Robtex

Up: 172.236.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 172.236.32.0/20
Down right: 172.236.48.0/20

IP	Type	Hostname
172.236.32.2	PTR	a172-236-32-2.deploy.static.akamaitechnologies.com
172.236.34.242	PTR	a172-236-34-242.deploy.static.akamaitechnologies.com
172.236.39.2	PTR	a172-236-39-2.deploy.static.akamaitechnologies.com
172.236.48.58	PTR	a172-236-48-58.deploy.static.akamaitechnologies.com
172.236.48.165	PTR	a172-236-48-165.deploy.static.akamaitechnologies.com
172.236.56.99	PTR	a172-236-56-99.deploy.static.akamaitechnologies.com