Robtex

Up: 23.222.0.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 23.222.0.0/23
Down right: 23.222.2.0/23

IP	Type	Hostname
23.222.0.0	PTR	a23-222-0-0.deploy.static.akamaitechnologies.com
23.222.0.43	A+PTR	a23-222-0-43.deploy.static.akamaitechnologies.com
23.222.0.119	A+PTR	a23-222-0-119.deploy.static.akamaitechnologies.com
23.222.1.0	PTR	a23-222-1-0.deploy.static.akamaitechnologies.com
23.222.1.8	A+PTR	a23-222-1-8.deploy.static.akamaitechnologies.com
23.222.1.9	A+PTR	a23-222-1-9.deploy.static.akamaitechnologies.com