Robtex

Up: 184.28.12.0/22
Can't show all results, try to descend to a more specific CIDR
Down left: 184.28.14.0/24
Down right: 184.28.15.0/24
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
184.28.14.84	PTR	a184-28-14-84.deploy.static.akamaitechnologies.com
184.28.14.85	PTR	a184-28-14-85.deploy.static.akamaitechnologies.com
184.28.14.97	PTR	a184-28-14-97.deploy.static.akamaitechnologies.com
184.28.14.105	A	a184-28-14-105.deploy.static.akamaitechnologies.com
184.28.14.109	A	e4541.g.akamaiedge.net
184.28.14.109	A	e4541.b.akamaiedge.net
184.28.14.116	PTR	a184-28-14-116.deploy.static.akamaitechnologies.com
184.28.14.117	A	e4549.b.akamaiedge.net
184.28.14.123	A+PTR	a184-28-14-123.deploy.static.akamaitechnologies.com
184.28.14.179	A+PTR	a184-28-14-179.deploy.static.akamaitechnologies.com
184.28.14.226	A+PTR	a184-28-14-226.deploy.static.akamaitechnologies.com
184.28.14.226	A	a184-28-14-226.deploy.akamaitechnologies.com
184.28.15.2	PTR	a184-28-15-2.deploy.static.akamaitechnologies.com
184.28.15.55	A+PTR	a184-28-15-55.deploy.static.akamaitechnologies.com
184.28.15.135	PTR	a184-28-15-135.deploy.akamaitechnologies.com
184.28.15.135	A	groupon.nl
184.28.15.135	A	groupon.be
184.28.15.136	A+PTR	a184-28-15-136.deploy.static.akamaitechnologies.com
184.28.15.136	A	e4821.g.akamaiedge.net.0.1.cn.akamaiedge.net
184.28.15.145	A	www.iyogi.net.edgekey.net
184.28.15.152	A	col120.mail.live.com.edgekey.net
184.28.15.178	PTR	a184-28-15-178.deploy.akamaitechnologies.com
184.28.15.205	PTR	a184-28-15-205.deploy.static.akamaitechnologies.com
184.28.15.205	A	a184-28-15-205.deploy.akamaitechnologies.com
184.28.15.210	A	e4895.a.akamaiedge.net
184.28.15.215	A	image.s4.exct.net
184.28.15.250	A	a184-28-15-250.deploy.akamaitechnologies.com