Robtex

Up: 173.22.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 173.22.40.0/22
Down right: 173.22.44.0/22

IP	Type	Hostname
173.22.40.0	A+PTR	173-22-40-0.client.mchsi.com
173.22.41.96	A	173-22-41-96.client.mchsi.com
173.22.42.117	A	173-22-42-117.client.mchsi.com
173.22.42.117	A	maxpete.net
173.22.42.117	A	computmaxer.com
173.22.42.219	A+PTR	173-22-42-219.client.mchsi.com
173.22.42.247	A	173-22-42-247.client.mchsi.com
173.22.43.3	A+PTR	173-22-43-3.client.mchsi.com
173.22.43.6	A	173-22-43-6.client.mchsi.com
173.22.43.9	A+PTR	173-22-43-9.client.mchsi.com
173.22.43.10	A+PTR	173-22-43-10.client.mchsi.com
173.22.43.11	A+PTR	173-22-43-11.client.mchsi.com
173.22.43.17	A+PTR	173-22-43-17.client.mchsi.com
173.22.43.20	A	173-22-43-20.client.mchsi.com
173.22.43.24	A+PTR	173-22-43-24.client.mchsi.com
173.22.43.27	A+PTR	173-22-43-27.client.mchsi.com
173.22.43.31	A	173-22-43-31.client.mchsi.com
173.22.43.34	A+PTR	173-22-43-34.client.mchsi.com
173.22.43.38	A	173-22-43-38.client.mchsi.com
173.22.43.39	A	173-22-43-39.client.mchsi.com
173.22.43.44	A	173-22-43-44.client.mchsi.com
173.22.43.45	A	173-22-43-45.client.mchsi.com
173.22.43.46	A	173-22-43-46.client.mchsi.com
173.22.43.59	A+PTR	173-22-43-59.client.mchsi.com
173.22.43.61	A	173-22-43-61.client.mchsi.com
173.22.43.63	A	173-22-43-63.client.mchsi.com
173.22.43.72	A+PTR	173-22-43-72.client.mchsi.com
173.22.43.73	A+PTR	173-22-43-73.client.mchsi.com
173.22.43.75	A+PTR	173-22-43-75.client.mchsi.com
173.22.43.79	A	173-22-43-79.client.mchsi.com
173.22.43.80	A+PTR	173-22-43-80.client.mchsi.com
173.22.43.100	A	173-22-43-100.client.mchsi.com
173.22.43.102	A	173-22-43-102.client.mchsi.com
173.22.43.104	A+PTR	173-22-43-104.client.mchsi.com
173.22.43.109	A	173-22-43-109.client.mchsi.com
173.22.43.112	A+PTR	173-22-43-112.client.mchsi.com
173.22.43.114	A+PTR	173-22-43-114.client.mchsi.com
173.22.43.118	A	173-22-43-118.client.mchsi.com
173.22.43.121	A+PTR	173-22-43-121.client.mchsi.com
173.22.43.122	A+PTR	173-22-43-122.client.mchsi.com
173.22.43.146	A+PTR	173-22-43-146.client.mchsi.com
173.22.43.147	A+PTR	173-22-43-147.client.mchsi.com
173.22.43.148	A	173-22-43-148.client.mchsi.com
173.22.43.151	A	173-22-43-151.client.mchsi.com
173.22.43.153	A	173-22-43-153.client.mchsi.com
173.22.43.154	A+PTR	173-22-43-154.client.mchsi.com
173.22.43.155	PTR	173-22-43-155.client.mchsi.com
173.22.43.156	A	173-22-43-156.client.mchsi.com
173.22.43.158	A	173-22-43-158.client.mchsi.com
173.22.43.162	A+PTR	173-22-43-162.client.mchsi.com
173.22.43.173	A	173-22-43-173.client.mchsi.com
173.22.43.178	A+PTR	173-22-43-178.client.mchsi.com
173.22.43.179	A+PTR	173-22-43-179.client.mchsi.com
173.22.43.180	A	173-22-43-180.client.mchsi.com
173.22.43.182	A	173-22-43-182.client.mchsi.com
173.22.43.186	A+PTR	173-22-43-186.client.mchsi.com
173.22.43.189	A	173-22-43-189.client.mchsi.com
173.22.43.192	A+PTR	173-22-43-192.client.mchsi.com
173.22.43.194	A+PTR	173-22-43-194.client.mchsi.com
173.22.43.195	A+PTR	173-22-43-195.client.mchsi.com
173.22.43.213	A	173-22-43-213.client.mchsi.com
173.22.43.214	A	173-22-43-214.client.mchsi.com
173.22.43.216	A+PTR	173-22-43-216.client.mchsi.com
173.22.43.217	A+PTR	173-22-43-217.client.mchsi.com
173.22.43.219	A+PTR	173-22-43-219.client.mchsi.com
173.22.43.221	A	173-22-43-221.client.mchsi.com
173.22.43.227	A+PTR	173-22-43-227.client.mchsi.com
173.22.43.232	A+PTR	173-22-43-232.client.mchsi.com
173.22.43.236	A	173-22-43-236.client.mchsi.com
173.22.43.237	A	173-22-43-237.client.mchsi.com
173.22.43.239	A	173-22-43-239.client.mchsi.com
173.22.43.246	A	173-22-43-246.client.mchsi.com
173.22.43.248	A+PTR	173-22-43-248.client.mchsi.com
173.22.43.250	A+PTR	173-22-43-250.client.mchsi.com
173.22.43.251	A+PTR	173-22-43-251.client.mchsi.com
173.22.44.240	PTR	173-22-44-240.client.mchsi.com
173.22.46.216	A	173-22-46-216.client.mchsi.com
173.22.47.87	A+PTR	173-22-47-87.client.mchsi.com