Robtex

Up: 172.234.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 172.234.32.0/20
Down right: 172.234.48.0/20

IP	Type	Hostname
172.234.34.2	PTR	a172-234-34-2.deploy.static.akamaitechnologies.com
172.234.35.2	PTR	a172-234-35-2.deploy.static.akamaitechnologies.com
172.234.39.2	PTR	a172-234-39-2.deploy.static.akamaitechnologies.com
172.234.50.162	PTR	a172-234-50-162.deploy.static.akamaitechnologies.com