Robtex

Up: 203.133.4.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 203.133.5.0/25
Down right: 203.133.5.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
203.133.5.5	A+PTR	host-203-133-5-5.ip.kbtelecom.net
203.133.5.15	PTR	host-203-133-5-15.ip.kbtelecom.net
203.133.5.24	A+PTR	host-203-133-5-24.ip.kbtelecom.net
203.133.5.27	A+PTR	host-203-133-5-27.ip.kbtelecom.net
203.133.5.34	A	host-203-133-5-34.ip.kbtelecom.net
203.133.5.45	A	host-203-133-5-45.ip.kbtelecom.net
203.133.5.62	A	host-203-133-5-62.ip.kbtelecom.net
203.133.5.70	PTR	host-203-133-5-70.ip.kbtelecom.net
203.133.5.70	A	203-133-5-70.user.giga.net.tw
203.133.5.77	A	host-203-133-5-77.ip.kbtelecom.net
203.133.5.79	A+PTR	host-203-133-5-79.ip.kbtelecom.net
203.133.5.83	A+PTR	host-203-133-5-83.ip.kbtelecom.net
203.133.5.83	A	wonderfulcatv.com.tw
203.133.5.83	A	ns1.lgtv.com.tw
203.133.5.87	A+PTR	host-203-133-5-87.ip.kbtelecom.net
203.133.5.88	A+PTR	host-203-133-5-88.ip.kbtelecom.net
203.133.5.88	A	cns.net.tw
203.133.5.88	A	www.gdcatv.com.tw
203.133.5.89	A	host-203-133-5-89.ip.kbtelecom.net
203.133.5.92	A	host-203-133-5-92.ip.kbtelecom.net
203.133.5.93	PTR	host-203-133-5-93.ip.kbtelecom.net
203.133.5.93	A	203-133-5-93.user.giga.net.tw
203.133.5.96	A	host-203-133-5-96.ip.kbtelecom.net
203.133.5.109	PTR	host-203-133-5-109.ip.kbtelecom.net
203.133.5.126	A	host-203-133-5-126.ip.kbtelecom.net
203.133.5.129	PTR	host-203-133-5-129.ip.kbtelecom.net
203.133.5.140	A	host-203-133-5-140.ip.kbtelecom.net
203.133.5.141	PTR	host-203-133-5-141.ip.kbtelecom.net
203.133.5.184	A+PTR	host-203-133-5-184.ip.kbtelecom.net
203.133.5.194	A+PTR	host-203-133-5-194.ip.kbtelecom.net
203.133.5.194	A	www.tnet.net.tw
203.133.5.194	A	tnet.net.tw
203.133.5.200	A+PTR	host-203-133-5-200.ip.kbtelecom.net
203.133.5.200	A	203-133-5-200.user.giga.net.tw
203.133.5.200	A	dns1.ntctv.com.tw
203.133.5.201	PTR	host-203-133-5-201.ip.kbtelecom.net
203.133.5.201	A	dns2.ntctv.com.tw
203.133.5.201	A	dns2.tnet.net.tw
203.133.5.203	A+PTR	smtp.tnet.net.tw
203.133.5.203	A	mx.tnet.net.tw
203.133.5.204	A+PTR	mg.tnet.net.tw
203.133.5.214	A	host-203-133-5-214.ip.kbtelecom.net
203.133.5.220	A	host-203-133-5-220.ip.kbtelecom.net
203.133.5.222	PTR	host-203-133-5-222.ip.kbtelecom.net
203.133.5.223	PTR	host-203-133-5-223.ip.kbtelecom.net
203.133.5.228	PTR	host-203-133-5-228.ip.kbtelecom.net
203.133.5.232	A	host-203-133-5-232.ip.kbtelecom.net
203.133.5.237	PTR	host-203-133-5-237.ip.kbtelecom.net
203.133.5.251	A	host-203-133-5-251.ip.kbtelecom.net
203.133.5.252	PTR	host-203-133-5-252.ip.kbtelecom.net