Robtex

Up: 69.44.0.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 69.44.4.0/23
Down right: 69.44.6.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
69.44.4.4	A+PTR	resolver1.browndognetworks.com
69.44.4.5	A+PTR	ns1.browndognetworks.com
69.44.4.6	A+PTR	resolver2.browndognetworks.com
69.44.4.7	A+PTR	ns2.browndognetworks.com
69.44.4.12	A	mail.browndognetworks.com
69.44.4.13	A	jw-companies.com
69.44.4.18	PTR	planetspork.com
69.44.4.18	A	bigip1.planetspork.com
69.44.4.19	A+PTR	bigip1.planetspork.com
69.44.4.19	PTR	bigip2.planetspork.com
69.44.4.19	PTR	fp.planetspork.com
69.44.4.23	A	cloud.planetspork.com
69.44.4.25	PTR	www.marbleware.org
69.44.4.25	A	spa-chi.com
69.44.4.25	A	www.browndognetworks.com
69.44.4.27	PTR	proxy.planetspork.com
69.44.4.28	A	www.planetspork.com
69.44.4.28	A	planetspork.com
69.44.4.29	A	ns1.planetspork.com
69.44.4.30	A	ns2.planetspork.com
69.44.4.91	A	smtp.booksource.com
69.44.4.98	A	mail.joecrosby.net
69.44.4.98	A	sh1.browndognetworks.com
69.44.4.98	A	mail.joecrosby.org
69.44.4.101	A	mail.amfelectric.com
69.44.4.105	A	joecrosby.net
69.44.4.109	A	tomvoyeur.net
69.44.4.109	A	stl10.browndognetworks.com
69.44.4.109	A	mail.joecrosby.com
69.44.4.123	A	assuredwireless.com
69.44.4.123	A	naturallyyoupermanentcosmetics.net
69.44.4.123	A	lyonshire.com
69.44.4.125	A	jw-marine.com
69.44.6.252	A	mail.newcityschool.org
69.44.6.252	A	mail2.newcityschool.org
69.44.7.0	PTR	machine.browndognetworks.com
69.44.7.108	PTR	machine.browndognetworks.com
69.44.7.115	PTR	machine.browndognetworks.com
69.44.7.115	A	owa.envirotechstl.com
69.44.7.128	PTR	machine.browndognetworks.com
69.44.7.181	PTR	machine.browndognetworks.com
69.44.7.191	PTR	machine.browndognetworks.com
69.44.7.192	PTR	machine.browndognetworks.com
69.44.7.255	PTR	machine.browndognetworks.com