Robtex

Up: 166.1.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 166.1.32.0/21
Down right: 166.1.40.0/21

IP	Type	Hostname
166.1.32.2	A+PTR	166-1-32-2.acedatacenter.com
166.1.36.10	A	166-1-36-10.acedatacenter.com
166.1.36.11	A	166-1-36-11.acedatacenter.com
166.1.36.12	A	166-1-36-12.acedatacenter.com
166.1.36.13	A	166-1-36-13.acedatacenter.com
166.1.36.16	A	166-1-36-16.acedatacenter.com
166.1.36.17	A	166-1-36-17.acedatacenter.com
166.1.36.18	A	166-1-36-18.acedatacenter.com
166.1.36.19	A	166-1-36-19.acedatacenter.com
166.1.36.32	A	166-1-36-32.acedatacenter.com
166.1.36.33	A	166-1-36-33.acedatacenter.com
166.1.36.34	A	166-1-36-34.acedatacenter.com
166.1.36.35	A	166-1-36-35.acedatacenter.com
166.1.36.48	A	166-1-36-48.acedatacenter.com
166.1.36.49	A+PTR	166-1-36-49.acedatacenter.com
166.1.36.50	A	166-1-36-50.acedatacenter.com
166.1.36.51	A	166-1-36-51.acedatacenter.com
166.1.36.64	A+PTR	166-1-36-64.acedatacenter.com
166.1.36.65	A	166-1-36-65.acedatacenter.com
166.1.36.66	A+PTR	166-1-36-66.acedatacenter.com
166.1.36.67	A+PTR	166-1-36-67.acedatacenter.com
166.1.36.80	A+PTR	166-1-36-80.acedatacenter.com
166.1.36.82	A	166-1-36-82.acedatacenter.com
166.1.36.83	A	166-1-36-83.acedatacenter.com
166.1.36.84	A	166-1-36-84.acedatacenter.com
166.1.36.96	A	166-1-36-96.acedatacenter.com
166.1.36.97	A+PTR	166-1-36-97.acedatacenter.com
166.1.36.98	A+PTR	166-1-36-98.acedatacenter.com
166.1.36.99	A	166-1-36-99.acedatacenter.com
166.1.40.9	A	166-1-40-9.acedatacenter.com
166.1.40.41	A	166-1-40-41.acedatacenter.com
166.1.40.44	A	166-1-40-44.acedatacenter.com
166.1.40.66	A+PTR	166-1-40-66.acedatacenter.com
166.1.40.70	A	166-1-40-70.acedatacenter.com
166.1.40.89	A	166-1-40-89.acedatacenter.com
166.1.40.107	A	166-1-40-107.acedatacenter.com
166.1.40.144	A+PTR	166-1-40-144.acedatacenter.com
166.1.40.162	A+PTR	166-1-40-162.acedatacenter.com
166.1.40.242	A+PTR	166-1-40-242.acedatacenter.com
166.1.44.18	A+PTR	166-1-44-18.acedatacenter.com
166.1.44.103	A	166-1-44-103.acedatacenter.com
166.1.44.152	A	166-1-44-152.acedatacenter.com