Robtex

Up: 103.17.72.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 103.17.74.0/24
Down right: 103.17.75.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
103.17.74.58	A+PTR	mail.ytchan.com.hk
103.17.74.122	A	www.datamart.com.hk
103.17.74.122	A	www.chowchin.com
103.17.74.198	A	mx1.alpshk.com
103.17.74.198	A	mx2.alpshk.com
103.17.74.254	A	hymail.unisofthk.com
103.17.75.2	A	heungto.edu.hk
103.17.75.2	A	www.heungto.edu.hk
103.17.75.3	A+PTR	mail.heungto.edu.hk
103.17.75.9	A	www.heungto.org.hk
103.17.75.9	A	mail.heungto.org.hk
103.17.75.9	A	heungto.org.hk
103.17.75.10	A	www.heungto.org
103.17.75.10	A	home.heungto.org
103.17.75.10	A	dns.heungto.org
103.17.75.34	A	mail.kaisung-p.com
103.17.75.35	A	mail.avantpaper.com
103.17.75.37	A	mail1.kaisung-p.com
103.17.75.37	A	mail1.avantpaper.com
103.17.75.43	PTR	hkwtl.com
103.17.75.43	A	mail.hkwtl.com
103.17.75.43	A	mail.wtltravel.com
103.17.75.44	A	relay2.hkwtl.com
103.17.75.110	A+PTR	mut-hk.com
103.17.75.110	A	mail.mut-hk.com
103.17.75.110	A	mail.kukel.com
103.17.75.150	A	relay.karson-tech.com.hk
103.17.75.151	A	ns1.karson-tech.com
103.17.75.152	A	ns2.karson-tech.com
103.17.75.153	A	karson-cable.com.hk
103.17.75.153	A	karson-tech.com.hk
103.17.75.153	A	karson-group.com
103.17.75.158	A+PTR	mail.karson-tech.com.hk
103.17.75.158	A	karsonmate.com
103.17.75.158	A	focus.karsonmate.com
103.17.75.163	A	databankrs.com
103.17.75.172	PTR	hkdakang.com
103.17.75.172	A	mail.hkdakang.com
103.17.75.250	A	mail.chinawell.com.hk