com.hk
203.90.224.138	A	23451982.com
203.90.224.142	A+PTR	megawebmail02.webhosthk.com
203.90.224.143	PTR	mail.hkfree.com
203.90.224.144	PTR	megawebmail01.webhosthk.com
203.90.224.156	PTR	www.paktak.com.hk
203.90.224.164	A	cei002.newsky.net
203.90.224.181	PTR	mail.alexanderjean.com
203.90.224.182	PTR	mail.ctchoy.com
203.90.224.250	A+PTR	tc01-nmc.newsky.net
203.90.224.251	A+PTR	tc01.newsky.net
203.90.224.252	A+PTR	r05.newsky.net
203.90.224.254	A+PTR	r01.newsky.net