Robtex

Up: 58.99.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 58.99.16.0/22
Down right: 58.99.20.0/22

IP	Type	Hostname
58.99.16.0	PTR	0-16-99-58.tinp.net.tw
58.99.16.2	PTR	2-16-99-58.tinp.net.tw
58.99.16.3	PTR	3-16-99-58.tinp.net.tw
58.99.16.8	PTR	8-16-99-58.tinp.net.tw
58.99.16.9	PTR	9-16-99-58.tinp.net.tw
58.99.16.19	PTR	19-16-99-58-t-tdtv.tinp.net.tw
58.99.17.89	PTR	89-17-99-58.tinp.net.tw
58.99.23.2	PTR	2-23-99-58.tinp.net.tw