Robtex

Up: 23.45.56.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 23.45.56.0/23
Down right: 23.45.58.0/23

IP	Type	Hostname
23.45.56.1	PTR	a23-45-56-1.deploy.static.akamaitechnologies.com
23.45.58.125	A+PTR	a23-45-58-125.deploy.static.akamaitechnologies.com
23.45.58.126	A+PTR	a23-45-58-126.deploy.static.akamaitechnologies.com
23.45.59.37	A+PTR	a23-45-59-37.deploy.static.akamaitechnologies.com
23.45.59.54	A+PTR	a23-45-59-54.deploy.static.akamaitechnologies.com
23.45.59.207	PTR	a23-45-59-207.deploy.static.akamaitechnologies.com