Robtex

Up: 218.32.64.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 218.32.66.0/24
Down right: 218.32.67.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
218.32.66.2	A+PTR	mail2000-2.chi.com.tw
218.32.66.2	A+PTR	mail2000.chi.com.tw
218.32.66.2	A+PTR	owa.chi.com.tw
218.32.66.3	PTR	chiweb.chi.com.tw
218.32.66.3	A	eip.chi.com.tw
218.32.66.3	A	www.chi.com.tw
218.32.66.5	A+PTR	dns.chi.com.tw
218.32.66.13	A+PTR	dns3.chi.com.tw
218.32.66.13	A+PTR	lync-edge.chi.com.tw
218.32.66.13	A+PTR	sip.chi.com.tw
218.32.66.25	A	t9.chi.com.tw
218.32.66.32	A+PTR	autodiscover.chi.com.tw
218.32.66.32	A+PTR	mail.chi.com.tw
218.32.66.32	A+PTR	mail2000-3.chi.com.tw
218.32.66.222	A	todd.chi.com.tw
218.32.67.6	A+PTR	pxtse02.cathaybk.com.tw
218.32.67.7	A+PTR	pxmail01.cathaybk.com.tw
218.32.67.8	A+PTR	pxmail02.cathaybk.com.tw
218.32.67.9	A+PTR	pxmail03.cathaybk.com.tw
218.32.67.11	A	pximss03.cathaybk.com.tw
218.32.67.12	A+PTR	pximss02.cathaybk.com.tw
218.32.67.12	A	pximss03.cathaybk.us
218.32.67.12	A	pximss03.uwccb.com
218.32.67.15	PTR	218-32-67-15.static.sparqnet.net
218.32.67.15	A	news.mybank.com.tw
218.32.67.17	PTR	218-32-67-17.static.sparqnet.net
218.32.67.17	A	pxbillrc01.cathaybk.com.tw
218.32.67.66	PTR	218-32-67-66.static.sparqnet.net
218.32.67.66	A	dns.honsec.com.tw
218.32.67.66	A	dns.honsec.com.hk
218.32.67.101	PTR	218-32-67-101.static.sparqnet.net
218.32.67.101	A	www.honfunds.com.tw
218.32.67.119	A	www.honsec.com.tw
218.32.67.166	PTR	218-32-67-166.static.sparqnet.net
218.32.67.166	A	www.inventec.com
218.32.67.169	PTR	218-32-67-169.static.sparqnet.net
218.32.67.169	A	smg.inventec.com
218.32.67.173	A	mail.inventec.com
218.32.67.242	PTR	exchange.ttfco.com
218.32.67.242	A	www.ttfco.com
218.32.67.242	A	ns.ttfco.com