Robtex

Up: 210.64.48.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 210.64.52.0/23
Down right: 210.64.54.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
210.64.55.29	PTR	h29-210-64-55.seed.net.tw
210.64.55.29	A	ns5.kmt.org
210.64.55.29	A	ns1.ntu.net
210.64.55.30	PTR	h30-210-64-55.seed.net.tw
210.64.55.83	A+PTR	orientalbloom.com.tw
210.64.55.83	A+PTR	mail.orientalbloom.com.tw
210.64.55.83	A+PTR	webmail.orientalbloom.com.tw
210.64.55.114	A	kingfruit.com.tw
210.64.55.139	A+PTR	dns.ohayo.com.tw