Robtex

Up: 13.32.56.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 13.32.60.0/23
Down right: 13.32.62.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
13.32.60.10	A+PTR	server-13-32-60-10.nrt57.r.cloudfront.net
13.32.60.15	A+PTR	server-13-32-60-15.nrt57.r.cloudfront.net
13.32.60.27	A+PTR	server-13-32-60-27.nrt57.r.cloudfront.net
13.32.60.45	A	crosset.onward.co.jp
13.32.60.60	A	dorsett.awsapps.com
13.32.60.96	A+PTR	server-13-32-60-96.nrt57.r.cloudfront.net
13.32.60.178	PTR	server-13-32-60-178.nrt57.r.cloudfront.net
13.32.60.186	A+PTR	server-13-32-60-186.nrt57.r.cloudfront.net
13.32.60.212	A+PTR	server-13-32-60-212.nrt57.r.cloudfront.net
13.32.60.212	A	d3cbywt8xxsivm.cloudfront.net
13.32.60.212	A	d18kojykvjqvdf.cloudfront.net
13.32.60.216	A+PTR	server-13-32-60-216.nrt57.r.cloudfront.net
13.32.60.216	A	d2i3hlqopks5zc.cloudfront.net
13.32.60.237	PTR	server-13-32-60-237.nrt57.r.cloudfront.net
13.32.60.250	A+PTR	server-13-32-60-250.nrt57.r.cloudfront.net
13.32.61.0	A+PTR	server-13-32-61-0.nrt57.r.cloudfront.net
13.32.61.46	A+PTR	server-13-32-61-46.nrt57.r.cloudfront.net
13.32.61.85	A+PTR	server-13-32-61-85.nrt57.r.cloudfront.net
13.32.61.91	A+PTR	server-13-32-61-91.nrt57.r.cloudfront.net
13.32.61.146	A+PTR	server-13-32-61-146.nrt57.r.cloudfront.net
13.32.61.153	A+PTR	server-13-32-61-153.nrt57.r.cloudfront.net
13.32.61.177	A+PTR	server-13-32-61-177.nrt57.r.cloudfront.net
13.32.62.3	A+PTR	server-13-32-62-3.mad51.r.cloudfront.net
13.32.62.9	A+PTR	server-13-32-62-9.mad51.r.cloudfront.net
13.32.62.9	A	theloopnewyorkny.com
13.32.62.10	A+PTR	server-13-32-62-10.mad51.r.cloudfront.net
13.32.62.10	A	theloopnewyorkny.com
13.32.62.15	PTR	server-13-32-62-15.mad51.r.cloudfront.net
13.32.62.15	A	ct4au1.awsapps.com
13.32.62.15	A	spectra.awsapps.com
13.32.62.16	A+PTR	server-13-32-62-16.mad51.r.cloudfront.net
13.32.62.22	A+PTR	server-13-32-62-22.mad51.r.cloudfront.net
13.32.62.22	A	tutoringmadison.com
13.32.62.22	A	d1cntsk6t3l3wa.cloudfront.net
13.32.62.24	A+PTR	server-13-32-62-24.mad51.r.cloudfront.net
13.32.62.29	A+PTR	server-13-32-62-29.mad51.r.cloudfront.net
13.32.62.35	A	d1cntsk6t3l3wa.cloudfront.net
13.32.62.36	A+PTR	server-13-32-62-36.mad51.r.cloudfront.net
13.32.62.36	A	borrowedandblue.com
13.32.62.42	A+PTR	server-13-32-62-42.mad51.r.cloudfront.net
13.32.62.42	A	mazein.net
13.32.62.45	A+PTR	server-13-32-62-45.mad51.r.cloudfront.net
13.32.62.45	A	borrowedandblue.com
13.32.62.45	A	beatthedealerapp.com
13.32.62.51	A+PTR	server-13-32-62-51.mad51.r.cloudfront.net
