Robtex

Up: 13.35.15.0/24
Can't show all results, try to descend to a more specific CIDR
Down left: 13.35.15.128/26
Down right: 13.35.15.192/26
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
13.35.15.128	A+PTR	server-13-35-15-128.sin5.r.cloudfront.net
13.35.15.143	A+PTR	server-13-35-15-143.sin5.r.cloudfront.net
13.35.15.143	A	djya0coy7zpa6.cloudfront.net
13.35.15.147	A+PTR	server-13-35-15-147.sin5.r.cloudfront.net
13.35.15.147	A	d11xs6nxsod2kg.cloudfront.net
13.35.15.150	A+PTR	server-13-35-15-150.sin5.r.cloudfront.net
13.35.15.150	A	d3aa3u9p0h44ug.cloudfront.net
13.35.15.157	A	www.amorenlinea.com
13.35.15.159	A+PTR	server-13-35-15-159.sin5.r.cloudfront.net
13.35.15.159	A	link.seesaw.me
13.35.15.160	A+PTR	server-13-35-15-160.sin5.r.cloudfront.net
13.35.15.160	A	d1gsg05rq1vjdw.cloudfront.net
13.35.15.161	PTR	server-13-35-15-161.sin5.r.cloudfront.net
13.35.15.161	A	in.pearsontestcontent.com
13.35.15.161	A	co.pearsontestcontent.com
13.35.15.163	A+PTR	server-13-35-15-163.sin5.r.cloudfront.net
13.35.15.167	PTR	server-13-35-15-167.sin5.r.cloudfront.net
13.35.15.167	A	services.bethesda.net
13.35.15.168	A+PTR	server-13-35-15-168.sin5.r.cloudfront.net
13.35.15.168	A	a1.awsstatic.com
13.35.15.175	A+PTR	server-13-35-15-175.sin5.r.cloudfront.net
13.35.15.175	A	d2n808zjj5kkux.cloudfront.net
13.35.15.176	A+PTR	server-13-35-15-176.sin5.r.cloudfront.net
13.35.15.176	A	d-90672deebb.awsapps.com
13.35.15.176	A	gea-connect-us-east-1.awsapps.com
13.35.15.179	A+PTR	server-13-35-15-179.sin5.r.cloudfront.net
13.35.15.179	A	au-www.myconnectwise.net
13.35.15.182	A+PTR	server-13-35-15-182.sin5.r.cloudfront.net
13.35.15.182	A	d2ircge7d97iqh.cloudfront.net
13.35.15.186	A+PTR	server-13-35-15-186.sin5.r.cloudfront.net
13.35.15.186	A	d29sh3qrvs1a6k.cloudfront.net
13.35.15.195	A+PTR	server-13-35-15-195.sin5.r.cloudfront.net
13.35.15.195	A	d2hfoq9h0pgmns.cloudfront.net
13.35.15.231	A+PTR	server-13-35-15-231.sin5.r.cloudfront.net
13.35.15.231	A	d90nnyvqgmkzx.cloudfront.net
13.35.15.232	A+PTR	server-13-35-15-232.sin5.r.cloudfront.net
13.35.15.232	A	cf.api.pepeapi.com
13.35.15.235	A+PTR	server-13-35-15-235.sin5.r.cloudfront.net
13.35.15.235	A	d205am8uld2b0h.cloudfront.net
13.35.15.242	A+PTR	server-13-35-15-242.sin5.r.cloudfront.net
13.35.15.242	A	ng.tekken.bnsv.ca
13.35.15.248	A+PTR	server-13-35-15-248.sin5.r.cloudfront.net
13.35.15.248	A	d1jvtjd069a3ns.cloudfront.net
13.35.15.250	A+PTR	server-13-35-15-250.sin5.r.cloudfront.net
13.35.15.250	A	d2t5f421bgidbz.cloudfront.net
13.35.15.253	A+PTR	server-13-35-15-253.sin5.r.cloudfront.net
13.35.15.253	A	d2f2rrm3r0o7az.cloudfront.net