Robtex

Up: 66.51.208.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 66.51.208.0/23
Down right: 66.51.210.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.51.208.10	A+PTR	adsl-66-51-208-10.dslextreme.com
66.51.208.37	A	adsl-66-51-208-37.dslextreme.com
66.51.208.39	A	adsl-66-51-208-39.dslextreme.com
66.51.208.105	A	adsl-66-51-208-105.dslextreme.com
66.51.208.114	A	adsl-66-51-208-114.dslextreme.com
66.51.208.122	PTR	netblock-66-51-208-122.dslextreme.com
66.51.208.122	A	adsl-66-51-208-122.dslextreme.com
66.51.208.137	A	adsl-66-51-208-137.dslextreme.com
66.51.208.148	A	adsl-66-51-208-148.dslextreme.com
66.51.209.11	A	adsl-66-51-209-11.dslextreme.com
66.51.209.63	A	adsl-66-51-209-63.dslextreme.com
66.51.209.65	A	adsl-66-51-209-65.dslextreme.com
66.51.209.120	A	lavadeed.info
66.51.209.131	A	adsl-66-51-209-131.dslextreme.com
66.51.209.189	A	adsl-66-51-209-189.dslextreme.com
66.51.209.197	A+PTR	www.4footed.com
66.51.209.197	A	geekloft.net
66.51.209.197	A	fakemyowndeath.com
66.51.209.238	A	adsl-66-51-209-238.dslextreme.com
66.51.209.243	A	adsl-66-51-209-243.dslextreme.com
66.51.210.10	A	adsl-66-51-210-10.dslextreme.com
66.51.210.10	A	mail.willowbay.com
66.51.210.51	A	adsl-66-51-210-51.dslextreme.com
66.51.210.64	A+PTR	adsl-66-51-210-64.dslextreme.com
66.51.210.67	A	adsl-66-51-210-67.dslextreme.com
66.51.210.101	PTR	netblock-66-51-210-101.dslextreme.com
66.51.210.101	A	adsl-66-51-210-101.dslextreme.com
66.51.210.108	A	adsl-66-51-210-108.dslextreme.com
66.51.210.109	A	adsl-66-51-210-109.dslextreme.com
66.51.210.140	PTR	netblock-66-51-210-140.dslextreme.com
66.51.210.140	A	*.healthproduct.com
66.51.210.140	A	mail.zamot.com
66.51.210.217	A	adsl-66-51-210-217.dslextreme.com
66.51.211.85	A	houseofmouse.us
66.51.211.115	A	adsl-66-51-211-115.dslextreme.com
66.51.211.147	A	adsl-66-51-211-147.dslextreme.com
66.51.211.174	A	adsl-66-51-211-174.dslextreme.com
66.51.211.185	A	adsl-66-51-211-185.dslextreme.com
66.51.211.222	A+PTR	adsl-66-51-211-222.dslextreme.com
66.51.211.236	A	adsl-66-51-211-236.dslextreme.com