Robtex

Up: 23.39.128.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 23.39.136.0/22
Down right: 23.39.140.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
23.39.136.16	PTR	a23-39-136-16.deploy.static.akamaitechnologies.com
23.39.136.100	A	a23-39-136-100.deploy.static.akamaitechnologies.com
23.39.136.160	PTR	a23-39-136-160.deploy.static.akamaitechnologies.com
23.39.136.160	A	e12680.g.akamaiedge.net
23.39.136.237	A	e9103.g.akamaiedge.net
23.39.137.4	A+PTR	a23-39-137-4.deploy.static.akamaitechnologies.com
23.39.137.14	A+PTR	a23-39-137-14.deploy.static.akamaitechnologies.com
23.39.137.17	A+PTR	a23-39-137-17.deploy.static.akamaitechnologies.com
23.39.137.56	A+PTR	a23-39-137-56.deploy.static.akamaitechnologies.com
23.39.137.64	A+PTR	a23-39-137-64.deploy.static.akamaitechnologies.com
23.39.137.72	A+PTR	a23-39-137-72.deploy.static.akamaitechnologies.com
23.39.137.79	A+PTR	a23-39-137-79.deploy.static.akamaitechnologies.com
23.39.137.97	A+PTR	a23-39-137-97.deploy.static.akamaitechnologies.com
23.39.137.97	A	e8488.g.akamaiedge.net
23.39.137.97	A	concursolutions.com
23.39.137.101	A+PTR	a23-39-137-101.deploy.static.akamaitechnologies.com
23.39.137.115	A+PTR	a23-39-137-115.deploy.static.akamaitechnologies.com
23.39.137.126	A+PTR	a23-39-137-126.deploy.static.akamaitechnologies.com
23.39.137.140	A+PTR	a23-39-137-140.deploy.static.akamaitechnologies.com
23.39.137.236	A	bmoeasyterm.com
23.39.137.236	A	bmoviegarantie.com
23.39.138.17	A	bmo.com
23.39.138.20	A+PTR	a23-39-138-20.deploy.static.akamaitechnologies.com
23.39.138.20	A	2-01-3b91-0005.cdx.cedexis.net
23.39.138.32	A+PTR	a23-39-138-32.deploy.static.akamaitechnologies.com
23.39.138.77	PTR	a23-39-138-77.deploy.static.akamaitechnologies.com
23.39.138.93	A+PTR	a23-39-138-93.deploy.static.akamaitechnologies.com
23.39.138.96	A+PTR	a23-39-138-96.deploy.static.akamaitechnologies.com
23.39.138.96	A	s-ak.kobojo.com
23.39.138.109	A+PTR	a23-39-138-109.deploy.static.akamaitechnologies.com
23.39.138.118	A	e7128.dsca.akamaiedge.net.0.1.cn.akamaiedge.net
23.39.138.128	A+PTR	a23-39-138-128.deploy.static.akamaitechnologies.com
23.39.138.128	A	secure.spox.com
23.39.138.149	A+PTR	a23-39-138-149.deploy.static.akamaitechnologies.com
23.39.138.149	A	i2.code.msdn.microsoft.com
23.39.138.149	A	i4.code.msdn.microsoft.com
23.39.138.160	A+PTR	a23-39-138-160.deploy.static.akamaitechnologies.com
23.39.138.164	A+PTR	a23-39-138-164.deploy.static.akamaitechnologies.com
23.39.138.164	A	www.golfsmith.com
23.39.138.171	A	rfi.my
23.39.138.177	A+PTR	a23-39-138-177.deploy.static.akamaitechnologies.com
23.39.138.181	A+PTR	a23-39-138-181.deploy.static.akamaitechnologies.com
23.39.138.209	A+PTR	a23-39-138-209.deploy.static.akamaitechnologies.com
23.39.138.210	A+PTR	a23-39-138-210.deploy.static.akamaitechnologies.com
23.39.138.242	A+PTR	a23-39-138-242.deploy.static.akamaitechnologies.com
23.39.138.242	A	undergraduate.research.gwu.edu
23.39.139.4	A	fxnetworks.com
23.39.139.15	A	aircanada.ca
23.39.139.32	A+PTR	a23-39-139-32.deploy.static.akamaitechnologies.com
23.39.139.32	A	ffrk.static.denagames.com
23.39.139.54	A+PTR	a23-39-139-54.deploy.static.akamaitechnologies.com
23.39.139.65	A+PTR	a23-39-139-65.deploy.static.akamaitechnologies.com
23.39.139.65	A	network.onefootball.com
23.39.139.65	A	es.onefootball.com
23.39.139.78	A+PTR	a23-39-139-78.deploy.static.akamaitechnologies.com
23.39.139.103	A+PTR	a23-39-139-103.deploy.static.akamaitechnologies.com
23.39.139.103	A	kiwamigreen.com
23.39.139.103	A	oranginacp.jp
23.39.139.117	A+PTR	a23-39-139-117.deploy.static.akamaitechnologies.com
23.39.139.117	A	forms-cdn.warnerartists.com
23.39.139.148	A+PTR	a23-39-139-148.deploy.static.akamaitechnologies.com
23.39.139.148	A	monbmovoyage.com
23.39.139.150	A+PTR	a23-39-139-150.deploy.static.akamaitechnologies.com
23.39.139.150	A	tunesgo.wondershare.com
23.39.139.222	PTR	a23-39-139-222.deploy.static.akamaitechnologies.com
23.39.139.222	A	hilton.hiltonwifi.com
23.39.140.36	A	h-dnet.com
23.39.140.95	A+PTR	a23-39-140-95.deploy.static.akamaitechnologies.com
23.39.140.95	A	londoncitychryslerjeep.com
23.39.140.97	A+PTR	a23-39-140-97.deploy.static.akamaitechnologies.com
23.39.140.102	PTR	a23-39-140-102.deploy.static.akamaitechnologies.com
23.39.140.123	A+PTR	a23-39-140-123.deploy.static.akamaitechnologies.com
23.39.140.200	PTR	a23-39-140-200.deploy.static.akamaitechnologies.com
23.39.140.200	A	sway-cdn.com
23.39.140.245	A+PTR	a23-39-140-245.deploy.static.akamaitechnologies.com
23.39.140.245	A	e15271.f.akamaiedge.net
23.39.141.15	A	bostonproper.com
23.39.141.28	A+PTR	a23-39-141-28.deploy.static.akamaitechnologies.com
23.39.141.29	A	www.capitalintl.com
23.39.141.186	A+PTR	a23-39-141-186.deploy.static.akamaitechnologies.com
23.39.141.207	A+PTR	a23-39-141-207.deploy.static.akamaitechnologies.com
23.39.141.207	A	a5935064.cdn-pci.optimizely.com
23.39.142.94	A+PTR	a23-39-142-94.deploy.static.akamaitechnologies.com
23.39.142.94	A	midstatehyundai.com
23.39.142.94	A	patriothyundai.com
23.39.143.201	A+PTR	a23-39-143-201.deploy.static.akamaitechnologies.com
23.39.143.201	A	genesisofcoolsprings.net