Robtex

Up: 96.43.156.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 96.43.156.0/24
Down right: 96.43.157.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
96.43.156.24	PTR	custom-domain-96.43.156.24.net.salesforce.com
96.43.156.25	PTR	custom-domain-96.43.156.25.net.salesforce.com
96.43.156.253	A	ns1.database.com
96.43.156.253	A	ns2.database.com
96.43.156.253	A	login.database.com