Robtex

Up: 58.86.64.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 58.86.64.0/22
Down right: 58.86.68.0/22

IP	Type	Hostname
58.86.66.8	PTR	58.86-66-host8.kbtelecom.net.tw
58.86.66.17	PTR	58.86-66-host17.kbtelecom.net.tw
58.86.66.32	PTR	58.86-66-host32.kbtelecom.net.tw
58.86.66.43	PTR	58.86-66-host43.kbtelecom.net.tw
58.86.66.48	PTR	58.86-66-host48.kbtelecom.net.tw
58.86.66.49	PTR	58.86-66-host49.kbtelecom.net.tw
58.86.66.50	PTR	58.86-66-host50.kbtelecom.net.tw
58.86.66.59	PTR	58.86-66-host59.kbtelecom.net.tw
58.86.66.75	PTR	58.86-66-host75.kbtelecom.net.tw
58.86.66.82	PTR	58.86-66-host82.kbtelecom.net.tw
58.86.66.89	PTR	58.86-66-host89.kbtelecom.net.tw
58.86.66.107	PTR	58.86-66-host107.kbtelecom.net.tw
58.86.66.144	PTR	58.86-66-host144.kbtelecom.net.tw
58.86.66.170	PTR	58.86-66-host170.kbtelecom.net.tw
58.86.66.178	PTR	58.86-66-host178.kbtelecom.net.tw
58.86.66.186	PTR	58.86-66-host186.kbtelecom.net.tw
58.86.66.193	PTR	58.86-66-host193.kbtelecom.net.tw
58.86.66.195	PTR	58.86-66-host195.kbtelecom.net.tw
58.86.66.208	PTR	58.86-66-host208.kbtelecom.net.tw
58.86.66.216	PTR	58.86-66-host216.kbtelecom.net.tw
58.86.66.218	PTR	58.86-66-host218.kbtelecom.net.tw
58.86.66.224	PTR	58.86-66-host224.kbtelecom.net.tw
58.86.66.226	PTR	58.86-66-host226.kbtelecom.net.tw
58.86.66.227	PTR	58.86-66-host227.kbtelecom.net.tw
58.86.66.235	PTR	58.86-66-host235.kbtelecom.net.tw
58.86.66.241	PTR	58.86-66-host241.kbtelecom.net.tw
58.86.66.243	PTR	58.86-66-host243.kbtelecom.net.tw