Robtex

Up: 66.206.96.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 66.206.112.0/21
Down right: 66.206.120.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.206.112.0	PTR	42ce7000.unknown.oainc.net
66.206.112.162	PTR	42ce70a2.unknown.oainc.net
66.206.112.162	A	cstdesigns.com
66.206.114.40	PTR	mail.sddlabs.com
66.206.114.132	PTR	114.206.66.132.lightower.com
66.206.114.132	A	pul-llc.com
66.206.114.149	A+PTR	exchhub01.premiersvc.com
66.206.114.153	A	premiersvcs.com
66.206.114.157	PTR	114.206.66.157.lightower.com
66.206.114.157	A	mypremierportal.com
66.206.114.164	PTR	114.206.66.164.lightower.com
66.206.114.164	A	www.mgasystems.com
66.206.114.164	A	icentricinc.com
66.206.114.170	PTR	114.206.66.170.lightower.com
66.206.114.195	PTR	114.206.66.195.lightower.com
66.206.114.227	PTR	mail2.oceanside.k12.ny.us
66.206.114.227	A	mail1.oceansideschools.org
66.206.114.227	A	mail2.oceansideschools.org
66.206.114.235	PTR	oceanside.k12.ny.us
66.206.114.235	A	oceansideschools.org
66.206.114.235	A	www.oceansideschools.org
66.206.114.240	PTR	ns1.oceanside.k12.ny.us
66.206.114.240	A	ns1.oceansideschools.org
66.206.114.251	A+PTR	webmail.oceansideschools.org
66.206.115.8	PTR	mail.healthdiag.net
66.206.115.44	PTR	batch2.realtyquest.com
66.206.115.162	PTR	mailx.sewanhaka.k12.ny.us
66.206.115.195	A+PTR	gtmny.aperioci.com
66.206.115.200	A	mail1.aperioci.com
66.206.115.200	A	dns2.intelecom.com
66.206.115.206	A	www.aperioci.com
66.206.116.3	PTR	42ce7403.unknown.oainc.net
66.206.117.23	A	visagraph.eu
66.206.117.23	A	visagraph.at
66.206.117.82	PTR	mail.midlandamcap.com
66.206.117.82	A	mail.1940actdept.com
66.206.117.100	A	a.mx.mgaims.com
66.206.117.100	A	mail.complexcoverage.com
66.206.117.100	A	mail.kncinc.com
66.206.117.242	PTR	42ce75f2.unknown.oainc.net
66.206.117.242	A	www.unitedwww.com
66.206.117.242	A	unitedwww.com
66.206.117.246	A	smtp.unitedwww.com
66.206.119.136	A	6187df.dioxidewheelch.webcam
66.206.119.136	A	dioxidewheelch.webcam
66.206.120.23	A	4seasonsfishing.com
66.206.120.38	A	vivic.com
66.206.120.38	A	*.vivic.com
66.206.120.40	A	mail.vivic.com
66.206.125.14	A	madisonbowen.com
66.206.125.254	A	baldwinschools.net
66.206.126.162	PTR	mailx.sewanhaka.k12.ny.us