Robtex

Up: 50.82.144.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 50.82.144.0/22
Down right: 50.82.148.0/22

IP	Type	Hostname
50.82.145.70	A+PTR	50-82-145-70.client.mchsi.com
50.82.147.60	PTR	50-82-147-60.client.mchsi.com
50.82.149.79	A+PTR	50-82-149-79.client.mchsi.com
50.82.149.108	PTR	50-82-149-108.client.mchsi.com
50.82.149.247	A	50-82-149-247.client.mchsi.com