Robtex

Up: 203.73.128.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 203.73.136.0/22
Down right: 203.73.140.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.73.136.34	A	dns.petersources.com.tw
203.73.136.124	A	www.tcppa.org.tw
203.73.136.162	PTR	h162-203-73-136.grinding.com.tw
203.73.136.240	PTR	weimin.com.tw
203.73.136.240	PTR	mail.weimin.com.tw
203.73.140.5	A	elearning.family.com.tw
203.73.140.6	PTR	h6-203-73-140.topvision.com.tw
203.73.140.16	PTR	h16-203-73-140.topvision.com.tw
203.73.140.20	PTR	h20-203-73-140.topvision.com.tw
203.73.140.52	PTR	h52-203-73-140.seed.net.tw
203.73.140.52	A	*.pcb-togo.com
203.73.140.52	A	yes319.tw
203.73.140.53	PTR	nemesis.diymad.com
203.73.140.53	A	yes319.tw
203.73.140.53	A	taiwanbuildingsites.com
203.73.140.59	PTR	yes319-mail.com
203.73.140.59	A	www.7788.net.tw
203.73.140.59	A	7788.net.tw
203.73.140.86	A	www.pkcard.com.tw
203.73.140.88	A	www.pizzahut.com.tw
203.73.140.89	A	www.pizzahut.com.tw
203.73.140.89	A	www9.pizzahut.com.tw
203.73.140.162	PTR	mail.fuyah.com.tw
203.73.140.162	A+PTR	mail.leezen.com.tw
203.73.140.200	A+PTR	rdss.nca.gov.tw
203.73.140.228	PTR	h228-203-73-140.topvision.com.tw
203.73.140.228	A	www.sogo.com.tw
203.73.140.229	A	web2.sogo.com.tw
203.73.140.230	A	nm10.sogo.com.tw
203.73.142.10	A+PTR	www.gce.com.tw
203.73.142.10	A+PTR	gce.com.tw
203.73.142.10	A	www.gcecn.com
203.73.142.46	A	mail2.gce.com.tw
203.73.142.46	A	spamsqr.gce.com.tw
203.73.142.50	A	msw-in.gce.com.tw
203.73.142.51	A+PTR	msw-out.gce.com.tw