Robtex

Up: 13.35.96.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 13.35.104.0/22
Down right: 13.35.108.0/22

IP	Type	Hostname
13.35.105.28	PTR	server-13-35-105-28.mia3.r.cloudfront.net
13.35.105.28	A	thousandeyes.com
13.35.105.41	A	thousandeyes.com
13.35.105.51	PTR	server-13-35-105-51.mia3.r.cloudfront.net
13.35.105.51	A	thousandeyes.com
13.35.105.61	A	thousandeyes.com
13.35.105.64	A	aricasa.com
13.35.105.70	A	aricasa.com
13.35.105.80	A	branchout.com
13.35.105.84	A	aricasa.com
13.35.105.108	A	aricasa.com
13.35.105.113	A+PTR	server-13-35-105-113.mia3.r.cloudfront.net
13.35.105.126	PTR	server-13-35-105-126.mia3.r.cloudfront.net
13.35.105.194	A+PTR	server-13-35-105-194.mia3.r.cloudfront.net
13.35.105.236	A+PTR	server-13-35-105-236.mia3.r.cloudfront.net
13.35.106.18	A+PTR	server-13-35-106-18.mia3.r.cloudfront.net
13.35.106.163	A+PTR	server-13-35-106-163.mia3.r.cloudfront.net
13.35.107.38	A+PTR	server-13-35-107-38.mia3.r.cloudfront.net
13.35.109.25	A	server-13-35-109-25.mia3.r.cloudfront.net
13.35.109.42	PTR	server-13-35-109-42.mia3.r.cloudfront.net
13.35.109.55	PTR	server-13-35-109-55.mia3.r.cloudfront.net
13.35.109.72	PTR	server-13-35-109-72.mia3.r.cloudfront.net
13.35.109.77	PTR	server-13-35-109-77.mia3.r.cloudfront.net
13.35.110.6	A+PTR	server-13-35-110-6.mia3.r.cloudfront.net
13.35.111.8	A+PTR	server-13-35-111-8.mia3.r.cloudfront.net
13.35.111.18	A	fan.zone
13.35.111.24	PTR	server-13-35-111-24.mia3.r.cloudfront.net
13.35.111.37	PTR	server-13-35-111-37.mia3.r.cloudfront.net
13.35.111.45	A	fan.zone
13.35.111.46	PTR	server-13-35-111-46.mia3.r.cloudfront.net
13.35.111.67	A	fan.zone
13.35.111.111	A	fan.zone