Robtex

Up: 66.117.21.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 66.117.21.128/26
Down right: 66.117.21.192/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
66.117.21.241	PTR	tardis-dpc1.omtrdc.net
66.117.21.241	A	nbnco.com.au.d1.sc.omtrdc.net
66.117.21.241	A	www.d1.sc.omtrdc.net
66.117.21.242	PTR	tardis-dpc2.omtrdc.net
66.117.21.242	A	metrics.marriott.com
66.117.21.242	A	metric.trulia.com
66.117.21.243	PTR	tardis-dpc3.omtrdc.net
66.117.21.243	A	bbvave.d3.sc.omtrdc.net
66.117.21.243	A	de.ssl.d3.sc.omtrdc.net
66.117.21.244	PTR	tardis-any.omtrdc.net
66.117.21.244	A	charlotterusse.sc.omtrdc.net
66.117.21.244	A	repdata.golfweek.com
66.117.21.245	PTR	*.112.2o7.net
66.117.21.245	A	hotels.112.2o7.net
66.117.21.245	A	lenovoappssystemupdateprod.112.2o7.net