Robtex

Up: 59.188.104.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 59.188.104.0/23
Down right: 59.188.106.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
59.188.104.187	PTR	hkg-smtp1.schmidtelectronics.com
59.188.104.190	PTR	hkg-mta1.schmidtelectronics.com
59.188.104.194	PTR	node194.pmaia.com
59.188.104.196	PTR	node196.pmaia.com
59.188.104.199	PTR	node199.pmaia.com
59.188.104.207	PTR	node207.pmaia.com
59.188.104.209	PTR	node209.pmaia.com
59.188.104.211	PTR	node211.pmaia.com
59.188.104.213	PTR	node213.pmaia.com
59.188.104.221	PTR	node221.pmaia.com
59.188.105.53	A	park.abe-hk.com
59.188.105.58	A	mail3.in-tech.com.hk
59.188.105.58	A	mail3.abe-hk.com
59.188.105.58	A	mail3.in-tech-charity.org
59.188.105.60	PTR	mail01.in-tech.com.hk
59.188.105.61	PTR	mishk02.in-tech.com.hk
59.188.105.61	A	mail2.abe-hk.com
59.188.105.61	A	mail2.in-tech.com.hk
59.188.105.202	A	brighten-tech.com
59.188.107.73	PTR	mailf1.mpfa.org.hk
59.188.107.132	PTR	tst132.mobilesurf.cc
59.188.107.133	PTR	tst133.mobilesurf.cc
59.188.107.135	PTR	tst135.mobilesurf.cc
59.188.107.135	A	devsvr6.mtel.ws
59.188.107.139	PTR	tst139.mobilesurf.cc
59.188.107.143	PTR	tst143.mobilesurf.cc
59.188.107.144	PTR	tst144.mobilesurf.cc
59.188.107.145	PTR	tst145.mobilesurf.cc
59.188.107.145	A	mailmx.hkagogo.com
59.188.107.145	A	mail.movieexpress.com.hk
59.188.107.147	PTR	tst147.mobilesurf.cc
59.188.107.148	PTR	tst148.mobilesurf.cc
59.188.107.149	PTR	tst149.mobilesurf.cc
59.188.107.149	A	mailmx149.mobilesurf.cc
59.188.107.155	PTR	tst155.mobilesurf.cc
59.188.107.158	A	mailmx22.mtelnet.com
59.188.107.158	A	mailmx28.mtelnet.com
59.188.107.158	A	mailmx158.mtelnet.com