Robtex

Up: 210.243.158.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 210.243.159.0/25
Down right: 210.243.159.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.243.159.1	PTR	h1-210-243-159.na.com.tw
210.243.159.1	A	dns2.nt168.com
210.243.159.1	A	www.nt168.com
210.243.159.3	A	dns3.nt168.com
210.243.159.3	A	dns1.nt168.com
210.243.159.148	PTR	h148-210-243-159.seed.net.tw
210.243.159.180	A	isa.khc.com.tw