Robtex

Up: 208.92.72.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 208.92.72.0/23
Down right: 208.92.74.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
208.92.72.54	A+PTR	vpn.hcontrol.com
208.92.72.83	PTR	venadit83.fplcore.hcontrol.com
208.92.72.84	PTR	venadit84.fplcore.hcontrol.com
208.92.72.94	PTR	venadit94.fplcore.hcontrol.com
208.92.72.114	PTR	sql.hcontrol.com
208.92.72.114	A	ngnvoip.com
208.92.72.114	A	ns1.hcontrol.com
208.92.72.115	PTR	mail.hcontrol.com
208.92.72.115	A	mail.hcontrolholdings.net
208.92.72.116	A+PTR	mail2.hcontrol.com
208.92.72.116	A	mail2.direct-tv.tv
208.92.72.117	A	ns0.hcontrol.com
208.92.72.118	PTR	host-208-92-72-118.reverse.opticaltel.com
208.92.72.118	A	ns2.hcontrol.com
208.92.72.119	PTR	assp1.hcontrol.com
208.92.72.121	A+PTR	zmail.hcontrol.net
208.92.72.122	PTR	mail.rigotech.net
208.92.72.122	A	hitthelotto.net
208.92.72.122	A	happybacon.net
208.92.72.146	PTR	sql.hcontrol.com
208.92.72.146	A	hcontrolholdings.net
208.92.72.146	A	hcontrolholdings.com