Robtex

Up: 61.63.50.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 61.63.51.0/25
Down right: 61.63.51.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
61.63.51.34	PTR	61-63-51-host34.kbtelecom.net.tw
61.63.51.41	PTR	smtpx.teco.com.tw
61.63.51.46	A+PTR	61-63-51-host46.kbtelecom.net.tw
61.63.51.46	A	aok01.tecoaok.com.tw
61.63.51.48	PTR	smtpx.teco.com.tw
61.63.51.49	PTR	smtpx.teco.com.tw
61.63.51.51	A+PTR	61-63-51-host51.kbtelecom.net.tw
61.63.51.67	PTR	61-63-51-host67.kbtelecom.net.tw
61.63.51.101	PTR	ns1.design-sirius.com
61.63.51.101	A	dnbbearing.com
61.63.51.101	A	da-shine.com.tw
61.63.51.102	A+PTR	61-63-51-host102.kbtelecom.net.tw
61.63.51.102	A	ns2.design-sirius.com
61.63.51.103	PTR	ns1.sirius168.com
61.63.51.103	A	ifr-shoes.com
61.63.51.103	A	designbase.com.tw
61.63.51.104	A+PTR	ns2.sirius168.com
61.63.51.109	A	lsenglish.com.tw
61.63.51.111	A+PTR	61-63-51-host111.kbtelecom.net.tw
61.63.51.111	A	gensolution.com.tw
61.63.51.112	A+PTR	61-63-51-host112.kbtelecom.net.tw
61.63.51.113	A+PTR	61-63-51-host113.kbtelecom.net.tw
61.63.51.113	A	buddha-grace-magazine.com
61.63.51.113	A	shanxifang.com.tw
61.63.51.114	A+PTR	61-63-51-host114.kbtelecom.net.tw
61.63.51.114	A	bulats.com.tw
61.63.51.114	A	acumenbec.com.tw
61.63.51.115	A+PTR	61-63-51-host115.kbtelecom.net.tw
61.63.51.121	A	buddha-grace-magazine.com
61.63.51.121	A	shanxifang.com.tw
61.63.51.122	A	yiu.com.tw
61.63.51.122	A	www.yiu.com.tw
61.63.51.123	A	swallowdrink.com
61.63.51.134	A	61-63-51-host134.kbtelecom.net.tw
61.63.51.215	A	61-63-51-host215.kbtelecom.net.tw
61.63.51.224	A	61-63-51-host224.kbtelecom.net.tw