Robtex

Up: 173.205.80.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 173.205.80.0/22
Down right: 173.205.84.0/22

IP	Type	Hostname
173.205.83.42	PTR	173.205.83.42.static.quadranet.com
173.205.85.163	A	us-east.windscribe.com
173.205.87.47	PTR	173.205.87.47.static.quadranet.com
173.205.87.93	PTR	173.205.87.93.static.quadranet.com