Robtex

Up: 61.66.216.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 61.66.216.0/23
Down right: 61.66.218.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
61.66.217.25	A	mail.eracom.com.tw
61.66.217.29	A	smtp2.eracom.com.tw
61.66.217.60	A	dns2.ibiz.net.tw
61.66.217.60	A	dns1.ibiz.net.tw
61.66.217.60	A	dns4.eracom.com.tw
61.66.217.71	A	www.go-getit.com
61.66.217.72	A	smtp.gold-clouds.com
61.66.217.72	A	smtp.go-getit.com
61.66.217.135	A	lc2.liteon.com
61.66.217.140	PTR	mal012.liteon.com
61.66.217.140	A	smtp.liteon.com
61.66.218.8	A	shop.pqigroup.com
61.66.218.147	A	cloudtaas.org
61.66.218.240	A	iservcloud.com
61.66.219.2	A+PTR	vpn.fis.com.tw
61.66.219.3	A	ns1.fis.com.tw
61.66.219.4	PTR	ns4.ipactech.com
61.66.219.4	A+PTR	ns4.fis.com.tw
61.66.219.4	A	fis.com.tw
61.66.219.5	A+PTR	smtp.ipactech.com
61.66.219.5	PTR	spam.fis.com.tw
61.66.219.5	PTR	spam.ipactech.com
61.66.219.9	A	owa.fis.com.tw
61.66.219.9	A	mail.fis.com.tw
61.66.219.9	A	webmail.fis.com.tw
61.66.219.11	A+PTR	ftp1.fis.com.tw
61.66.219.22	A+PTR	www.fis.com.tw
61.66.219.22	A+PTR	fis.com.tw