Robtex

Up: 13.35.12.0/23
Can't show all results, try to descend to a more specific CIDR
Down left: 13.35.13.0/25
Down right: 13.35.13.128/25
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
13.35.13.9	A+PTR	server-13-35-13-9.sin5.r.cloudfront.net
13.35.13.9	A	bapi.flipboard.com
13.35.13.18	A+PTR	server-13-35-13-18.sin5.r.cloudfront.net
13.35.13.18	A	d2uqqs0fgurry0.cloudfront.net
13.35.13.28	A+PTR	server-13-35-13-28.sin5.r.cloudfront.net
13.35.13.28	A	d3h6hgnk4jmvi2.cloudfront.net
13.35.13.28	A	d3i0i4i2qfpxoe.cloudfront.net
13.35.13.29	A+PTR	server-13-35-13-29.sin5.r.cloudfront.net
13.35.13.32	A	secretsales.com
13.35.13.39	A+PTR	server-13-35-13-39.sin5.r.cloudfront.net
13.35.13.39	A	d2lnipu5rsejez.cloudfront.net
13.35.13.41	A+PTR	server-13-35-13-41.sin5.r.cloudfront.net
13.35.13.41	A	d28a273uov5ays.cloudfront.net
13.35.13.44	A+PTR	server-13-35-13-44.sin5.r.cloudfront.net
13.35.13.58	A+PTR	server-13-35-13-58.sin5.r.cloudfront.net
13.35.13.58	A	d1pasmrtbn02xw.cloudfront.net
13.35.13.61	A+PTR	server-13-35-13-61.sin5.r.cloudfront.net
13.35.13.61	A	drcwo519tnci7.cloudfront.net
13.35.13.76	PTR	server-13-35-13-76.sin5.r.cloudfront.net
13.35.13.87	PTR	server-13-35-13-87.sin5.r.cloudfront.net
13.35.13.87	A	storify.com
13.35.13.89	A+PTR	server-13-35-13-89.sin5.r.cloudfront.net
13.35.13.89	A	d1hn1pvp2c956.cloudfront.net
13.35.13.89	A	d3qkz8xl88pl6m.cloudfront.net
13.35.13.93	A+PTR	server-13-35-13-93.sin5.r.cloudfront.net
13.35.13.99	A+PTR	server-13-35-13-99.sin5.r.cloudfront.net
13.35.13.99	A	d179sqwjk01vnp.cloudfront.net
13.35.13.101	A+PTR	server-13-35-13-101.sin5.r.cloudfront.net
13.35.13.101	A	d3pmhxsdaqvtvq.cloudfront.net
13.35.13.104	PTR	server-13-35-13-104.sin5.r.cloudfront.net
13.35.13.109	PTR	server-13-35-13-109.sin5.r.cloudfront.net
13.35.13.115	A+PTR	server-13-35-13-115.sin5.r.cloudfront.net
13.35.13.115	A	d3ifyzbufmhikp.cloudfront.net
13.35.13.118	A+PTR	server-13-35-13-118.sin5.r.cloudfront.net
13.35.13.118	A	iot.us-east-1.amazonaws.com
13.35.13.124	PTR	server-13-35-13-124.sin5.r.cloudfront.net
13.35.13.124	A	observian.com
13.35.13.124	A	www.observian.com
13.35.13.127	PTR	server-13-35-13-127.sin5.r.cloudfront.net
13.35.13.133	A+PTR	server-13-35-13-133.sin5.r.cloudfront.net
13.35.13.133	A	d38aldr2v24t43.cloudfront.net
13.35.13.155	A+PTR	server-13-35-13-155.sin5.r.cloudfront.net
13.35.13.155	A	d2acbqwu6rynbf.cloudfront.net
13.35.13.160	A+PTR	server-13-35-13-160.sin5.r.cloudfront.net
13.35.13.160	A	d3ptv3vjw0rtcu.cloudfront.net
13.35.13.166	A+PTR	server-13-35-13-166.sin5.r.cloudfront.net
13.35.13.166	A	d2jrvs8xx3b3n5.cloudfront.net
13.35.13.176	A+PTR	server-13-35-13-176.sin5.r.cloudfront.net
13.35.13.176	A	appgrid-api.cloud.accedo.tv
13.35.13.176	A	appgrid-api-cdn.cloud.accedo.tv
13.35.13.177	A+PTR	server-13-35-13-177.sin5.r.cloudfront.net
13.35.13.179	A+PTR	server-13-35-13-179.sin5.r.cloudfront.net
13.35.13.179	A	d1a5whj5ix286i.cloudfront.net
13.35.13.180	A+PTR	server-13-35-13-180.sin5.r.cloudfront.net
13.35.13.180	A	testnav.com
13.35.13.180	A	ma.testnav.com
13.35.13.186	A+PTR	server-13-35-13-186.sin5.r.cloudfront.net
13.35.13.186	A	dcsrolmw5hwsk.cloudfront.net
13.35.13.188	A+PTR	server-13-35-13-188.sin5.r.cloudfront.net
13.35.13.188	A	dk0uk37o4u8u.cloudfront.net
13.35.13.189	A+PTR	server-13-35-13-189.sin5.r.cloudfront.net
13.35.13.193	A+PTR	server-13-35-13-193.sin5.r.cloudfront.net
13.35.13.193	A	pro2-bar-s3-cdn-cf3.myportfolio.com
13.35.13.193	A	d2stful5zc9u0u.cloudfront.net
13.35.13.197	A+PTR	server-13-35-13-197.sin5.r.cloudfront.net
13.35.13.197	A	s0.awsstatic.com
13.35.13.205	A+PTR	server-13-35-13-205.sin5.r.cloudfront.net
13.35.13.205	A	d26ilriwvtzlb.cloudfront.net
13.35.13.220	A	d1zlrknlnrqs9r.cloudfront.net
13.35.13.221	PTR	server-13-35-13-221.sin5.r.cloudfront.net
13.35.13.221	A	auspost.com.au
13.35.13.222	A+PTR	server-13-35-13-222.sin5.r.cloudfront.net
13.35.13.227	A+PTR	server-13-35-13-227.sin5.r.cloudfront.net
13.35.13.237	A+PTR	server-13-35-13-237.sin5.r.cloudfront.net
13.35.13.237	A	d3txa0z05pd1np.cloudfront.net
13.35.13.241	A+PTR	server-13-35-13-241.sin5.r.cloudfront.net
13.35.13.241	A	eu-uaid-linkage-prod.aws-w.nielsencsp.com
13.35.13.241	A	eu-cloudapi-prod.aws-w.nielsencsp.com
13.35.13.247	A+PTR	server-13-35-13-247.sin5.r.cloudfront.net
13.35.13.247	A	api-cdn.bonobos.com