Robtex

Up: 173.27.48.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 173.27.48.0/22
Down right: 173.27.52.0/22

IP	Type	Hostname
173.27.48.1	A+PTR	173-27-48-1.client.mchsi.com
173.27.48.155	A+PTR	173-27-48-155.client.mchsi.com
173.27.48.178	A+PTR	173-27-48-178.client.mchsi.com
173.27.49.5	A	173-27-49-5.client.mchsi.com
173.27.51.250	A	173-27-51-250.client.mchsi.com
173.27.52.8	A+PTR	173-27-52-8.client.mchsi.com
173.27.52.25	A+PTR	173-27-52-25.client.mchsi.com
173.27.52.46	A	173-27-52-46.client.mchsi.com
173.27.52.58	A+PTR	173-27-52-58.client.mchsi.com
173.27.52.107	A+PTR	173-27-52-107.client.mchsi.com
173.27.52.109	A	173-27-52-109.client.mchsi.com
173.27.52.115	A+PTR	173-27-52-115.client.mchsi.com
173.27.52.166	A	173-27-52-166.client.mchsi.com
173.27.52.176	PTR	173-27-52-176.client.mchsi.com
173.27.52.187	A+PTR	173-27-52-187.client.mchsi.com
173.27.52.206	A	173-27-52-206.client.mchsi.com
173.27.52.243	A+PTR	173-27-52-243.client.mchsi.com
173.27.53.63	A	173-27-53-63.client.mchsi.com
173.27.53.165	A	173-27-53-165.client.mchsi.com
173.27.54.2	A+PTR	173-27-54-2.client.mchsi.com
173.27.54.3	A+PTR	173-27-54-3.client.mchsi.com
173.27.54.7	A	173-27-54-7.client.mchsi.com
173.27.54.8	A+PTR	173-27-54-8.client.mchsi.com
173.27.54.11	A+PTR	173-27-54-11.client.mchsi.com
173.27.54.12	A	173-27-54-12.client.mchsi.com
173.27.54.16	A+PTR	173-27-54-16.client.mchsi.com
173.27.54.18	A+PTR	173-27-54-18.client.mchsi.com
173.27.54.20	A	173-27-54-20.client.mchsi.com
173.27.54.27	A+PTR	173-27-54-27.client.mchsi.com
173.27.54.29	A	173-27-54-29.client.mchsi.com
173.27.54.36	A	173-27-54-36.client.mchsi.com
173.27.54.37	A	173-27-54-37.client.mchsi.com
173.27.54.39	A	173-27-54-39.client.mchsi.com
173.27.54.41	A+PTR	173-27-54-41.client.mchsi.com
173.27.54.45	A	173-27-54-45.client.mchsi.com
173.27.54.52	A	173-27-54-52.client.mchsi.com
173.27.54.54	A	173-27-54-54.client.mchsi.com
173.27.54.65	A+PTR	173-27-54-65.client.mchsi.com
173.27.54.66	A+PTR	173-27-54-66.client.mchsi.com
173.27.54.68	A	173-27-54-68.client.mchsi.com
173.27.54.69	A	173-27-54-69.client.mchsi.com
173.27.54.74	A+PTR	173-27-54-74.client.mchsi.com
173.27.54.78	A	173-27-54-78.client.mchsi.com
173.27.54.82	A+PTR	173-27-54-82.client.mchsi.com
173.27.54.87	A	173-27-54-87.client.mchsi.com
173.27.54.88	A+PTR	173-27-54-88.client.mchsi.com
173.27.54.90	A+PTR	173-27-54-90.client.mchsi.com
173.27.54.91	A+PTR	173-27-54-91.client.mchsi.com
173.27.54.92	A	173-27-54-92.client.mchsi.com
173.27.54.102	A	173-27-54-102.client.mchsi.com
173.27.54.104	A+PTR	173-27-54-104.client.mchsi.com
173.27.54.105	A+PTR	173-27-54-105.client.mchsi.com
173.27.54.109	A	173-27-54-109.client.mchsi.com
173.27.54.122	A+PTR	173-27-54-122.client.mchsi.com
173.27.54.125	A	173-27-54-125.client.mchsi.com
173.27.54.128	A+PTR	173-27-54-128.client.mchsi.com
173.27.54.133	A	173-27-54-133.client.mchsi.com
173.27.54.138	A+PTR	173-27-54-138.client.mchsi.com
173.27.54.146	A+PTR	173-27-54-146.client.mchsi.com
173.27.54.151	A	173-27-54-151.client.mchsi.com
173.27.54.153	A+PTR	173-27-54-153.client.mchsi.com
173.27.54.154	A+PTR	173-27-54-154.client.mchsi.com
173.27.54.159	A	173-27-54-159.client.mchsi.com
173.27.54.166	A	173-27-54-166.client.mchsi.com
173.27.54.169	A+PTR	173-27-54-169.client.mchsi.com
173.27.54.175	A	173-27-54-175.client.mchsi.com
173.27.54.187	A+PTR	173-27-54-187.client.mchsi.com
173.27.54.197	A	173-27-54-197.client.mchsi.com
173.27.54.202	A+PTR	173-27-54-202.client.mchsi.com
173.27.54.203	A+PTR	173-27-54-203.client.mchsi.com
173.27.54.204	A	173-27-54-204.client.mchsi.com
173.27.54.205	A	173-27-54-205.client.mchsi.com
173.27.54.210	A+PTR	173-27-54-210.client.mchsi.com
173.27.54.211	A+PTR	173-27-54-211.client.mchsi.com
173.27.54.229	A	173-27-54-229.client.mchsi.com
173.27.54.233	A+PTR	173-27-54-233.client.mchsi.com
173.27.54.236	A	173-27-54-236.client.mchsi.com
173.27.54.238	A	173-27-54-238.client.mchsi.com
173.27.54.239	A	173-27-54-239.client.mchsi.com
173.27.54.241	A+PTR	173-27-54-241.client.mchsi.com
173.27.54.247	A	173-27-54-247.client.mchsi.com
173.27.54.250	A+PTR	173-27-54-250.client.mchsi.com
173.27.55.4	A+PTR	173-27-55-4.client.mchsi.com
173.27.55.45	A+PTR	173-27-55-45.client.mchsi.com