Robtex

Up: 23.61.80.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 23.61.80.0/23
Down right: 23.61.82.0/23

IP	Type	Hostname
23.61.80.6	PTR	a23-61-80-6.deploy.akamaitechnologies.com
23.61.80.183	PTR	a23-61-80-183.deploy.akamaitechnologies.com
23.61.81.244	A	a23-61-81-244.deploy.static.akamaitechnologies.com
23.61.82.87	PTR	a23-61-82-87.deploy.akamaitechnologies.com
23.61.83.246	A+PTR	a23-61-83-246.deploy.static.akamaitechnologies.com