shell:$ nslookup -timeout=2 -retry=1 'ip-ranges.amazonaws.com'
Server:		75.98.161.224
Address:	75.98.161.224#53

Non-authoritative answer:
ip-ranges.amazonaws.com	canonical name = d3mduebighmd0u.cloudfront.net.
Name:	d3mduebighmd0u.cloudfront.net
Address: 108.156.91.83
Name:	d3mduebighmd0u.cloudfront.net
Address: 108.156.91.129
Name:	d3mduebighmd0u.cloudfront.net
Address: 108.156.91.89
Name:	d3mduebighmd0u.cloudfront.net
Address: 108.156.91.90