Robtex

Up: 23.34.16.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 23.34.16.0/22
Down right: 23.34.20.0/22

IP	Type	Hostname
23.34.16.60	A	a23-34-16-60.deploy.static.akamaitechnologies.com
23.34.16.149	A	a23-34-16-149.deploy.static.akamaitechnologies.com
23.34.17.42	PTR	a23-34-17-42.deploy.akamaitechnologies.com
23.34.17.155	PTR	a23-34-17-155.deploy.akamaitechnologies.com
23.34.17.176	PTR	a23-34-17-176.deploy.akamaitechnologies.com
23.34.18.35	A+PTR	a23-34-18-35.deploy.static.akamaitechnologies.com
23.34.19.40	PTR	a23-34-19-40.deploy.static.akamaitechnologies.com
23.34.19.121	A+PTR	a23-34-19-121.deploy.static.akamaitechnologies.com
23.34.20.8	PTR	a23-34-20-8.deploy.akamaitechnologies.com
23.34.20.174	A	a23-34-20-174.deploy.static.akamaitechnologies.com
23.34.21.41	PTR	a23-34-21-41.deploy.static.akamaitechnologies.com
23.34.21.157	A	a23-34-21-157.deploy.static.akamaitechnologies.com
23.34.21.231	A	a23-34-21-231.deploy.static.akamaitechnologies.com
23.34.21.249	PTR	a23-34-21-249.deploy.static.akamaitechnologies.com
23.34.21.251	PTR	a23-34-21-251.deploy.static.akamaitechnologies.com
23.34.22.129	A+PTR	a23-34-22-129.deploy.static.akamaitechnologies.com
23.34.22.183	A	a23-34-22-183.deploy.static.akamaitechnologies.com
23.34.22.196	A	a23-34-22-196.deploy.static.akamaitechnologies.com
23.34.22.219	PTR	a23-34-22-219.deploy.static.akamaitechnologies.com
23.34.23.63	A	a23-34-23-63.deploy.static.akamaitechnologies.com
23.34.23.115	A+PTR	a23-34-23-115.deploy.akamaitechnologies.com
23.34.23.242	A+PTR	a23-34-23-242.deploy.akamaitechnologies.com