Robtex

Up: 216.106.240.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 216.106.240.0/22
Down right: 216.106.244.0/22

IP	Type	Hostname
216.106.242.59	PTR	cust.138282.sxflsdch38r.sdnet.net
216.106.242.66	PTR	cust.138282.sxflsdch38r.sdnet.net
216.106.243.139	PTR	216-106-243-139.santel.net
216.106.244.35	PTR	cust.138282.sxflsdch38r.sdnet.net
216.106.244.51	PTR	216-106-244-51.santel.net
216.106.244.57	PTR	216-106-244-57.santel.net
216.106.244.83	PTR	cust.138282.sxflsdch38r.sdnet.net
216.106.244.137	PTR	cust.138282.sxflsdch38r.sdnet.net
216.106.244.176	PTR	cust.138282.sxflsdch38r.sdnet.net
216.106.247.120	PTR	216-106-247-120.santel.net