Robtex

Up: 13.33.208.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 13.33.208.0/25
Down right: 13.33.208.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
13.33.208.4	A+PTR	server-13-33-208-4.nrt57.r.cloudfront.net
13.33.208.4	A	dt9guucc6nuua.cloudfront.net
13.33.208.8	A+PTR	server-13-33-208-8.nrt57.r.cloudfront.net
13.33.208.8	A	bapi.flipboard.com
13.33.208.13	A	metronews.ca
13.33.208.17	A	infopls.com
13.33.208.37	PTR	server-13-33-208-37.nrt57.r.cloudfront.net
13.33.208.37	A	d2mb2l2ls1y7ht.cloudfront.net
13.33.208.40	A+PTR	server-13-33-208-40.nrt57.r.cloudfront.net
13.33.208.40	A	www.myfitnesspal.jp
13.33.208.45	A+PTR	server-13-33-208-45.nrt57.r.cloudfront.net
13.33.208.45	A	d3201w7qr60x0r.cloudfront.net
13.33.208.45	A	d2arxad8u2l0g7.cloudfront.net
13.33.208.46	A+PTR	server-13-33-208-46.nrt57.r.cloudfront.net
13.33.208.46	A	d12uoft6w60kpo.cloudfront.net
13.33.208.48	PTR	server-13-33-208-48.nrt57.r.cloudfront.net
13.33.208.48	A	andr-59e19706d5-bbdefa2950f49882-5afeb49f71815be360-2380103.na.ec.api.amazonvideo.com
13.33.208.48	A	andr-5f9c4ab08c-968e2d5b08687bf4-e48724a5de0cb8c240-2400307.eu.ec.api.amazonvideo.com
13.33.208.49	A	lucidhq.com
13.33.208.57	A+PTR	server-13-33-208-57.nrt57.r.cloudfront.net
13.33.208.57	A	services9.arcgis.com
13.33.208.71	A+PTR	server-13-33-208-71.nrt57.r.cloudfront.net
13.33.208.71	A	d3ag4hukkh62yn.cloudfront.net
13.33.208.71	A	packages-green.cctsl.com
13.33.208.77	A+PTR	server-13-33-208-77.nrt57.r.cloudfront.net
13.33.208.77	A	d2v9h0vxgzdeu3.cloudfront.net
13.33.208.80	A+PTR	server-13-33-208-80.nrt57.r.cloudfront.net
13.33.208.80	A	d1vtbjh4mvwjps.cloudfront.net
13.33.208.93	A+PTR	server-13-33-208-93.nrt57.r.cloudfront.net
13.33.208.93	A	d3d6ujpbhbu3n4.cloudfront.net
13.33.208.105	A+PTR	server-13-33-208-105.nrt57.r.cloudfront.net
13.33.208.105	A	bu.rlcdn.com
13.33.208.109	A	updates.cdc.carbonblack.io
13.33.208.116	A+PTR	server-13-33-208-116.nrt57.r.cloudfront.net
13.33.208.119	A+PTR	server-13-33-208-119.nrt57.r.cloudfront.net
13.33.208.119	A	d161k4gc3fyfos.cloudfront.net
13.33.208.127	A+PTR	server-13-33-208-127.nrt57.r.cloudfront.net
13.33.208.127	A	d1gsg05rq1vjdw.cloudfront.net
13.33.208.140	A+PTR	server-13-33-208-140.nrt57.r.cloudfront.net
13.33.208.143	A+PTR	server-13-33-208-143.nrt57.r.cloudfront.net
13.33.208.146	A+PTR	server-13-33-208-146.nrt57.r.cloudfront.net
13.33.208.151	A+PTR	server-13-33-208-151.nrt57.r.cloudfront.net
13.33.208.151	A	d7bjbo3t2oywc.cloudfront.net
13.33.208.154	A+PTR	server-13-33-208-154.nrt57.r.cloudfront.net
13.33.208.154	A	static.twitchcdn.net
13.33.208.160	A+PTR	server-13-33-208-160.nrt57.r.cloudfront.net
13.33.208.160	A	dr76kcyo5whbs.cloudfront.net
13.33.208.161	A+PTR	server-13-33-208-161.nrt57.r.cloudfront.net
13.33.208.161	A	d2jrvs8xx3b3n5.cloudfront.net
13.33.208.164	A+PTR	server-13-33-208-164.nrt57.r.cloudfront.net
13.33.208.164	A	dwkw7pxix8u25.cloudfront.net
13.33.208.175	A+PTR	server-13-33-208-175.nrt57.r.cloudfront.net
13.33.208.175	A	au-www.myconnectwise.net
13.33.208.182	A+PTR	server-13-33-208-182.nrt57.r.cloudfront.net
13.33.208.182	A	d29sh3qrvs1a6k.cloudfront.net
13.33.208.185	A+PTR	server-13-33-208-185.nrt57.r.cloudfront.net
13.33.208.185	A	d3hskt5fsj4ixa.cloudfront.net
13.33.208.196	A+PTR	server-13-33-208-196.nrt57.r.cloudfront.net
13.33.208.196	A	m.search.ellotte.com
13.33.208.196	A	m.display.ellotte.com
13.33.208.200	A+PTR	server-13-33-208-200.nrt57.r.cloudfront.net
13.33.208.200	A	d21wlyhffxxqkt.cloudfront.net
13.33.208.220	A+PTR	server-13-33-208-220.nrt57.r.cloudfront.net
13.33.208.231	A+PTR	server-13-33-208-231.nrt57.r.cloudfront.net
13.33.208.231	A	d3u04cb6k5y7x2.cloudfront.net
13.33.208.233	A+PTR	server-13-33-208-233.nrt57.r.cloudfront.net
13.33.208.236	A+PTR	server-13-33-208-236.nrt57.r.cloudfront.net
13.33.208.236	A	d38aldr2v24t43.cloudfront.net
13.33.208.239	A+PTR	server-13-33-208-239.nrt57.r.cloudfront.net
13.33.208.240	A+PTR	server-13-33-208-240.nrt57.r.cloudfront.net
13.33.208.240	A	dtioykqj1u8de.cloudfront.net
13.33.208.243	A+PTR	server-13-33-208-243.nrt57.r.cloudfront.net
13.33.208.243	A	d1elgm1ww0d6wo.cloudfront.net
13.33.208.245	PTR	server-13-33-208-245.nrt57.r.cloudfront.net
13.33.208.245	A	bluebeam.slack.com
13.33.208.245	A	aonlyogt.slack.com
13.33.208.248	A+PTR	server-13-33-208-248.nrt57.r.cloudfront.net
13.33.208.251	A+PTR	server-13-33-208-251.nrt57.r.cloudfront.net
13.33.208.251	A	gizmo.rakuten.tv
13.33.208.252	A+PTR	server-13-33-208-252.nrt57.r.cloudfront.net
13.33.208.252	A	d27cwqlgojh9yd.cloudfront.net
13.33.208.252	A	d1189k4eaaytew.cloudfront.net