Robtex

Up: 58.86.224.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 58.86.240.0/21
Down right: 58.86.248.0/21

IP	Type	Hostname
58.86.243.1	PTR	58.86-243-host1.kbtelecom.net.tw
58.86.243.4	PTR	58.86-243-host4.kbtelecom.net.tw
58.86.243.16	PTR	58.86-243-host16.kbtelecom.net.tw
58.86.243.18	PTR	58.86-243-host18.kbtelecom.net.tw
58.86.243.19	PTR	58.86-243-host19.kbtelecom.net.tw
58.86.243.32	PTR	58.86-243-host32.kbtelecom.net.tw
58.86.243.33	PTR	58.86-243-host33.kbtelecom.net.tw
58.86.243.34	PTR	58.86-243-host34.kbtelecom.net.tw
58.86.243.80	PTR	58.86-243-host80.kbtelecom.net.tw
58.86.243.81	PTR	58.86-243-host81.kbtelecom.net.tw
58.86.243.96	PTR	58.86-243-host96.kbtelecom.net.tw
58.86.243.112	PTR	58.86-243-host112.kbtelecom.net.tw
58.86.243.129	PTR	58.86-243-host129.kbtelecom.net.tw
58.86.243.130	PTR	58.86-243-host130.kbtelecom.net.tw
58.86.243.144	PTR	58.86-243-host144.kbtelecom.net.tw
58.86.243.161	PTR	58.86-243-host161.kbtelecom.net.tw
58.86.243.162	PTR	58.86-243-host162.kbtelecom.net.tw
58.86.243.210	PTR	58.86-243-host210.kbtelecom.net.tw
58.86.243.225	PTR	58.86-243-host225.kbtelecom.net.tw
58.86.243.226	PTR	58.86-243-host226.kbtelecom.net.tw
58.86.243.240	PTR	58.86-243-host240.kbtelecom.net.tw
58.86.243.241	PTR	58.86-243-host241.kbtelecom.net.tw
58.86.246.1	PTR	58.86-246-host1.kbtelecom.net.tw
58.86.246.18	PTR	58.86-246-host18.kbtelecom.net.tw
58.86.246.19	PTR	58.86-246-host19.kbtelecom.net.tw
58.86.246.50	PTR	58.86-246-host50.kbtelecom.net.tw
58.86.246.64	PTR	58.86-246-host64.kbtelecom.net.tw
58.86.246.66	PTR	58.86-246-host66.kbtelecom.net.tw
58.86.246.67	PTR	58.86-246-host67.kbtelecom.net.tw
58.86.246.163	PTR	58.86-246-host163.kbtelecom.net.tw
58.86.246.194	PTR	58.86-246-host194.kbtelecom.net.tw
58.86.246.224	PTR	58.86-246-host224.kbtelecom.net.tw
58.86.246.240	PTR	58.86-246-host240.kbtelecom.net.tw
58.86.252.18	PTR	mail.honorseiki.com.tw
58.86.255.255	PTR	58.86-255-host255.kbtelecom.net.tw