Robtex

Up: 203.70.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 203.70.44.0/23
Down right: 203.70.46.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.70.44.0	PTR	h0-203-70-44.seed.net.tw
203.70.44.6	PTR	h6-203-70-44.seed.net.tw
203.70.44.164	PTR	ns3.pixdns.tw
203.70.46.94	A+PTR	serveno.com.tw
203.70.46.133	PTR	mail.wingarments.com.tw
203.70.46.134	PTR	wingarments.com.tw
203.70.46.135	PTR	wingarments.com.tw
203.70.46.185	PTR	mail.servicepro.com.tw
203.70.46.186	PTR	www.servicepro.com.tw
203.70.46.212	PTR	h212-203-70-46.seed.net.tw
203.70.46.213	PTR	mail.mountex.com.tw
203.70.47.22	A	mail.mbc-hardware.com
203.70.47.108	PTR	h108-203-70-47.seed.net.tw
203.70.47.108	A	ns2.mybcom.com
203.70.47.108	A	ns2.bcom.com.tw
203.70.47.139	A+PTR	mail.topica.com.tw
203.70.47.150	PTR	h150-203-70-47.seed.net.tw
203.70.47.150	A	mail.llhtwn.com.tw
203.70.47.150	A	llhtwn.com.tw
203.70.47.232	PTR	h232-203-70-47.miconline.net