Robtex

Up: 5.178.8.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 5.178.12.0/23
Down right: 5.178.14.0/23

IP	Type	Hostname
5.178.12.2	A	vlan12-2.azeronline.com
5.178.12.21	A	vlan12-21.azeronline.com
5.178.12.46	A	vlan12-46.azeronline.com
5.178.12.59	A	vlan12-59.azeronline.com
5.178.12.88	A	vlan12-88.azeronline.com
5.178.12.116	A	vlan12-116.azeronline.com
5.178.12.145	A+PTR	vlan12-145.azeronline.com
5.178.12.150	A	vlan12-150.azeronline.com
5.178.12.152	A	vlan12-152.azeronline.com
5.178.12.167	A	vlan12-167.azeronline.com
5.178.12.174	A	vlan12-174.azeronline.com
5.178.12.209	A	vlan12-209.azeronline.com
5.178.12.215	A	vlan12-215.azeronline.com
5.178.13.2	A	vlan13-2.azeronline.com
5.178.13.7	A	vlan13-7.azeronline.com
5.178.13.67	A	vlan13-67.azeronline.com
5.178.13.77	A+PTR	vlan13-77.azeronline.com
5.178.13.84	A	vlan13-84.azeronline.com
5.178.13.91	A	vlan13-91.azeronline.com
5.178.13.123	A	vlan13-123.azeronline.com
5.178.13.137	A	vlan13-137.azeronline.com
5.178.13.154	A	vlan13-154.azeronline.com
5.178.13.163	A	vlan13-163.azeronline.com
5.178.14.17	A	vlan14-17.azeronline.com
5.178.14.67	A	vlan14-67.azeronline.com
5.178.14.76	A+PTR	vlan14-76.azeronline.com
5.178.14.80	A	vlan14-80.azeronline.com
5.178.14.103	A	vlan14-103.azeronline.com
5.178.14.115	A	vlan14-115.azeronline.com
5.178.14.126	A	vlan14-126.azeronline.com
5.178.14.148	A	vlan14-148.azeronline.com
5.178.14.178	A	vlan14-178.azeronline.com
5.178.14.193	A	vlan14-193.azeronline.com
5.178.15.2	A+PTR	vlan15-2.azeronline.com
5.178.15.13	A	vlan15-13.azeronline.com
5.178.15.52	A	vlan15-52.azeronline.com
5.178.15.72	A	vlan15-72.azeronline.com
5.178.15.86	A	vlan15-86.azeronline.com
5.178.15.134	A	vlan15-134.azeronline.com
5.178.15.163	A	vlan15-163.azeronline.com
5.178.15.187	A	vlan15-187.azeronline.com
5.178.15.190	A	vlan15-190.azeronline.com
5.178.15.226	A+PTR	vlan15-226.azeronline.com
5.178.15.234	A	vlan15-234.azeronline.com
5.178.15.235	A	vlan15-235.azeronline.com
5.178.15.239	A	vlan15-239.azeronline.com