Robtex

Up: 173.222.176.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 173.222.180.0/23
Down right: 173.222.182.0/23

IP	Type	Hostname
173.222.180.44	A+PTR	a173-222-180-44.deploy.static.akamaitechnologies.com
173.222.180.49	PTR	a173-222-180-49.deploy.static.akamaitechnologies.com
173.222.180.92	A+PTR	a173-222-180-92.deploy.static.akamaitechnologies.com
173.222.180.156	A+PTR	a173-222-180-156.deploy.static.akamaitechnologies.com
173.222.180.182	PTR	a173-222-180-182.deploy.static.akamaitechnologies.com
173.222.180.188	PTR	a173-222-180-188.deploy.static.akamaitechnologies.com
173.222.180.223	PTR	a173-222-180-223.deploy.static.akamaitechnologies.com
173.222.181.78	PTR	a173-222-181-78.deploy.static.akamaitechnologies.com
173.222.181.165	A+PTR	a173-222-181-165.deploy.static.akamaitechnologies.com
173.222.181.236	PTR	a173-222-181-236.deploy.static.akamaitechnologies.com
173.222.181.250	PTR	a173-222-181-250.deploy.static.akamaitechnologies.com
173.222.182.115	PTR	a173-222-182-115.deploy.static.akamaitechnologies.com
173.222.183.2	PTR	a173-222-183-2.deploy.static.akamaitechnologies.com
173.222.183.22	PTR	a173-222-183-22.deploy.static.akamaitechnologies.com
173.222.183.222	A+PTR	a173-222-183-222.deploy.static.akamaitechnologies.com