Robtex

Up: 88.221.0.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 88.221.4.0/23
Down right: 88.221.6.0/23

IP	Type	Hostname
88.221.4.0	PTR	a88-221-4-0.deploy.static.akamaitechnologies.com
88.221.4.45	PTR	a88-221-4-45.deploy.akamaitechnologies.com
88.221.4.51	PTR	a88-221-4-51.deploy.akamaitechnologies.com
88.221.4.51	A	e7052.dsce6.akamaiedge.net
88.221.4.96	PTR	a88-221-4-96.deploy.static.akamaitechnologies.com
88.221.4.96	A	fifa.com
88.221.4.113	PTR	a88-221-4-113.deploy.akamaitechnologies.com
88.221.4.172	PTR	a88-221-4-172.deploy.akamaitechnologies.com
88.221.4.222	PTR	a88-221-4-222.deploy.akamaitechnologies.com
88.221.5.136	PTR	a88-221-5-136.deploy.akamaitechnologies.com
88.221.5.163	A+PTR	a88-221-5-163.deploy.static.akamaitechnologies.com
88.221.5.163	A	e375.cd.akamaiedge.net
88.221.5.163	A	rwb.usaa.com
88.221.5.196	PTR	a88-221-5-196.deploy.akamaitechnologies.com
88.221.6.110	A+PTR	a88-221-6-110.deploy.akamaitechnologies.com
88.221.6.120	PTR	a88-221-6-120.deploy.akamaitechnologies.com
88.221.6.124	A+PTR	a88-221-6-124.deploy.akamaitechnologies.com
88.221.6.195	PTR	a88-221-6-195.deploy.akamaitechnologies.com
88.221.6.195	A	bmolignedaction.net
88.221.6.196	PTR	a88-221-6-196.deploy.akamaitechnologies.com
88.221.6.225	A+PTR	a88-221-6-225.deploy.akamaitechnologies.com
88.221.6.229	PTR	a88-221-6-229.deploy.akamaitechnologies.com
88.221.7.16	PTR	a88-221-7-16.deploy.akamaitechnologies.com
88.221.7.51	A+PTR	a88-221-7-51.deploy.akamaitechnologies.com
88.221.7.66	PTR	a88-221-7-66.deploy.akamaitechnologies.com
88.221.7.68	PTR	a88-221-7-68.deploy.akamaitechnologies.com
88.221.7.77	PTR	a88-221-7-77.deploy.akamaitechnologies.com
88.221.7.100	A	a88-221-7-100.deploy.akamaitechnologies.com
88.221.7.112	PTR	a88-221-7-112.deploy.akamaitechnologies.com
88.221.7.217	PTR	a88-221-7-217.deploy.akamaitechnologies.com
88.221.7.255	PTR	a88-221-7-255.deploy.static.akamaitechnologies.com