Robtex

Up: 23.33.16.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 23.33.16.0/23
Down right: 23.33.18.0/23

IP	Type	Hostname
23.33.16.2	PTR	a23-33-16-2.deploy.static.akamaitechnologies.com
23.33.16.80	A+PTR	a23-33-16-80.deploy.static.akamaitechnologies.com
23.33.17.5	PTR	a23-33-17-5.deploy.static.akamaitechnologies.com
23.33.17.162	PTR	a23-33-17-162.deploy.akamaitechnologies.com
23.33.18.49	A+PTR	a23-33-18-49.deploy.akamaitechnologies.com
23.33.19.198	A+PTR	a23-33-19-198.deploy.static.akamaitechnologies.com
23.33.19.235	A	a23-33-19-235.deploy.static.akamaitechnologies.com