Robtex

Up: 88.221.40.0/21
Can't show all results, try to descend to a more specific CIDR
Down left: 88.221.40.0/23
Down right: 88.221.42.0/23
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
88.221.40.0	PTR	a88-221-40-0.deploy.akamaitechnologies.com
88.221.40.8	PTR	a88-221-40-8.deploy.akamaitechnologies.com
88.221.40.20	A+PTR	a88-221-40-20.deploy.akamaitechnologies.com
88.221.40.24	A+PTR	a88-221-40-24.deploy.akamaitechnologies.com
88.221.40.26	PTR	a88-221-40-26.deploy.akamaitechnologies.com
88.221.40.30	PTR	a88-221-40-30.deploy.static.akamaitechnologies.com
88.221.40.30	A	e7808.g.akamaiedge.net
88.221.40.44	A+PTR	a88-221-40-44.deploy.static.akamaitechnologies.com
88.221.40.44	A	a88-221-40-44.deploy.akamaitechnologies.com
88.221.40.51	PTR	a88-221-40-51.deploy.static.akamaitechnologies.com
88.221.40.59	A+PTR	a88-221-40-59.deploy.akamaitechnologies.com
88.221.40.59	A	kariv.org
88.221.40.59	A	vanbutton.com
88.221.40.66	A+PTR	a88-221-40-66.deploy.static.akamaitechnologies.com
88.221.40.83	PTR	a88-221-40-83.deploy.akamaitechnologies.com
88.221.40.90	A+PTR	a88-221-40-90.deploy.static.akamaitechnologies.com
88.221.40.99	PTR	a88-221-40-99.deploy.akamaitechnologies.com
88.221.40.105	PTR	a88-221-40-105.deploy.static.akamaitechnologies.com
88.221.40.105	A	a88-221-40-105.deploy.akamaitechnologies.com
88.221.40.105	A	e1723.dscd.akamaiedge.net
88.221.40.131	PTR	a88-221-40-131.deploy.akamaitechnologies.com
88.221.40.148	A	a88-221-40-148.deploy.akamaitechnologies.com
88.221.40.183	A+PTR	a88-221-40-183.deploy.akamaitechnologies.com
88.221.40.185	PTR	a88-221-40-185.deploy.akamaitechnologies.com
88.221.40.208	PTR	a88-221-40-208.deploy.akamaitechnologies.com
88.221.40.219	A+PTR	a88-221-40-219.deploy.static.akamaitechnologies.com
88.221.40.237	PTR	a88-221-40-237.deploy.akamaitechnologies.com
88.221.40.237	A	e3673.dscg.akamaiedge.net
88.221.41.6	A+PTR	a88-221-41-6.deploy.static.akamaitechnologies.com
88.221.41.10	A+PTR	a88-221-41-10.deploy.static.akamaitechnologies.com
88.221.41.15	A	a88-221-41-15.deploy.akamaitechnologies.com
88.221.41.32	PTR	a88-221-41-32.deploy.akamaitechnologies.com
88.221.41.32	A	e3843.g.akamaiedge.net
88.221.41.35	PTR	a88-221-41-35.deploy.akamaitechnologies.com
88.221.41.49	PTR	a88-221-41-49.deploy.akamaitechnologies.com
88.221.41.51	A+PTR	a88-221-41-51.deploy.akamaitechnologies.com
88.221.41.69	PTR	a88-221-41-69.deploy.static.akamaitechnologies.com
88.221.41.108	A+PTR	a88-221-41-108.deploy.akamaitechnologies.com
88.221.41.151	A+PTR	a88-221-41-151.deploy.akamaitechnologies.com
88.221.41.163	PTR	a88-221-41-163.deploy.akamaitechnologies.com
88.221.41.167	PTR	a88-221-41-167.deploy.akamaitechnologies.com
88.221.41.167	A	e6858.dscd.akamaiedge.net
88.221.41.179	PTR	a88-221-41-179.deploy.akamaitechnologies.com
88.221.41.179	A	comditel.com
88.221.41.179	A	itxtrading.com
88.221.41.183	PTR	a88-221-41-183.deploy.akamaitechnologies.com
88.221.41.193	PTR	a88-221-41-193.deploy.static.akamaitechnologies.com
88.221.41.193	A	a88-221-41-193.deploy.akamaitechnologies.com
88.221.41.197	A+PTR	a88-221-41-197.deploy.akamaitechnologies.com
88.221.41.218	PTR	a88-221-41-218.deploy.akamaitechnologies.com
88.221.41.242	PTR	a88-221-41-242.deploy.akamaitechnologies.com
88.221.41.242	A	apts.com
88.221.41.249	A+PTR	a88-221-41-249.deploy.static.akamaitechnologies.com
88.221.41.249	A	e13136.d.akamaiedge.net
88.221.41.249	A	a88-221-41-249.deploy.akamaitechnologies.com
88.221.41.254	A+PTR	a88-221-41-254.deploy.akamaitechnologies.com
88.221.42.5	PTR	a88-221-42-5.deploy.akamaitechnologies.com
88.221.42.27	PTR	a88-221-42-27.deploy.akamaitechnologies.com
88.221.42.97	A+PTR	a88-221-42-97.deploy.akamaitechnologies.com
88.221.42.103	PTR	a88-221-42-103.deploy.akamaitechnologies.com
88.221.42.147	A+PTR	a88-221-42-147.deploy.static.akamaitechnologies.com
88.221.42.179	PTR	a88-221-42-179.deploy.akamaitechnologies.com
88.221.42.238	PTR	a88-221-42-238.deploy.akamaitechnologies.com
88.221.42.241	A+PTR	a88-221-42-241.deploy.akamaitechnologies.com
88.221.43.25	A+PTR	a88-221-43-25.deploy.static.akamaitechnologies.com