Robtex

Up: 204.194.20.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 204.194.22.0/24
Down right: 204.194.23.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
204.194.22.1	A	smtp1.kumari.net
204.194.22.10	PTR	vimes.kumari.net
204.194.22.101	PTR	dnssecondary.auth-servers.net
204.194.22.102	PTR	www.watersprings.org
204.194.22.103	A	pg.auth-servers.net
204.194.23.2	A	angua.kumari.net
204.194.23.4	A+PTR	ron.kumari.net
204.194.23.4	A	lmnkedin.com
204.194.23.4	A	ne-where.org
204.194.23.130	A	angua-2.kumari.net