Robtex

Up: 23.0.208.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 23.0.212.0/23
Down right: 23.0.214.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
23.0.212.52	PTR	a23-0-212-52.deploy.static.akamaitechnologies.com
23.0.212.52	A	audiknoxville.com
23.0.212.59	PTR	a23-0-212-59.deploy.static.akamaitechnologies.com
23.0.212.59	A	e14063.d.akamaiedge.net
23.0.212.120	PTR	a23-0-212-120.deploy.static.akamaitechnologies.com
23.0.212.120	A	visa.co.in
23.0.212.146	PTR	a23-0-212-146.deploy.static.akamaitechnologies.com
23.0.212.146	A	www.xe.eu
23.0.212.164	PTR	a23-0-212-164.deploy.static.akamaitechnologies.com
23.0.212.229	A+PTR	a23-0-212-229.deploy.static.akamaitechnologies.com
23.0.212.229	A	customs.hmrc.gov.uk.edgekey.net
23.0.212.229	A	manuals.voa.gov.uk
23.0.212.231	PTR	a23-0-212-231.deploy.static.akamaitechnologies.com
23.0.213.51	PTR	a23-0-213-51.deploy.static.akamaitechnologies.com
23.0.213.96	PTR	a23-0-213-96.deploy.static.akamaitechnologies.com
23.0.213.117	PTR	a23-0-213-117.deploy.static.akamaitechnologies.com
23.0.213.117	A	e8198.e3.akamaiedge.net
23.0.213.132	A	minioftucson.com
23.0.213.222	PTR	a23-0-213-222.deploy.static.akamaitechnologies.com
23.0.213.222	A	driveultimatesubaru.com
23.0.214.84	A+PTR	a23-0-214-84.deploy.static.akamaitechnologies.com
23.0.215.23	PTR	a23-0-215-23.deploy.static.akamaitechnologies.com
23.0.215.58	PTR	a23-0-215-58.deploy.static.akamaitechnologies.com
23.0.215.76	PTR	a23-0-215-76.deploy.static.akamaitechnologies.com
23.0.215.94	PTR	a23-0-215-94.deploy.static.akamaitechnologies.com
23.0.215.94	A	e2636.e6.akamaiedge.net
23.0.215.148	PTR	a23-0-215-148.deploy.static.akamaitechnologies.com
23.0.215.148	A	edshultsofwarren.com
23.0.215.148	A	elkinschryslerdodgejeepram.com
23.0.215.169	A+PTR	a23-0-215-169.deploy.static.akamaitechnologies.com
23.0.215.204	PTR	a23-0-215-204.deploy.static.akamaitechnologies.com
23.0.215.204	A	mail2.three.co.uk
23.0.215.204	A	skype.three.co.uk
23.0.215.207	PTR	a23-0-215-207.deploy.static.akamaitechnologies.com