Robtex

Up: 176.42.8.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 176.42.12.0/23
Down right: 176.42.14.0/23

IP	Type	Hostname
176.42.12.17	PTR	host-176-42-12-17.reverse.superonline.net
176.42.12.18	PTR	host-176-42-12-18.reverse.superonline.net
176.42.12.21	PTR	host-176-42-12-21.reverse.superonline.net
176.42.12.24	PTR	host-176-42-12-24.reverse.superonline.net
176.42.12.49	PTR	host-176-42-12-49.reverse.superonline.net
176.42.12.71	PTR	host-176-42-12-71.reverse.superonline.net
176.42.12.83	PTR	host-176-42-12-83.reverse.superonline.net
176.42.12.85	PTR	host-176-42-12-85.reverse.superonline.net
176.42.12.86	PTR	host-176-42-12-86.reverse.superonline.net
176.42.12.98	PTR	host-176-42-12-98.reverse.superonline.net
176.42.12.133	PTR	host-176-42-12-133.reverse.superonline.net
176.42.12.137	PTR	host-176-42-12-137.reverse.superonline.net
176.42.12.139	PTR	host-176-42-12-139.reverse.superonline.net
176.42.12.152	PTR	host-176-42-12-152.reverse.superonline.net
176.42.12.175	PTR	host-176-42-12-175.reverse.superonline.net
176.42.12.176	PTR	host-176-42-12-176.reverse.superonline.net
176.42.12.186	PTR	host-176-42-12-186.reverse.superonline.net
176.42.12.194	PTR	host-176-42-12-194.reverse.superonline.net
176.42.12.197	PTR	host-176-42-12-197.reverse.superonline.net
176.42.12.204	PTR	host-176-42-12-204.reverse.superonline.net
176.42.12.209	PTR	host-176-42-12-209.reverse.superonline.net
176.42.12.215	PTR	host-176-42-12-215.reverse.superonline.net
176.42.12.221	PTR	host-176-42-12-221.reverse.superonline.net
176.42.12.227	PTR	host-176-42-12-227.reverse.superonline.net
176.42.12.228	PTR	host-176-42-12-228.reverse.superonline.net
176.42.14.33	PTR	host-176-42-14-33.reverse.superonline.net
176.42.15.12	PTR	host-176-42-15-12.reverse.superonline.net
176.42.15.112	PTR	host-176-42-15-112.reverse.superonline.net