Robtex

Up: 198.58.64.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 198.58.64.0/22
Down right: 198.58.68.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
198.58.64.1	PTR	m64001.iteris.com
198.58.64.5	A	mail-ext.iteris.com
198.58.64.17	PTR	m64017.iteris.com
198.58.64.18	A+PTR	www.iteris.com
198.58.64.18	A	iteris.com
198.58.65.2	A+PTR	dummy-ns1.iteris.com
198.58.65.2	PTR	m65002.iteris.com
198.58.65.2	A+PTR	ns1.iteris.com
198.58.65.3	PTR	m65003.iteris.com
198.58.65.43	PTR	m65043.iteris.com
198.58.65.73	PTR	m65073.iteris.com
198.58.65.97	PTR	m65097.iteris.com
198.58.65.105	PTR	m65105.iteris.com
198.58.65.106	PTR	m65106.iteris.com
198.58.65.139	PTR	m65139.iteris.com
198.58.65.147	PTR	m65147.iteris.com
198.58.65.155	PTR	m65155.iteris.com
198.58.65.186	PTR	m65186.iteris.com
198.58.65.192	PTR	m65192.iteris.com
198.58.65.193	PTR	m65193.iteris.com
198.58.65.203	PTR	m65203.iteris.com
198.58.65.211	PTR	m65211.iteris.com
198.58.65.235	PTR	m65235.iteris.com
198.58.65.249	PTR	m65249.iteris.com
198.58.66.6	A	bulldog.iteris.com
198.58.68.16	PTR	m68016.iteris.com
198.58.68.16	A	keystone.meridian-enviro.com
198.58.68.193	PTR	ceti-3.meridian-enviro.com
198.58.69.12	A	brine.meridian-enviro.com
198.58.69.14	A	ns0.meridian-enviro.com
198.58.69.14	A	venus.meridian-enviro.com
198.58.69.15	A	mercury.meridian-enviro.com
198.58.69.46	A	mail-0.meridian-enviro.com
198.58.69.46	A	mail.meridian-enviro.com
198.58.69.47	A	mail.meridian-enviro.com
198.58.69.57	A+PTR	dione.meridian-enviro.com
198.58.69.252	A	www-varnish-00.meridian-enviro.com
198.58.69.252	A	webmdss.com
198.58.69.252	A	511sc.org.canonical.meridian-enviro.com
198.58.70.67	A+PTR	ns1.odetics.com
198.58.70.67	A	odetics.com
198.58.70.68	A	ns2.odetics.com
198.58.70.69	A	dummy-ns2.iteris.com