Robtex

Up: 216.107.58.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 216.107.58.0/25
Down right: 216.107.58.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.107.58.0	PTR	216.107.58.0.nni.net
216.107.58.57	PTR	port-58-57-tnt03.avoca.nni.net
216.107.58.69	PTR	216.107.58.69.nni.com
216.107.58.69	A	pa-autoinsure.com
216.107.58.69	A	fahall.com
216.107.58.242	PTR	216.107.58.242.nni.net