Robtex

Up: 210.66.152.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 210.66.152.0/23
Down right: 210.66.154.0/23

IP	Type	Hostname
210.66.152.83	PTR	h83-210-66-152.seed.net.tw
210.66.152.83	A	atsc.com.tw
210.66.152.109	PTR	ptsgi.com
210.66.152.110	PTR	ptsgi.com
210.66.152.111	PTR	ptsgi.com
210.66.152.225	PTR	www.seed.net.tw
210.66.152.227	A	rical.com.tw
210.66.153.173	A	dns2.futek.com.tw
210.66.153.173	A	bi_server.futek.com.tw
210.66.154.173	PTR	h173-210-66-154.seed.net.tw