Robtex

Up: 13.33.206.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 13.33.206.0/25
Down right: 13.33.206.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
13.33.206.9	PTR	server-13-33-206-9.sea84.r.cloudfront.net
13.33.206.15	A+PTR	server-13-33-206-15.nrt12.r.cloudfront.net
13.33.206.15	A	d1q1cc277hbsr0.cloudfront.net
13.33.206.40	PTR	server-13-33-206-40.sea84.r.cloudfront.net
13.33.206.43	PTR	server-13-33-206-43.sea84.r.cloudfront.net
13.33.206.43	A	server-13-33-206-43.nrt12.r.cloudfront.net
13.33.206.48	PTR	server-13-33-206-48.sea84.r.cloudfront.net
13.33.206.48	A	bryan.sb.roku.com
13.33.206.48	A	server-13-33-206-48.nrt12.r.cloudfront.net
13.33.206.56	A+PTR	server-13-33-206-56.nrt12.r.cloudfront.net
13.33.206.56	A	d12ity2kvyiqn4.cloudfront.net
13.33.206.70	A+PTR	server-13-33-206-70.nrt12.r.cloudfront.net
13.33.206.75	A+PTR	server-13-33-206-75.nrt12.r.cloudfront.net
13.33.206.75	A	d28tmfurh2oqa9.cloudfront.net
13.33.206.94	A+PTR	server-13-33-206-94.nrt12.r.cloudfront.net
13.33.206.94	A	techglobalis.awsapps.com
13.33.206.100	A+PTR	server-13-33-206-100.nrt12.r.cloudfront.net
13.33.206.103	A+PTR	server-13-33-206-103.nrt12.r.cloudfront.net
13.33.206.106	A+PTR	server-13-33-206-106.nrt12.r.cloudfront.net
13.33.206.106	A	onlineeasybiz.s3-accelerate.amazonaws.com
13.33.206.106	A	oboz-uploads.s3-accelerate.amazonaws.com
13.33.206.109	A+PTR	server-13-33-206-109.nrt12.r.cloudfront.net
13.33.206.109	A	d21cg9eixzxx81.cloudfront.net
13.33.206.111	A	discovery.olv.nintendo.net
13.33.206.114	A+PTR	server-13-33-206-114.nrt12.r.cloudfront.net
13.33.206.114	A	c.bookwalker.jp
13.33.206.125	A+PTR	server-13-33-206-125.nrt12.r.cloudfront.net
13.33.206.138	PTR	server-13-33-206-138.fra56.r.cloudfront.net
13.33.206.138	A	ncgm-tw.s3-accelerate.amazonaws.com
13.33.206.138	A	googlechrome5234.s3-accelerate.amazonaws.com
13.33.206.145	PTR	server-13-33-206-145.sea84.r.cloudfront.net
13.33.206.145	A	d3nt40t7b3a4nj.cloudfront.net
13.33.206.145	A	server-13-33-206-145.nrt12.r.cloudfront.net
13.33.206.149	PTR	server-13-33-206-149.fra56.r.cloudfront.net
13.33.206.149	A	adgate-transcoded-videos.s3-accelerate.amazonaws.com
13.33.206.149	A	d3aav4gctsnzn1.cloudfront.net
13.33.206.163	A+PTR	server-13-33-206-163.nrt12.r.cloudfront.net
13.33.206.182	A+PTR	server-13-33-206-182.nrt12.r.cloudfront.net
13.33.206.182	A	winapt.s3-accelerate.amazonaws.com
13.33.206.182	A	ukik.s3-accelerate.amazonaws.com
13.33.206.185	A+PTR	server-13-33-206-185.nrt12.r.cloudfront.net
13.33.206.185	A	fandays.jp
13.33.206.190	A+PTR	server-13-33-206-190.nrt12.r.cloudfront.net
13.33.206.190	A	d174amd2o9o5up.cloudfront.net
13.33.206.194	A+PTR	server-13-33-206-194.nrt12.r.cloudfront.net
13.33.206.194	A	dri1zegyvgol8.cloudfront.net
13.33.206.200	PTR	server-13-33-206-200.nrt12.r.cloudfront.net
13.33.206.208	A+PTR	server-13-33-206-208.nrt12.r.cloudfront.net
13.33.206.208	A	dvov582tafh2h.cloudfront.net
13.33.206.214	A+PTR	server-13-33-206-214.nrt12.r.cloudfront.net
13.33.206.214	A	battlechampsgame.com
13.33.206.219	A+PTR	server-13-33-206-219.nrt12.r.cloudfront.net
13.33.206.219	A	d3kwkty4wuctm1.cloudfront.net
13.33.206.240	PTR	server-13-33-206-240.nrt12.r.cloudfront.net
13.33.206.240	A	quintype-dropbox.s3-accelerate.amazonaws.com
13.33.206.240	A	aw3eft6yji90p.s3-accelerate.amazonaws.com
13.33.206.249	A+PTR	server-13-33-206-249.nrt12.r.cloudfront.net
13.33.206.249	A	d2cpi8xus9gigu.cloudfront.net
13.33.206.250	A+PTR	server-13-33-206-250.nrt12.r.cloudfront.net
13.33.206.250	A	midland.sb.roku.com