Robtex

Up: 192.198.28.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 192.198.29.0/25
Down right: 192.198.29.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.198.29.6	PTR	ip192-198-29-6.cobaltnap.com
192.198.29.6	A	adcontrol.com
192.198.29.16	PTR	ip192-198-29-16.cobaltnap.com
192.198.29.25	PTR	ip192-198-29-25.cobaltnap.com
192.198.29.25	A	codeorangeinc.com
192.198.29.27	A	mx.azrosary.org
192.198.29.27	A	mx.azrosary.com
192.198.29.27	A	azknightsofcolumbus.com
192.198.29.28	PTR	ip192-198-29-28.cobaltnap.com
192.198.29.28	A	voiceoverlines.com
192.198.29.29	PTR	ip192-198-29-29.cobaltnap.com
192.198.29.29	A	prestongarrison.com
192.198.29.50	PTR	ip192-198-29-50.cobaltnap.com
192.198.29.52	PTR	ip192-198-29-52.cobaltnap.com
192.198.29.68	PTR	ip192-198-29-68.cobaltnap.com
192.198.29.69	PTR	ip192-198-29-69.cobaltnap.com
192.198.29.77	PTR	ip192-198-29-77.cobaltnap.com
192.198.29.130	PTR	ip192-198-29-130.cobaltnap.com
192.198.29.135	PTR	ip192-198-29-135.cobaltnap.com
192.198.29.155	PTR	ip192-198-29-155.cobaltnap.com
192.198.29.173	PTR	ip192-198-29-173.cobaltnap.com
192.198.29.176	PTR	ip192-198-29-176.cobaltnap.com
192.198.29.181	PTR	ip192-198-29-181.cobaltnap.com
192.198.29.187	PTR	ip192-198-29-187.cobaltnap.com
192.198.29.197	PTR	ip192-198-29-197.cobaltnap.com
192.198.29.198	PTR	ip192-198-29-198.cobaltnap.com
192.198.29.199	PTR	ip192-198-29-199.cobaltnap.com
192.198.29.200	PTR	ip192-198-29-200.cobaltnap.com
192.198.29.209	PTR	ip192-198-29-209.cobaltnap.com
192.198.29.210	PTR	ip192-198-29-210.cobaltnap.com
192.198.29.214	PTR	ip192-198-29-214.cobaltnap.com
192.198.29.227	PTR	ip192-198-29-227.cobaltnap.com
192.198.29.229	PTR	ip192-198-29-229.cobaltnap.com
192.198.29.239	PTR	ip192-198-29-239.cobaltnap.com
192.198.29.253	A	isabellagarrison.com
192.198.29.253	A	prestongarrisoniii.com