Robtex

Up: 23.222.72.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 23.222.72.0/23
Down right: 23.222.74.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
23.222.72.38	A+PTR	a23-222-72-38.deploy.static.akamaitechnologies.com
23.222.72.38	A	e146.x.akamaiedge.net
23.222.72.127	PTR	a23-222-72-127.deploy.static.akamaitechnologies.com
23.222.72.144	PTR	a23-222-72-144.deploy.static.akamaitechnologies.com
23.222.72.144	A	skydrive.sg
23.222.72.144	A	www.skydrive.com.cn
23.222.72.232	A+PTR	a23-222-72-232.deploy.static.akamaitechnologies.com
23.222.73.89	A+PTR	a23-222-73-89.deploy.static.akamaitechnologies.com
23.222.73.128	A+PTR	a23-222-73-128.deploy.static.akamaitechnologies.com
23.222.74.89	A	e5944.dscx.akamaiedge.net
23.222.74.94	A+PTR	a23-222-74-94.deploy.static.akamaitechnologies.com
23.222.74.94	A	contentdelivery4096.com
23.222.74.94	A	theironads.com
23.222.74.100	PTR	a23-222-74-100.deploy.static.akamaitechnologies.com
23.222.74.143	A+PTR	a23-222-74-143.deploy.static.akamaitechnologies.com
23.222.74.224	PTR	a23-222-74-224.deploy.static.akamaitechnologies.com
23.222.74.224	A	aljazeera.net
23.222.74.233	A+PTR	a23-222-74-233.deploy.static.akamaitechnologies.com
23.222.75.4	A+PTR	a23-222-75-4.deploy.static.akamaitechnologies.com
23.222.75.4	A	www.harley-davidson.com.edgekey.net
23.222.75.20	A+PTR	a23-222-75-20.deploy.static.akamaitechnologies.com
23.222.75.102	A+PTR	a23-222-75-102.deploy.static.akamaitechnologies.com
23.222.75.133	A	www.teamcars.net
23.222.75.162	A+PTR	a23-222-75-162.deploy.static.akamaitechnologies.com
23.222.75.162	A	arcadis-us.com
23.222.75.162	A	arcadisbelgium.be
23.222.75.174	A+PTR	a23-222-75-174.deploy.static.akamaitechnologies.com
23.222.75.194	PTR	a23-222-75-194.deploy.static.akamaitechnologies.com
23.222.75.195	A+PTR	a23-222-75-195.deploy.static.akamaitechnologies.com
23.222.75.196	A+PTR	a23-222-75-196.deploy.static.akamaitechnologies.com