Robtex

Up: 13.33.212.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 13.33.212.0/26
Down right: 13.33.212.64/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
13.33.212.6	A+PTR	server-13-33-212-6.nrt57.r.cloudfront.net
13.33.212.6	A	d678xndbtuwrj.cloudfront.net
13.33.212.6	A	d3s7hvut1nzgl4.cloudfront.net
13.33.212.9	PTR	server-13-33-212-9.nrt57.r.cloudfront.net
13.33.212.9	A	cdn01.mzbcdn.net
13.33.212.18	A+PTR	server-13-33-212-18.nrt57.r.cloudfront.net
13.33.212.18	A	awscloud.com
13.33.212.18	A	www.awscloud.com
13.33.212.30	A+PTR	server-13-33-212-30.nrt57.r.cloudfront.net
13.33.212.30	A	d1ryuy4y1zjdgm.cloudfront.net
13.33.212.30	A	dx5j298u9prpu.cloudfront.net
13.33.212.42	A+PTR	server-13-33-212-42.nrt57.r.cloudfront.net
13.33.212.42	A	d3ptv3vjw0rtcu.cloudfront.net
13.33.212.51	A+PTR	server-13-33-212-51.nrt57.r.cloudfront.net
13.33.212.51	A	d2ebkda27rrzow.cloudfront.net
13.33.212.62	PTR	server-13-33-212-62.nrt57.r.cloudfront.net
13.33.212.62	A	euc-assets3.freshdesk.com
13.33.212.62	A	euc-assets6.freshdesk.com
13.33.212.69	A+PTR	server-13-33-212-69.nrt57.r.cloudfront.net
13.33.212.69	A	d3apz0saa5hrj5.cloudfront.net
13.33.212.74	A+PTR	server-13-33-212-74.nrt57.r.cloudfront.net
13.33.212.74	A	d11remhs00bd04.cloudfront.net
13.33.212.88	A+PTR	server-13-33-212-88.nrt57.r.cloudfront.net
13.33.212.88	A	freshservice.com.br
13.33.212.97	A+PTR	server-13-33-212-97.nrt57.r.cloudfront.net
13.33.212.97	A	d179sqwjk01vnp.cloudfront.net
13.33.212.102	A+PTR	server-13-33-212-102.nrt57.r.cloudfront.net
13.33.212.102	A	d38x2a0e2jdj3b.cloudfront.net
13.33.212.119	PTR	server-13-33-212-119.nrt57.r.cloudfront.net
13.33.212.120	PTR	server-13-33-212-120.nrt57.r.cloudfront.net