Robtex

Up: 210.66.120.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 210.66.124.0/23
Down right: 210.66.126.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.66.125.63	PTR	h63-210-66-125.seed.net.tw
210.66.125.65	A	oalinkproof.taica.com.tw
210.66.125.97	A+PTR	caweb.twca.com.tw
210.66.125.97	A	rootca.twca.com.tw
210.66.125.105	A	dns2.taica.com.tw
210.66.125.105	A	dns2.twcafine.com.tw
210.66.125.105	A	dns2.twca.com.tw
210.66.125.113	A	cert.twca.com.tw
210.66.127.10	PTR	h10-210-66-127.seed.net.tw
210.66.127.123	PTR	scoop.tw
210.66.127.123	A+PTR	bigi.com.tw
210.66.127.123	A+PTR	mail.scoop.tw
210.66.127.133	A+PTR	mail.songlei.com.tw