Robtex

Up: 66.218.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 66.218.0.0/20
Down right: 66.218.16.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.218.0.8	A	hostedservices.usadatanet.net
66.218.0.9	A	signup-server.usadatanet.net
66.218.0.11	A	portal.usadatanet.net
66.218.0.13	A	noc.usadatanet.net
66.218.0.32	A+PTR	ssg2.wvtbusiness.com
66.218.0.40	A	oldhome.usadatanet.net
66.218.0.50	A	bigboombob.usadatanet.net
66.218.0.60	A	clamav.usadatanet.net
66.218.0.65	A	gateway-66-218-0-64.usadatanet.net
66.218.0.66	A	gemini.usadatanet.net
66.218.0.73	A	alt1.usadatanet.net
66.218.0.74	A	alt2.usadatanet.net
66.218.0.129	A	gateway-66-218-0-128.usadatanet.net
66.218.1.1	PTR	syr-state-6th-pix-outside-ge0.usadatanet.com
66.218.1.3	A	nat-66-218-1-3.usadatanet.com
66.218.1.7	A	nat-66-218-1-7.usadatanet.com
66.218.1.8	A	nat-66-218-1-8.usadatanet.com
66.218.1.9	A	nat-66-218-1-9.usadatanet.com
66.218.1.32	A	nat-66-218-1-32.usadatanet.com
66.218.1.33	A	nat-66-218-1-33.usadatanet.com
66.218.1.34	A	nat-66-218-1-34.usadatanet.com
66.218.1.35	A	nat-66-218-1-35.usadatanet.com
66.218.1.64	A+PTR	nat-66-218-1-64.usadatanet.com
66.218.1.65	A+PTR	nat-66-218-1-65.usadatanet.com
66.218.1.66	A	nat-66-218-1-66.usadatanet.com
66.218.1.67	A	nat-66-218-1-67.usadatanet.com
66.218.1.96	A	nat-66-218-1-96.usadatanet.com
66.218.1.97	A+PTR	nat-66-218-1-97.usadatanet.com
66.218.1.98	A	nat-66-218-1-98.usadatanet.com
66.218.1.99	A	nat-66-218-1-99.usadatanet.com
66.218.1.128	A	nat-66-218-1-128.usadatanet.com
66.218.1.129	A	nat-66-218-1-129.usadatanet.com
66.218.1.130	A	nat-66-218-1-130.usadatanet.com
66.218.1.131	A	nat-66-218-1-131.usadatanet.com
66.218.1.160	A	nat-66-218-1-160.usadatanet.com
66.218.1.161	A	nat-66-218-1-161.usadatanet.com
66.218.1.162	A	nat-66-218-1-162.usadatanet.com
66.218.1.163	A	nat-66-218-1-163.usadatanet.com
66.218.1.192	A	nat-66-218-1-192.usadatanet.com
66.218.1.193	A	nat-66-218-1-193.usadatanet.com
66.218.1.194	A	nat-66-218-1-194.usadatanet.com
66.218.1.195	A	nat-66-218-1-195.usadatanet.com
66.218.1.224	A+PTR	nat-66-218-1-224.usadatanet.com
66.218.1.225	A+PTR	nat-66-218-1-225.usadatanet.com
66.218.1.226	A	nat-66-218-1-226.usadatanet.com
66.218.1.227	A	nat-66-218-1-227.usadatanet.com
66.218.2.1	PTR	omega-gateway.hosted.usadatanet.com
66.218.2.44	A	ancorpropertygroup.com
66.218.2.94	A	mail.upstatehomecare.com
66.218.2.107	A	nsa.usbeveragenet.net
66.218.2.242	A	webmail2.op-tech.us
66.218.4.1	A	hostedservice-66-218-4-1.usadatanet.com
66.218.4.2	A	hostedservice-66-218-4-2.usadatanet.com
66.218.4.3	A	hostedservice-66-218-4-3.usadatanet.com
66.218.4.4	A	hostedservice-66-218-4-4.usadatanet.com
66.218.4.34	PTR	mail.spoleta.com
66.218.4.254	PTR	sti-tech.com
66.218.4.254	A	mail.sti-tech.com
66.218.4.254	A	mail.adkxlvir.com
66.218.5.2	PTR	extra.benchmarkmedia.com
66.218.5.2	A	mail3.benchmarkmedia.com
66.218.5.9	PTR	calmar-gateway.usadatanet.com
66.218.5.10	A	myhivis.com
66.218.5.10	A	adamkovar.com
66.218.5.11	A	adamkovar.com
66.218.5.11	A	iconetraffic.com
66.218.6.3	A	hostedservice-66-218-6-3.usadatanet.com
66.218.6.35	PTR	mail.comfortwindows.com
66.218.6.35	A	mail.comfortwindow.com
66.218.6.36	A	mail.galaxymfgcompany.com
66.218.7.1	A	hostedservice-66-218-7-1.usadatanet.com
66.218.7.2	A	hostedservice-66-218-7-2.usadatanet.com
66.218.7.3	A+PTR	hostedservice-66-218-7-3.usadatanet.com
66.218.7.4	A	hostedservice-66-218-7-4.usadatanet.com
66.218.8.2	A+PTR	legacy.rmsyr.org
66.218.8.4	A	mail.rmsyr.org
66.218.9.128	A	hostedservice-66-218-9-128.usadatanet.com
66.218.9.129	A	hostedservice-66-218-9-129.usadatanet.com
66.218.9.130	A	hostedservice-66-218-9-130.usadatanet.com
66.218.9.131	A	hostedservice-66-218-9-131.usadatanet.com
66.218.9.229	A	mail.wzvlaw.com
66.218.9.229	A	mail.wzlaw.org
66.218.10.3	A	syr3.clarityconnect.net
66.218.12.1	PTR	dial-66-218-12-1.usadatanet.com
66.218.13.2	PTR	dial-66-218-13-2.usadatanet.com
66.218.13.32	PTR	dial-66-218-13-32.usadatanet.com
66.218.16.20	A+PTR	mail.ezfaxcenter.com
66.218.16.20	A	ezfaxcenter.com
66.218.16.90	A	portal.wvtbusiness.com
66.218.16.90	A	hostedservices.usadatanet.com
66.218.16.91	A	portal-lab.wvtbusiness.com
66.218.16.99	A	pbxadmin.usadatanet.net
66.218.16.141	A	portal1.usadatanet.net
66.218.16.142	A	portal2.usadatanet.net
66.218.16.143	A	portal3.usadatanet.net
66.218.16.144	A	portal4.usadatanet.net
66.218.16.241	A	cybertool.usadatanet.net
66.218.16.248	A	director5.usadatanet.net
66.218.16.249	A	director6.usadatanet.net
66.218.16.250	PTR	www.usadatanet.com
66.218.17.2	A	dial-66-218-17-2.usadatanet.com
66.218.18.2	A+PTR	dial-66-218-18-2.usadatanet.com
66.218.19.2	A	dial-66-218-19-2.usadatanet.com