Robtex

Up: 23.53.208.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 23.53.212.0/23
Down right: 23.53.214.0/23

IP	Type	Hostname
23.53.213.1	PTR	a23-53-213-1.deploy.static.akamaitechnologies.com
23.53.213.37	A+PTR	a23-53-213-37.deploy.static.akamaitechnologies.com
23.53.213.214	PTR	a23-53-213-214.deploy.static.akamaitechnologies.com
23.53.214.9	A+PTR	a23-53-214-9.deploy.static.akamaitechnologies.com
23.53.214.192	A	a23-53-214-192.deploy.static.akamaitechnologies.com
23.53.215.143	PTR	a23-53-215-143.deploy.static.akamaitechnologies.com