Robtex

Up: 23.223.0.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 23.223.8.0/22
Down right: 23.223.12.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
23.223.8.42	PTR	a23-223-8-42.deploy.static.akamaitechnologies.com
23.223.8.82	PTR	a23-223-8-82.deploy.static.akamaitechnologies.com
23.223.8.86	PTR	a23-223-8-86.deploy.static.akamaitechnologies.com
23.223.8.96	A	discoverstudentloans.com
23.223.8.128	A+PTR	a23-223-8-128.deploy.static.akamaitechnologies.com
23.223.8.228	A+PTR	a23-223-8-228.deploy.static.akamaitechnologies.com
23.223.10.23	PTR	a23-223-10-23.deploy.static.akamaitechnologies.com
23.223.10.233	PTR	a23-223-10-233.deploy.static.akamaitechnologies.com
23.223.11.105	PTR	a23-223-11-105.deploy.static.akamaitechnologies.com
23.223.11.105	A	qianzi333.com
23.223.11.105	A	preciouswatchchina.com
23.223.11.244	PTR	a23-223-11-244.deploy.static.akamaitechnologies.com
23.223.12.46	PTR	a23-223-12-46.deploy.static.akamaitechnologies.com
23.223.12.214	A+PTR	a23-223-12-214.deploy.static.akamaitechnologies.com
23.223.12.214	A	listserv.opm.gov
23.223.12.219	PTR	a23-223-12-219.deploy.static.akamaitechnologies.com
23.223.13.21	PTR	a23-223-13-21.deploy.static.akamaitechnologies.com
23.223.13.37	A	cucomply.com
23.223.13.84	PTR	a23-223-13-84.deploy.static.akamaitechnologies.com
23.223.13.141	PTR	a23-223-13-141.deploy.static.akamaitechnologies.com
23.223.14.220	A+PTR	a23-223-14-220.deploy.static.akamaitechnologies.com
23.223.15.255	PTR	a23-223-15-255.deploy.static.akamaitechnologies.com