Robtex

Up: 116.50.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 116.50.44.0/23
Down right: 116.50.46.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
116.50.44.4	PTR	116.50-44-host4.dongfong.com.tw
116.50.44.4	A	ucan.moe.edu.tw
116.50.44.6	PTR	116.50-44-host6.dongfong.com.tw
116.50.44.6	A	www.ring-in.com.tw
116.50.44.6	A	www.tymamababy.tw
116.50.44.9	PTR	116.50-44-host9.dongfong.com.tw
116.50.44.9	A	www.ekm.org.tw
116.50.44.9	A	www.apo-coegp.org
116.50.44.12	A	www.servicesupport.tw
116.50.44.12	A	servicesupport.tw
116.50.44.33	A	mailman.mondeo-tw.org
116.50.44.33	A	dns.mondeo-tw.org
116.50.44.37	A	www.tdci.com.tw
116.50.44.37	A	tdci.com.tw
116.50.44.43	PTR	116.50-44-host43.dongfong.com.tw
116.50.44.43	A	point.tv
116.50.44.43	A	www.point.tv
116.50.44.68	PTR	116.50-44-host68.dongfong.com.tw
116.50.44.69	A	letbeartalk.com
116.50.44.69	A	freshtime.com.tw
116.50.44.69	A	www.freshtime.com.tw
116.50.44.71	A	www.yooho.com.tw
116.50.44.72	A	mail.freshtime.com.tw
116.50.44.122	A	www.newamazing.com.tw
116.50.44.122	A	www.luckytours.com.tw
116.50.44.132	A	miusalon.com
116.50.44.133	A	nekobe.tw
116.50.44.134	A	mail.slush-sirup.de
116.50.44.134	A	bordeauxclub.org
116.50.44.135	PTR	116.50-44-host135.dongfong.com.tw
116.50.44.136	A	files.mml.com.tw
116.50.44.139	A	kabu-salon.com
116.50.44.149	PTR	116.50-44-host149.dongfong.com.tw
116.50.44.149	A	files.mml.com.tw
116.50.44.149	A	mml.com.tw
116.50.44.156	PTR	116.50-44-host156.dongfong.com.tw
116.50.44.156	A	mail.php-taiwan.org
116.50.44.159	PTR	116.50-44-host159.dongfong.com.tw
116.50.44.159	A	johnpupu.tw
116.50.44.159	A	blog.johnpupu.tw
116.50.44.167	PTR	116.50-44-host167.dongfong.com.tw
116.50.44.167	A	chingtinghan.com
116.50.44.167	A	tronice.com
116.50.44.170	PTR	116.50-44-host170.dongfong.com.tw
116.50.44.176	PTR	116.50-44-host176.dongfong.com.tw
116.50.44.176	A	www.sundin.com.tw
116.50.44.177	PTR	116.50-44-host177.dongfong.com.tw
116.50.44.177	A	mail.168smb.com
116.50.44.178	PTR	116.50-44-host178.dongfong.com.tw
116.50.44.178	A	mail.exavision.biz
116.50.44.178	A	mail.appmamedia.com
116.50.44.184	PTR	116.50-44-host184.dongfong.com.tw
116.50.44.230	A	edu1on1.com.tw
116.50.44.230	A	www.edu1on1.com.tw
116.50.44.235	A	chinlanguage.com
116.50.44.255	PTR	116.50-44-host255.dongfong.com.tw
116.50.45.17	PTR	116.50-45-host17.dongfong.com.tw
116.50.45.255	PTR	116.50-45-host255.dongfong.com.tw
116.50.46.1	PTR	116.50-46-host1.dongfong.com.tw
116.50.46.52	A+PTR	www.hhh.com.tw
116.50.46.52	A	hhh.com.tw
116.50.46.94	A	ibo03.com
116.50.46.100	A	ibo09.com
116.50.46.103	PTR	116.50-46-host103.dongfong.com.tw
116.50.46.131	PTR	116.50-46-host131.dongfong.com.tw
116.50.46.131	A	waterdancing.com.tw
116.50.46.131	A	hwewang.com.tw
116.50.46.138	PTR	116.50-46-host138.dongfong.com.tw
116.50.46.138	A	rulaiacademic.org
116.50.46.138	A	rulaikh.org
116.50.46.180	PTR	116.50-46-host180.dongfong.com.tw
116.50.46.180	A	lndata.com
116.50.46.226	PTR	116.50-46-host226.dongfong.com.tw
116.50.46.226	A	www.tourone.com.tw
116.50.46.255	PTR	116.50-46-host255.dongfong.com.tw
116.50.47.3	PTR	116.50-47-host3.dongfong.com.tw
116.50.47.14	PTR	116.50-47-host14.dongfong.com.tw
116.50.47.28	PTR	116.50-47-host28.dongfong.com.tw
116.50.47.32	PTR	116.50-47-host32.dongfong.com.tw
116.50.47.37	PTR	116.50-47-host37.dongfong.com.tw
116.50.47.46	PTR	116.50-47-host46.dongfong.com.tw
116.50.47.50	PTR	116.50-47-host50.dongfong.com.tw
116.50.47.55	PTR	116.50-47-host55.dongfong.com.tw
116.50.47.64	PTR	116.50-47-host64.dongfong.com.tw
116.50.47.73	PTR	116.50-47-host73.dongfong.com.tw
116.50.47.107	PTR	116.50-47-host107.dongfong.com.tw
116.50.47.118	PTR	116.50-47-host118.dongfong.com.tw
116.50.47.127	PTR	116.50-47-host127.dongfong.com.tw
116.50.47.128	PTR	116.50-47-host128.dongfong.com.tw
116.50.47.163	PTR	116.50-47-host163.dongfong.com.tw
116.50.47.201	PTR	116.50-47-host201.dongfong.com.tw
116.50.47.211	PTR	116.50-47-host211.dongfong.com.tw
116.50.47.224	PTR	116.50-47-host224.dongfong.com.tw
116.50.47.231	PTR	116.50-47-host231.dongfong.com.tw
116.50.47.238	PTR	116.50-47-host238.dongfong.com.tw
116.50.47.241	PTR	116.50-47-host241.dongfong.com.tw
116.50.47.241	A	ns8.primo168.tw
116.50.47.241	A	ns2.sinami.com.tw
116.50.47.255	PTR	116.50-47-host255.dongfong.com.tw