Robtex

Up: 192.58.192.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 192.58.193.0/25
Down right: 192.58.193.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.58.193.13	PTR	smtp.metrolist.net
192.58.193.13	A	smtp.calreb.org
192.58.193.35	PTR	metrolist.net
192.58.193.35	A	metrolistmls.com
192.58.193.37	PTR	prospector.metrolist.net
192.58.193.37	A	www.prospector.metrolist.net
192.58.193.160	A+PTR	search.metrolist.net
192.58.193.235	A+PTR	mic.metrolist.net
192.58.193.240	A+PTR	www.calreb.org
192.58.193.240	A	calreb.org
192.58.193.240	A	calreb.net
192.58.193.247	A+PTR	ns03.metrolist.net
192.58.193.248	A+PTR	ns04.metrolist.net