13.32.62.51	A	tutoringmadison.com
13.32.62.52	A+PTR	server-13-32-62-52.mad51.r.cloudfront.net
13.32.62.52	A	borrowedandblue.com
13.32.62.54	A+PTR	server-13-32-62-54.mad51.r.cloudfront.net
13.32.62.55	A+PTR	server-13-32-62-55.mad51.r.cloudfront.net
13.32.62.59	A+PTR	server-13-32-62-59.mad51.r.cloudfront.net
13.32.62.59	A	tutoringmadison.com
13.32.62.61	A+PTR	server-13-32-62-61.mad51.r.cloudfront.net
13.32.62.61	A	d1cntsk6t3l3wa.cloudfront.net
13.32.62.63	A+PTR	server-13-32-62-63.mad51.r.cloudfront.net
13.32.62.64	A+PTR	server-13-32-62-64.mad51.r.cloudfront.net
13.32.62.66	A+PTR	server-13-32-62-66.mad51.r.cloudfront.net
13.32.62.66	A	beatthedealerapp.com
13.32.62.67	A+PTR	server-13-32-62-67.mad51.r.cloudfront.net
13.32.62.69	A+PTR	server-13-32-62-69.mad51.r.cloudfront.net
13.32.62.75	A+PTR	server-13-32-62-75.mad51.r.cloudfront.net
13.32.62.80	A+PTR	server-13-32-62-80.mad51.r.cloudfront.net
13.32.62.80	A	borrowedandblue.com
13.32.62.81	A+PTR	server-13-32-62-81.mad51.r.cloudfront.net
13.32.62.82	PTR	server-13-32-62-82.mad51.r.cloudfront.net
13.32.62.82	A	theloopnewyorkny.com
13.32.62.83	A	theloopnewyorkny.com
13.32.62.84	A+PTR	server-13-32-62-84.mad51.r.cloudfront.net
13.32.62.87	A+PTR	server-13-32-62-87.mad51.r.cloudfront.net
13.32.62.88	A+PTR	server-13-32-62-88.mad51.r.cloudfront.net
13.32.62.88	A	d1cntsk6t3l3wa.cloudfront.net
13.32.62.88	A	beatthedealerapp.com
13.32.62.91	A+PTR	server-13-32-62-91.mad51.r.cloudfront.net
13.32.62.95	A+PTR	server-13-32-62-95.mad51.r.cloudfront.net
13.32.62.96	A+PTR	server-13-32-62-96.mad51.r.cloudfront.net
13.32.62.96	A	mazein.net
13.32.62.100	A+PTR	server-13-32-62-100.mad51.r.cloudfront.net
13.32.62.100	A	mazein.net
13.32.62.104	A+PTR	server-13-32-62-104.mad51.r.cloudfront.net
13.32.62.104	A	beatthedealerapp.com
13.32.62.117	A+PTR	server-13-32-62-117.mad51.r.cloudfront.net
13.32.62.117	A	tutoringmadison.com
13.32.62.119	A+PTR	server-13-32-62-119.mad51.r.cloudfront.net
13.32.62.128	A+PTR	server-13-32-62-128.mad51.r.cloudfront.net
13.32.62.128	A	mazein.net
13.32.62.145	A+PTR	server-13-32-62-145.mad51.r.cloudfront.net
13.32.62.161	A+PTR	server-13-32-62-161.mad51.r.cloudfront.net
13.32.62.166	A+PTR	server-13-32-62-166.mad51.r.cloudfront.net
13.32.62.169	A+PTR	server-13-32-62-169.mad51.r.cloudfront.net
13.32.62.176	A+PTR	server-13-32-62-176.mad51.r.cloudfront.net
13.32.62.218	A+PTR	server-13-32-62-218.mad51.r.cloudfront.net
13.32.62.247	A+PTR	server-13-32-62-247.mad51.r.cloudfront.net
13.32.62.254	A+PTR	server-13-32-62-254.mad51.r.cloudfront.net