Robtex

Up: 88.221.128.0/20
Can't show all results, try to descend to a more specific CIDR
Down left: 88.221.136.0/22
Down right: 88.221.140.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
88.221.136.0	PTR	a88-221-136-0.deploy.akamaitechnologies.com
88.221.136.37	A	a88-221-136-37.deploy.static.akamaitechnologies.com
88.221.136.37	A	a88-221-136-37.deploy.akamaitechnologies.com
88.221.136.45	A	akcdn.okccdn.com.edgekey.net
88.221.136.66	A	a88-221-136-66.deploy.akamaitechnologies.com
88.221.136.216	A	a88-221-136-216.deploy.akamaitechnologies.com
88.221.137.27	PTR	a88-221-137-27.deploy.static.akamaitechnologies.com
88.221.137.27	A	sports.tile.appex.bing.com.edgekey.net
88.221.137.27	A	e10675.g.akamaiedge.net
88.221.137.43	PTR	a88-221-137-43.deploy.akamaitechnologies.com
88.221.137.127	A	a88-221-137-127.deploy.akamaitechnologies.com
88.221.137.213	A	a88-221-137-213.deploy.static.akamaitechnologies.com
88.221.138.16	PTR	a88-221-138-16.deploy.akamaitechnologies.com
88.221.138.81	A	kurmikshatriyashaadi.com
88.221.138.129	A	sunnishaadi.com
88.221.139.51	A+PTR	a88-221-139-51.deploy.akamaitechnologies.com
88.221.139.112	A+PTR	a88-221-139-112.deploy.akamaitechnologies.com
88.221.139.144	A	a88-221-139-144.deploy.akamaitechnologies.com
88.221.139.177	PTR	a88-221-139-177.deploy.akamaitechnologies.com
88.221.139.177	A	jaguarkorea.co.kr
88.221.140.50	PTR	a88-221-140-50.deploy.akamaitechnologies.com
88.221.140.56	PTR	a88-221-140-56.deploy.static.akamaitechnologies.com
88.221.140.56	A	bmofg.org
88.221.140.56	A	termbmo.com
88.221.140.66	PTR	a88-221-140-66.deploy.akamaitechnologies.com
88.221.140.111	A	nflshop.com
88.221.140.111	A	a88-221-140-111.deploy.static.akamaitechnologies.com
88.221.140.125	A	a88-221-140-125.deploy.static.akamaitechnologies.com
88.221.140.147	PTR	a88-221-140-147.deploy.akamaitechnologies.com
88.221.140.147	A	e8299.ksd.akamaiedge.net
88.221.140.147	A	so.daiwa.co.jp
88.221.141.99	A+PTR	a88-221-141-99.deploy.akamaitechnologies.com
88.221.141.115	A+PTR	a88-221-141-115.deploy.akamaitechnologies.com
88.221.141.153	A+PTR	a88-221-141-153.deploy.static.akamaitechnologies.com
88.221.142.7	A	original.com.br
88.221.142.43	A+PTR	a88-221-142-43.deploy.akamaitechnologies.com
88.221.142.146	PTR	a88-221-142-146.deploy.akamaitechnologies.com
88.221.142.206	A	na4.force.com.edgekey.net
88.221.143.41	A+PTR	a88-221-143-41.deploy.akamaitechnologies.com