Robtex

Up: 13.33.145.128/25
Can't show all results, try to descend to a more specific CIDR
Down left: 13.33.145.128/27
Down right: 13.33.145.160/27
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
13.33.145.129	A+PTR	server-13-33-145-129.sea4.r.cloudfront.net
13.33.145.129	A	d2u1kjjz3dpeq7.cloudfront.net
13.33.145.136	A+PTR	server-13-33-145-136.sea4.r.cloudfront.net
13.33.145.136	A	d3dus35tg5w2pd.cloudfront.net
13.33.145.139	A+PTR	server-13-33-145-139.sea4.r.cloudfront.net
13.33.145.139	A	d128pb3p95y2d3.cloudfront.net
13.33.145.155	A+PTR	server-13-33-145-155.sea4.r.cloudfront.net
13.33.145.155	A	res.booklive.jp
13.33.145.161	A+PTR	server-13-33-145-161.sea4.r.cloudfront.net
13.33.145.161	A	d2hrd00obsbeps.cloudfront.net
13.33.145.163	PTR	server-13-33-145-163.sea4.r.cloudfront.net
13.33.145.163	A	win-help-920.s3-accelerate.amazonaws.com
13.33.145.163	A	win-help-918.s3-accelerate.amazonaws.com
13.33.145.173	A+PTR	server-13-33-145-173.sea4.r.cloudfront.net
13.33.145.173	A	www.narumiya-online.jp
13.33.145.179	A	d3oum9jtw64d8v.cloudfront.net
13.33.145.181	PTR	server-13-33-145-181.sea4.r.cloudfront.net
13.33.145.181	A	d1gew7sw4mqlr6.cloudfront.net
13.33.145.184	A+PTR	server-13-33-145-184.sea4.r.cloudfront.net
13.33.145.184	A	ds064dijssl1t.cloudfront.net
13.33.145.185	A+PTR	server-13-33-145-185.sea4.r.cloudfront.net
13.33.145.185	A	logitech.gowayin.com
13.33.145.188	A+PTR	server-13-33-145-188.sea4.r.cloudfront.net
13.33.145.188	A	d3vhgikr3vxxjo.cloudfront.net