Robtex

Up: 116.50.34.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 116.50.34.0/25
Down right: 116.50.34.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
116.50.34.1	PTR	ms.dongfong.com.tw
116.50.34.1	A	ms1.justideas.tw
116.50.34.1	A	mail.soufun.com.tw
116.50.34.242	PTR	116-50-34-host242.dongfong.com.tw
116.50.34.242	A	dns242.linchein.com.tw
116.50.34.242	A	dns242.dongfong.com.tw
116.50.34.246	PTR	116-50-34-host246.dongfong.com.tw
116.50.34.255	PTR	116-50-34-255.dongfong.com.tw