Robtex

Up: 13.33.172.0/25
Can't show all results, try to descend to a more specific CIDR
Down left: 13.33.172.64/27
Down right: 13.33.172.96/27
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
13.33.172.64	PTR	server-13-33-172-64.cdg50.r.cloudfront.net
13.33.172.64	A	cdnd360.it
13.33.172.64	A	server-13-33-172-64.kul50.r.cloudfront.net
13.33.172.71	A+PTR	server-13-33-172-71.kul50.r.cloudfront.net
13.33.172.71	A	ams.cf.kik.com
13.33.172.71	A	mobile-connection-alert.fyi
13.33.172.72	A	reportdata.center
13.33.172.72	A	it-regali.win
13.33.172.74	A+PTR	server-13-33-172-74.kul50.r.cloudfront.net
13.33.172.75	A	d3bx8gthra79t2.cloudfront.net
13.33.172.86	A+PTR	server-13-33-172-86.kul50.r.cloudfront.net
13.33.172.86	A	mobile-connection-alert.fyi
13.33.172.86	A	lindasflorist.com
13.33.172.88	A+PTR	server-13-33-172-88.kul50.r.cloudfront.net
13.33.172.88	A	tmtwaicommunity.slack.com
13.33.172.89	A+PTR	server-13-33-172-89.kul50.r.cloudfront.net
13.33.172.89	A	cdnd360.it
13.33.172.93	A+PTR	server-13-33-172-93.kul50.r.cloudfront.net
13.33.172.93	A	d3ptacvpl0kl86.cloudfront.net
13.33.172.97	A+PTR	server-13-33-172-97.kul50.r.cloudfront.net
13.33.172.97	A	www.brewerdigital.com
13.33.172.98	A+PTR	server-13-33-172-98.kul50.r.cloudfront.net
13.33.172.101	PTR	server-13-33-172-101.cdg50.r.cloudfront.net
13.33.172.101	A	agilityharmony.de
13.33.172.101	A	server-13-33-172-101.kul50.r.cloudfront.net
13.33.172.103	PTR	server-13-33-172-103.cdg50.r.cloudfront.net
13.33.172.103	A	agilityharmony.de
13.33.172.103	A	server-13-33-172-103.kul50.r.cloudfront.net
13.33.172.104	PTR	server-13-33-172-104.cdg50.r.cloudfront.net
13.33.172.104	A	server-13-33-172-104.kul50.r.cloudfront.net
13.33.172.113	PTR	server-13-33-172-113.cdg50.r.cloudfront.net
13.33.172.113	A	server-13-33-172-113.kul50.r.cloudfront.net
13.33.172.113	A	d17xaypmc6mpfo.cloudfront.net
13.33.172.115	A+PTR	server-13-33-172-115.kul50.r.cloudfront.net
13.33.172.117	PTR	server-13-33-172-117.kul50.r.cloudfront.net
13.33.172.117	A	dozo.tv
13.33.172.119	A+PTR	server-13-33-172-119.kul50.r.cloudfront.net
13.33.172.123	A+PTR	server-13-33-172-123.kul50.r.cloudfront.net
13.33.172.125	PTR	server-13-33-172-125.cdg50.r.cloudfront.net
13.33.172.126	A+PTR	server-13-33-172-126.kul50.r.cloudfront.net
13.33.172.126	A	go.win
13.33.172.127	A+PTR	server-13-33-172-127.kul50.r.cloudfront.net
13.33.172.127	A	copainsdavant.mousikes-stigmes.simplesite.gr