Robtex

Up: 23.39.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 23.39.44.0/23
Down right: 23.39.46.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
23.39.44.34	PTR	a23-39-44-34.deploy.static.akamaitechnologies.com
23.39.44.45	PTR	a23-39-44-45.deploy.akamaitechnologies.com
23.39.44.45	A	e5375.g.akamaiedge.net
23.39.44.51	PTR	a23-39-44-51.deploy.akamaitechnologies.com
23.39.44.128	PTR	a23-39-44-128.deploy.akamaitechnologies.com
23.39.45.32	PTR	a23-39-45-32.deploy.akamaitechnologies.com
23.39.45.49	PTR	a23-39-45-49.deploy.akamaitechnologies.com
23.39.45.107	PTR	a23-39-45-107.deploy.akamaitechnologies.com
23.39.45.139	A	subwaycatering.com
23.39.45.145	A+PTR	a23-39-45-145.deploy.akamaitechnologies.com
23.39.45.170	PTR	a23-39-45-170.deploy.akamaitechnologies.com
23.39.45.170	A	guitarsale.com
23.39.45.203	PTR	a23-39-45-203.deploy.akamaitechnologies.com
23.39.45.203	A	guitarsale.com
23.39.46.45	PTR	a23-39-46-45.deploy.akamaitechnologies.com
23.39.46.79	PTR	a23-39-46-79.deploy.static.akamaitechnologies.com
23.39.46.79	A	bmocustomselect.com
23.39.46.79	A	bmorrspworldfunds.ca
23.39.46.108	A+PTR	a23-39-46-108.deploy.akamaitechnologies.com
23.39.46.124	PTR	a23-39-46-124.deploy.akamaitechnologies.com
23.39.46.124	A	cdn0.bodas.com.mx
23.39.46.157	A+PTR	a23-39-46-157.deploy.static.akamaitechnologies.com
23.39.46.157	A	cn-sc.scorecardresearch.com.edgekey.net.globalredir.akadns.net
23.39.46.177	PTR	a23-39-46-177.deploy.akamaitechnologies.com
23.39.47.10	PTR	a23-39-47-10.deploy.static.akamaitechnologies.com
23.39.47.51	PTR	a23-39-47-51.deploy.akamaitechnologies.com
23.39.47.124	PTR	a23-39-47-124.deploy.akamaitechnologies.com
23.39.47.124	A	i.wwe9.com
23.39.47.224	PTR	a23-39-47-224.deploy.akamaitechnologies.com
23.39.47.224	A	a1020.dspda2.akamai.net.0.1.cn.akamaitech.net
23.39.47.224	A	g2600-1401-c000-0000-0000-0000-1727-2fe0.deploy.static.akamaitechnologies.com
23.39.47.226	A	a1020.dspda2.akamai.net.0.1.cn.akamaitech.net
23.39.47.226	A	g2600-1401-c000-0000-0000-0000-1727-2fe2.deploy.static.akamaitechnologies.com
23.39.47.232	PTR	a23-39-47-232.deploy.akamaitechnologies.com
23.39.47.248	PTR	a23-39-47-248.deploy.akamaitechnologies.com
23.39.47.249	PTR	a23-39-47-249.deploy.akamaitechnologies.com