Robtex

Up: 88.221.24.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 88.221.28.0/23
Down right: 88.221.30.0/23

IP	Type	Hostname
88.221.28.47	PTR	a88-221-28-47.deploy.akamaitechnologies.com
88.221.28.47	A	r4.res.outlook.com
88.221.28.96	A+PTR	a88-221-28-96.deploy.akamaitechnologies.com
88.221.28.121	A	e95.g.akamaiedge.net
88.221.30.8	PTR	a88-221-30-8.deploy.static.akamaitechnologies.com
88.221.30.52	A	a88-221-30-52.deploy.akamaitechnologies.com
88.221.30.105	PTR	a88-221-30-105.deploy.akamaitechnologies.com
88.221.30.124	A+PTR	a88-221-30-124.deploy.akamaitechnologies.com
88.221.30.203	A+PTR	a88-221-30-203.deploy.akamaitechnologies.com
88.221.31.81	PTR	a88-221-31-81.deploy.static.akamaitechnologies.com
88.221.31.222	PTR	a88-221-31-222.deploy.akamaitechnologies.com
88.221.31.222	A	an.secure.tacoda.net