Robtex

Up: 23.56.176.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 23.56.180.0/23
Down right: 23.56.182.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
23.56.180.1	PTR	a23-56-180-1.deploy.static.akamaitechnologies.com
23.56.180.7	PTR	a23-56-180-7.deploy.static.akamaitechnologies.com
23.56.180.12	PTR	a23-56-180-12.deploy.static.akamaitechnologies.com
23.56.180.13	PTR	a23-56-180-13.deploy.static.akamaitechnologies.com
23.56.180.43	PTR	a23-56-180-43.deploy.static.akamaitechnologies.com
23.56.180.43	A	a23-56-180-43.deploy.akamaitechnologies.com
23.56.180.58	PTR	a23-56-180-58.deploy.static.akamaitechnologies.com
23.56.180.59	PTR	a23-56-180-59.deploy.static.akamaitechnologies.com
23.56.180.78	PTR	a23-56-180-78.deploy.static.akamaitechnologies.com
23.56.180.78	A	a23-56-180-78.deploy.akamaitechnologies.com
23.56.180.80	PTR	a23-56-180-80.deploy.static.akamaitechnologies.com
23.56.180.80	A	e8775.b.akamaiedge.net
23.56.180.96	A+PTR	a23-56-180-96.deploy.static.akamaitechnologies.com
23.56.180.103	PTR	a23-56-180-103.deploy.static.akamaitechnologies.com
23.56.180.108	PTR	a23-56-180-108.deploy.static.akamaitechnologies.com
23.56.180.122	A+PTR	a23-56-180-122.deploy.static.akamaitechnologies.com
23.56.180.141	PTR	a23-56-180-141.deploy.static.akamaitechnologies.com
23.56.180.159	A	www.ldsjobs.org.edgekey.net
23.56.180.167	PTR	a23-56-180-167.deploy.static.akamaitechnologies.com
23.56.180.193	PTR	a23-56-180-193.deploy.static.akamaitechnologies.com
23.56.180.197	PTR	a23-56-180-197.deploy.static.akamaitechnologies.com
23.56.180.207	PTR	a23-56-180-207.deploy.static.akamaitechnologies.com
23.56.180.213	A+PTR	a23-56-180-213.deploy.static.akamaitechnologies.com
23.56.180.230	PTR	a23-56-180-230.deploy.static.akamaitechnologies.com
23.56.181.54	A+PTR	a23-56-181-54.deploy.static.akamaitechnologies.com
23.56.181.56	PTR	a23-56-181-56.deploy.static.akamaitechnologies.com
23.56.181.103	PTR	a23-56-181-103.deploy.static.akamaitechnologies.com
23.56.181.103	A	a23-56-181-103.deploy.akamaitechnologies.com
23.56.181.116	A+PTR	a23-56-181-116.deploy.static.akamaitechnologies.com
23.56.181.116	A	www2.scholastic.com.edgekey.net
23.56.181.193	PTR	a23-56-181-193.deploy.static.akamaitechnologies.com
23.56.181.234	A	www.d9.uscgnews.com
23.56.182.38	PTR	a23-56-182-38.deploy.static.akamaitechnologies.com
23.56.182.68	PTR	a23-56-182-68.deploy.static.akamaitechnologies.com
23.56.182.68	A	stardoll.caravaninsurance.spaces.live.com
23.56.182.68	A	livesessions.spaces.live.com
23.56.182.78	PTR	a23-56-182-78.deploy.static.akamaitechnologies.com
23.56.182.87	PTR	a23-56-182-87.deploy.static.akamaitechnologies.com
23.56.182.90	PTR	a23-56-182-90.deploy.static.akamaitechnologies.com
23.56.182.140	A+PTR	a23-56-182-140.deploy.static.akamaitechnologies.com
23.56.182.140	A	a23-56-182-140.deploy.akamaitechnologies.com
23.56.182.149	PTR	a23-56-182-149.deploy.static.akamaitechnologies.com
23.56.182.172	PTR	a23-56-182-172.deploy.static.akamaitechnologies.com
23.56.182.188	A+PTR	a23-56-182-188.deploy.static.akamaitechnologies.com
23.56.182.225	PTR	a23-56-182-225.deploy.static.akamaitechnologies.com
23.56.183.7	PTR	a23-56-183-7.deploy.akamaitechnologies.com
23.56.183.9	PTR	a23-56-183-9.deploy.akamaitechnologies.com
23.56.183.31	A+PTR	a23-56-183-31.deploy.static.akamaitechnologies.com
23.56.183.31	A	e1707.b.akamaiedge.net
23.56.183.41	PTR	a23-56-183-41.deploy.static.akamaitechnologies.com
23.56.183.60	PTR	a23-56-183-60.deploy.akamaitechnologies.com
23.56.183.93	PTR	a23-56-183-93.deploy.akamaitechnologies.com
23.56.183.117	A+PTR	a23-56-183-117.deploy.static.akamaitechnologies.com
23.56.183.133	PTR	a23-56-183-133.deploy.static.akamaitechnologies.com
23.56.183.133	A	www.pacific-audi.com
23.56.183.133	A	www.woodburynissan.com
23.56.183.136	PTR	a23-56-183-136.deploy.akamaitechnologies.com
23.56.183.145	A	e1821.b.akamaiedge.net
23.56.183.155	PTR	a23-56-183-155.deploy.akamaitechnologies.com
23.56.183.169	PTR	a23-56-183-169.deploy.akamaitechnologies.com
23.56.183.208	A	aln.hcm.em2.oraclecloud.com