Robtex

Up: 23.47.152.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 23.47.152.0/23
Down right: 23.47.154.0/23

IP	Type	Hostname
23.47.152.200	A	sandbox.v.me.edgekey.net
23.47.153.61	PTR	a23-47-153-61.deploy.static.akamaitechnologies.com
23.47.153.79	PTR	a23-47-153-79.deploy.static.akamaitechnologies.com
23.47.153.119	A+PTR	a23-47-153-119.deploy.static.akamaitechnologies.com
23.47.153.120	A+PTR	a23-47-153-120.deploy.static.akamaitechnologies.com