Robtex

Up: 176.42.64.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 176.42.72.0/22
Down right: 176.42.76.0/22

IP	Type	Hostname
176.42.72.6	PTR	host-176-42-72-6.reverse.superonline.net
176.42.72.49	PTR	host-176-42-72-49.reverse.superonline.net
176.42.72.167	PTR	host-176-42-72-167.reverse.superonline.net
176.42.72.197	PTR	host-176-42-72-197.reverse.superonline.net
176.42.72.202	PTR	host-176-42-72-202.reverse.superonline.net
176.42.72.209	PTR	host-176-42-72-209.reverse.superonline.net
176.42.72.210	PTR	host-176-42-72-210.reverse.superonline.net
176.42.73.14	PTR	host-176-42-73-14.reverse.superonline.net
176.42.73.157	PTR	host-176-42-73-157.reverse.superonline.net
176.42.73.202	PTR	host-176-42-73-202.reverse.superonline.net
176.42.74.10	PTR	host-176-42-74-10.reverse.superonline.net
176.42.74.41	PTR	host-176-42-74-41.reverse.superonline.net
176.42.74.183	PTR	host-176-42-74-183.reverse.superonline.net
176.42.74.202	PTR	host-176-42-74-202.reverse.superonline.net
176.42.74.250	PTR	host-176-42-74-250.reverse.superonline.net
176.42.74.254	PTR	host-176-42-74-254.reverse.superonline.net
176.42.75.95	PTR	host-176-42-75-95.reverse.superonline.net
176.42.75.106	PTR	host-176-42-75-106.reverse.superonline.net
176.42.75.117	PTR	host-176-42-75-117.reverse.superonline.net
176.42.75.120	PTR	host-176-42-75-120.reverse.superonline.net
176.42.75.134	PTR	host-176-42-75-134.reverse.superonline.net
176.42.75.226	PTR	host-176-42-75-226.reverse.superonline.net
176.42.76.1	PTR	host-176-42-76-1.reverse.superonline.net
176.42.76.37	PTR	host-176-42-76-37.reverse.superonline.net
176.42.76.131	PTR	host-176-42-76-131.reverse.superonline.net
176.42.76.152	PTR	host-176-42-76-152.reverse.superonline.net
176.42.76.215	PTR	host-176-42-76-215.reverse.superonline.net
176.42.77.57	PTR	host-176-42-77-57.reverse.superonline.net
176.42.77.58	PTR	host-176-42-77-58.reverse.superonline.net
176.42.77.77	PTR	host-176-42-77-77.reverse.superonline.net
176.42.77.88	PTR	host-176-42-77-88.reverse.superonline.net
176.42.77.122	PTR	host-176-42-77-122.reverse.superonline.net
176.42.77.200	PTR	host-176-42-77-200.reverse.superonline.net
176.42.77.209	PTR	host-176-42-77-209.reverse.superonline.net
176.42.78.27	PTR	host-176-42-78-27.reverse.superonline.net
176.42.78.84	PTR	host-176-42-78-84.reverse.superonline.net
176.42.78.87	PTR	host-176-42-78-87.reverse.superonline.net
176.42.78.169	PTR	host-176-42-78-169.reverse.superonline.net
176.42.78.174	PTR	host-176-42-78-174.reverse.superonline.net
176.42.78.254	PTR	host-176-42-78-254.reverse.superonline.net
176.42.79.82	PTR	host-176-42-79-82.reverse.superonline.net
176.42.79.107	PTR	host-176-42-79-107.reverse.superonline.net
176.42.79.193	PTR	host-176-42-79-193.reverse.superonline.net
176.42.79.205	PTR	host-176-42-79-205.reverse.superonline.net
176.42.79.229	PTR	host-176-42-79-229.reverse.superonline.net
176.42.79.241	PTR	host-176-42-79-241.reverse.superonline.net
176.42.79.250	PTR	host-176-42-79-250.reverse.superonline.net