Robtex

Up: 210.66.200.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 210.66.200.0/23
Down right: 210.66.202.0/23

IP	Type	Hostname
210.66.201.17	PTR	f5.usi.com.tw
210.66.201.17	A	f5.abit.com.cn
210.66.201.17	A	f5.abit.com.tw
210.66.201.18	PTR	ms.usi.com.tw
210.66.201.21	PTR	ms.usi.com.tw
210.66.201.33	PTR	h33-210-66-201.seed.net.tw
210.66.201.33	A	router.klb.com.tw
210.66.201.41	PTR	mail.klb.com.tw
210.66.201.42	PTR	klb.com.tw
210.66.201.42	A	www.long-batteries.com