Robtex

Up: 199.83.123.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 199.83.123.128/26
Down right: 199.83.123.192/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
199.83.123.152	PTR	e-199-83-123-152.lax.ca.globaldatalink.com
199.83.123.152	A	ns5.globaldatalink.com
199.83.123.200	PTR	e-199-83-123-200.lax.ca.globaldatalink.com
199.83.123.200	A	ns2.la-sheriff.org
199.83.123.200	A	htmlemail.lasd.org