Robtex

Up: 192.70.212.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 192.70.213.0/25
Down right: 192.70.213.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
192.70.213.5	A+PTR	leviticus.grebyn.com
192.70.213.5	A	www.adatutor.com
192.70.213.5	A	www.escom.com
192.70.213.6	A+PTR	genesis.grebyn.com
192.70.213.7	A+PTR	laws.grebyn.com
192.70.213.54	A+PTR	host54.grebyn.com
192.70.213.163	A	los.grebyn.com