Robtex

Up: 23.55.48.0/21
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Down left: 23.55.48.0/23
Down right: 23.55.50.0/23

IP	Type	Hostname
23.55.48.253	A+PTR	a23-55-48-253.deploy.static.akamaitechnologies.com
23.55.49.32	A+PTR	a23-55-49-32.deploy.static.akamaitechnologies.com
23.55.51.125	PTR	a23-55-51-125.deploy.akamaitechnologies.com
23.55.51.192	PTR	a23-55-51-192.deploy.akamaitechnologies.com