Robtex

Up: 203.70.80.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 203.70.84.0/23
Down right: 203.70.86.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.70.84.50	PTR	h50-203-70-84.seed.net.tw
203.70.84.50	A	taigenbiotech.com
203.70.84.50	A	dns3.taigenbiotech.com
203.70.84.160	PTR	protech.com.tw
203.70.84.161	PTR	protech.com.tw
203.70.84.162	PTR	protech.com.tw
203.70.84.163	PTR	protech.com.tw
203.70.84.164	PTR	protech.com.tw
203.70.84.165	PTR	protech.com.tw
203.70.84.166	PTR	protech.com.tw
203.70.84.167	PTR	protech.com.tw
203.70.85.2	PTR	mail.hosing.com.tw
203.70.85.12	PTR	h12-203-70-85.seed.net.tw
203.70.85.12	A	www.proaction.com.tw
203.70.85.69	PTR	dns.sna.com.tw
203.70.85.147	PTR	mail.tahtong.com.tw
203.70.85.148	A+PTR	mail2.tahtong.com.tw
203.70.85.153	PTR	h153-203-70-85.seed.net.tw
203.70.85.249	A+PTR	sparkler.com.tw
203.70.85.249	A+PTR	tpdns.sparkler.com.tw
203.70.85.249	PTR	www.sparkler.com.tw
203.70.87.3	A	eyelashprincess.com.tw
203.70.87.3	A	yuj.com.tw
203.70.87.3	A	520workroom.com.tw
203.70.87.168	PTR	ms1.any.com.tw
203.70.87.194	PTR	h194-203-70-87.seed.net.tw
203.70.87.194	A	server.sunfate.com