Robtex

Up: 192.64.38.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 192.64.39.0/25
Down right: 192.64.39.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.64.39.8	PTR	a192-64-39-8.precisiondrilling.com
192.64.39.8	A	mail.axisenergyservices.com
192.64.39.8	A	safety.precisiondrilling.com
192.64.39.37	PTR	a192-64-39-37.precisiondrilling.com
192.64.39.37	A	ns1.precisiondrilling.com
192.64.39.41	PTR	a192-64-39-41.precisiondrilling.com
192.64.39.41	A	rigs.precisiondrilling.com
192.64.39.43	PTR	a192-64-39-43.precisiondrilling.com
192.64.39.43	A	bomgar.precisiondrilling.com
192.64.39.48	PTR	a192-64-39-48.precisiondrilling.com
192.64.39.48	A	clientvpn.precisiondrilling.com
192.64.39.55	PTR	a192-64-39-55.precisiondrilling.com
192.64.39.55	A	autodiscover.precisiondrilling.com
192.64.39.55	A	outlookanywhere.precisiondrilling.com
192.64.39.58	PTR	a192-64-39-58.precisiondrilling.com
192.64.39.58	A	netteprext.precisiondrilling.com
192.64.39.116	PTR	a192-64-39-116.precisiondrilling.com
192.64.39.116	A	precisiondrilling.com
192.64.39.117	PTR	a192-64-39-117.precisiondrilling.com
192.64.39.117	A	ns2.precisiondrilling.com
192.64.39.118	PTR	a192-64-39-118.precisiondrilling.com
192.64.39.118	A	toughnecks.net
192.64.39.118	A	precisiondrilling.info
192.64.39.208	PTR	a192-64-39-208.precisiondrilling.com
192.64.39.208	A	access.precisiondrilling.com
192.64.39.213	A	pdpedia.com