Robtex

Up: 116.50.46.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 116.50.47.0/25
Down right: 116.50.47.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
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