Robtex

Up: 12.200.60.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 12.200.60.0/25
Down right: 12.200.60.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
12.200.60.28	A	sip.caiso.com
12.200.60.57	A	www.westerneim.com
12.200.60.58	A	www.westerneim.com
12.200.60.66	A	oasis.caiso.com
12.200.60.68	A	ciso.caiso.com
12.200.60.68	A	wwwlegacy.caiso.com
12.200.60.68	A	foliweb7.caiso.com
12.200.60.90	PTR	legacyowa.caiso.com
12.200.60.90	PTR	owa.caiso.com
12.200.60.92	A	folcitrix1.caiso.com
12.200.60.98	A+PTR	etag.caiso.com
12.200.60.98	A+PTR	ads1.caiso.com
12.200.60.98	A	portal.caiso.com
12.200.60.99	A+PTR	etag.caiso.com
12.200.60.99	A+PTR	ads2.caiso.com
12.200.60.99	A	portal.caiso.com
12.200.60.131	A	portaleim.caiso.com
12.200.60.135	A+PTR	caiso.com
12.200.60.135	A	www.caiso.com
12.200.60.136	A+PTR	caiso.com
12.200.60.136	A	www.caiso.com
12.200.60.213	A+PTR	fmxp01.caiso.com
12.200.60.214	A+PTR	fmxp02.caiso.com
12.200.60.218	A	wsmap.caiso.com
12.200.60.222	A	fmxp.caliso.org
12.200.60.228	A	ns1.caiso.com
12.200.60.237	A+PTR	adsstage1.caiso.com
12.200.60.242	A	owa.caiso.com