Robtex

Up: 70.40.152.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 70.40.152.0/23
Down right: 70.40.154.0/23

IP	Type	Hostname
70.40.152.103	PTR	dsl-user.acndigital.net
70.40.154.49	PTR	dsl-user.acndigital.net
70.40.154.106	PTR	dsl-user.acndigital.net
70.40.154.120	PTR	dsl-user.acndigital.net
70.40.154.135	PTR	dsl-user.acndigital.net
70.40.155.3	PTR	dsl-user.acndigital.net
70.40.155.62	PTR	dsl-user.acndigital.net
70.40.155.162	PTR	dsl-user.acndigital.net
70.40.155.230	PTR	dsl-user.acndigital.net