Robtex

Up: 23.66.32.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 23.66.32.0/22
Down right: 23.66.36.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
23.66.32.0	PTR	a23-66-32-0.deploy.static.akamaitechnologies.com
23.66.32.1	PTR	a23-66-32-1.deploy.static.akamaitechnologies.com
23.66.32.12	A	a23-66-32-12.deploy.static.akamaitechnologies.com
23.66.32.80	PTR	a23-66-32-80.deploy.static.akamaitechnologies.com
23.66.32.128	A+PTR	a23-66-32-128.deploy.static.akamaitechnologies.com
23.66.32.131	PTR	a23-66-32-131.deploy.static.akamaitechnologies.com
23.66.32.131	A	mathletics.me
23.66.32.212	A	a23-66-32-212.deploy.static.akamaitechnologies.com
23.66.32.247	A	a23-66-32-247.deploy.static.akamaitechnologies.com
23.66.33.4	A	a23-66-33-4.deploy.static.akamaitechnologies.com
23.66.33.237	A	a23-66-33-237.deploy.static.akamaitechnologies.com
23.66.34.2	PTR	a23-66-34-2.deploy.static.akamaitechnologies.com
23.66.34.32	A+PTR	a23-66-34-32.deploy.static.akamaitechnologies.com
23.66.34.247	A	a23-66-34-247.deploy.static.akamaitechnologies.com
23.66.35.8	A+PTR	a23-66-35-8.deploy.static.akamaitechnologies.com
23.66.35.27	PTR	a23-66-35-27.deploy.static.akamaitechnologies.com
23.66.35.58	PTR	a23-66-35-58.deploy.static.akamaitechnologies.com
23.66.35.81	PTR	a23-66-35-81.deploy.static.akamaitechnologies.com
23.66.35.81	A	w-mt.co
23.66.35.87	A	searchalot.net
23.66.35.89	PTR	a23-66-35-89.deploy.static.akamaitechnologies.com
23.66.35.186	A	a23-66-35-186.deploy.static.akamaitechnologies.com
23.66.35.246	A	www.eurosportplayer.dk
23.66.36.40	A	a23-66-36-40.deploy.static.akamaitechnologies.com
23.66.36.136	A+PTR	a23-66-36-136.deploy.akamaitechnologies.com
23.66.36.213	A	a23-66-36-213.deploy.static.akamaitechnologies.com
23.66.37.51	PTR	a23-66-37-51.deploy.static.akamaitechnologies.com
23.66.37.51	A	goldbank-online.com
23.66.37.101	A	bilirakis.house.gov
23.66.38.97	PTR	a23-66-38-97.deploy.akamaitechnologies.com
23.66.38.153	PTR	a23-66-38-153.deploy.akamaitechnologies.com
23.66.38.154	A+PTR	a23-66-38-154.deploy.static.akamaitechnologies.com
23.66.39.3	PTR	a23-66-39-3.deploy.akamaitechnologies.com
23.66.39.11	A+PTR	a23-66-39-11.deploy.akamaitechnologies.com
23.66.39.11	A	edarling.nl
23.66.39.107	PTR	a23-66-39-107.deploy.akamaitechnologies.com
23.66.39.122	PTR	a23-66-39-122.deploy.akamaitechnologies.com
23.66.39.122	A	jcrewsuiting.com
23.66.39.122	A	jcrew.gr
23.66.39.174	A	e5393.x.akamaiedge.net
23.66.39.174	A	a23-66-39-174.deploy.static.akamaitechnologies.com
23.66.39.210	PTR	a23-66-39-210.deploy.akamaitechnologies.com
23.66.39.210	A	genesisofstjoseph.com
23.66.39.215	A	a23-66-39-215.deploy.static.akamaitechnologies.com