Robtex

Up: 23.192.168.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 23.192.172.0/23
Down right: 23.192.174.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
23.192.172.23	A+PTR	a23-192-172-23.deploy.static.akamaitechnologies.com
23.192.172.23	A	www.flannels.com
23.192.172.23	A	www.nufcdirect.com
23.192.172.30	A+PTR	a23-192-172-30.deploy.static.akamaitechnologies.com
23.192.172.57	A+PTR	a23-192-172-57.deploy.static.akamaitechnologies.com
23.192.172.92	A+PTR	a23-192-172-92.deploy.static.akamaitechnologies.com
23.192.172.104	A	*.residentportal.com
23.192.172.104	A	dgreene.residentportal.com
23.192.172.104	A	*.prospectportal.com
23.192.172.120	A+PTR	a23-192-172-120.deploy.static.akamaitechnologies.com
23.192.172.136	A+PTR	a23-192-172-136.deploy.static.akamaitechnologies.com
23.192.172.136	A	www.aliandtyson.com
23.192.172.159	A+PTR	a23-192-172-159.deploy.static.akamaitechnologies.com
23.192.172.192	A+PTR	a23-192-172-192.deploy.static.akamaitechnologies.com
23.192.172.200	A+PTR	a23-192-172-200.deploy.static.akamaitechnologies.com
23.192.172.208	A+PTR	a23-192-172-208.deploy.static.akamaitechnologies.com
23.192.172.217	A	a23-192-172-217.deploy.static.akamaitechnologies.com
23.192.172.234	A+PTR	a23-192-172-234.deploy.static.akamaitechnologies.com
23.192.173.54	PTR	a23-192-173-54.deploy.static.akamaitechnologies.com
23.192.173.54	A	zapchastkovel.olx.ua
23.192.173.54	A	oksana1.olx.ua
23.192.173.83	A	www.bestserve.com
23.192.173.126	A+PTR	a23-192-173-126.deploy.static.akamaitechnologies.com
23.192.173.126	A	e6310.i.akamaiedge.net
23.192.173.129	A+PTR	a23-192-173-129.deploy.static.akamaitechnologies.com
23.192.173.143	A+PTR	a23-192-173-143.deploy.static.akamaitechnologies.com
23.192.173.151	A+PTR	a23-192-173-151.deploy.static.akamaitechnologies.com
23.192.173.229	A+PTR	a23-192-173-229.deploy.static.akamaitechnologies.com
23.192.173.254	A	ozodlik.mobi
23.192.174.15	A+PTR	a23-192-174-15.deploy.static.akamaitechnologies.com
23.192.174.15	A	wowengage.com.au
23.192.174.90	A+PTR	a23-192-174-90.deploy.static.akamaitechnologies.com
23.192.174.96	A+PTR	a23-192-174-96.deploy.static.akamaitechnologies.com
23.192.174.180	PTR	a23-192-174-180.deploy.static.akamaitechnologies.com
23.192.174.180	A	e9794.dsce12.akamaiedge.net
23.192.174.201	A	www01.wellsfargomedia.com
23.192.175.35	A+PTR	a23-192-175-35.deploy.static.akamaitechnologies.com
23.192.175.46	A+PTR	a23-192-175-46.deploy.static.akamaitechnologies.com
23.192.175.62	A+PTR	a23-192-175-62.deploy.static.akamaitechnologies.com
23.192.175.98	A+PTR	a23-192-175-98.deploy.static.akamaitechnologies.com
23.192.175.98	A	e7017.x.akamaiedge.net
23.192.175.142	A+PTR	a23-192-175-142.deploy.static.akamaitechnologies.com
23.192.175.227	A+PTR	a23-192-175-227.deploy.static.akamaitechnologies.com