Robtex

Up: 96.43.153.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 96.43.153.0/26
Down right: 96.43.153.64/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
96.43.153.32	PTR	sfm-96.43.153.32.net.salesforce.com
96.43.153.32	A	cs32-wax.salesforce.com
96.43.153.33	PTR	cs32-1-wax.force.com
96.43.153.33	A	relaytest-citizenshipgrants.cs32.force.com
96.43.153.33	A	cs32.force.com
96.43.153.34	PTR	cs32-1-wax.my.salesforce.com
96.43.153.34	A	cs32-wax.my.salesforce.com
96.43.153.34	A	arapahoegov--prototype1.cs32.my.salesforce.com
96.43.153.36	PTR	cs33-1-wax.force.com
96.43.153.36	A	cs33-wax.force.com
96.43.153.36	A	cjms--qa--loop.cs33.visual.force.com
96.43.153.37	PTR	cs33-1-wax.my.salesforce.com
96.43.153.37	A	cs33-wax.my.salesforce.com
96.43.153.38	A	na21-wax.salesforce.com
96.43.153.38	A	na21.salesforce.com
96.43.153.39	PTR	na21-1-wax.force.com
96.43.153.39	A	cfsan.secure.force.com
96.43.153.39	A	community-fema.force.com
96.43.153.40	PTR	na21-1-wax.my.salesforce.com
96.43.153.40	A	na21.my.salesforce.com
96.43.153.40	A	elicenseohio.my.salesforce.com
96.43.153.48	PTR	na21-1-wax.inst.siteforce.com
96.43.153.48	A	na21-wax.inst.siteforce.com
96.43.153.64	A+PTR	smtp01-wax.mta.salesforce.com
96.43.153.69	A+PTR	smtp06-wax.mta.salesforce.com
96.43.153.70	A+PTR	smtp07-wax.mta.salesforce.com
96.43.153.76	PTR	smtp13-wax.mta.salesforce.com
96.43.153.78	A+PTR	smtp15-wax.mta.salesforce.com
96.43.153.82	PTR	umps1-1-wax.salesforce.com
96.43.153.82	A	0.umps1wx.salesforce.com
96.43.153.82	A	umps1wx.salesforce.com
96.43.153.83	PTR	la1-1-wax.salesforce.com
96.43.153.83	A	la1-wax.salesforceliveagent.com
96.43.153.83	A	d.la1wx.salesforceliveagent.com