Robtex

Up: 210.64.80.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 210.64.80.0/22
Down right: 210.64.84.0/22

IP	Type	Hostname
210.64.84.168	A+PTR	210-64-84-168.adsl.dynamic.seed.net.tw
210.64.86.25	PTR	mailg.ttnet.net
210.64.86.27	PTR	mailg2.ttnet.net
210.64.86.29	PTR	admail.ttnet.net
210.64.86.81	PTR	goddesstech.com
210.64.86.141	A	hightech.com.tw
210.64.87.91	PTR	h91-210-64-87.skitech.com.tw
210.64.87.91	A	skitech.com.tw
210.64.87.91	A	dns.skitech.com.tw
210.64.87.92	A	skitech.com.tw
210.64.87.92	A	dns.skitech.com.tw
210.64.87.209	PTR	mail.wanshih.com.tw