Robtex

Up: 13.33.42.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 13.33.42.128/26
Down right: 13.33.42.192/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
13.33.42.128	A+PTR	server-13-33-42-128.lax3.r.cloudfront.net
13.33.42.128	A	d2jyugty5j87ft.cloudfront.net
13.33.42.128	A	d3c2dqx5osm6vy.cloudfront.net
13.33.42.129	A+PTR	server-13-33-42-129.lax3.r.cloudfront.net
13.33.42.129	A	d32nc9uc0k0hny.cloudfront.net
13.33.42.129	A	favboard.com
13.33.42.148	A+PTR	server-13-33-42-148.lax3.r.cloudfront.net
13.33.42.187	PTR	server-13-33-42-187.lax3.r.cloudfront.net
13.33.42.210	A+PTR	server-13-33-42-210.lax3.r.cloudfront.net
13.33.42.223	PTR	server-13-33-42-223.lax3.r.cloudfront.net
13.33.42.232	PTR	server-13-33-42-232.lax3.r.cloudfront.net
13.33.42.232	A	www.micpn.com
13.33.42.232	A	n7v3e8x0.micpn.com
13.33.42.234	A+PTR	server-13-33-42-234.lax3.r.cloudfront.net