Robtex

Up: 104.81.0.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 104.81.16.0/21
Down right: 104.81.24.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
104.81.16.77	A+PTR	a104-81-16-77.deploy.static.akamaitechnologies.com
104.81.17.127	A+PTR	a104-81-17-127.deploy.static.akamaitechnologies.com
104.81.18.112	A+PTR	a104-81-18-112.deploy.static.akamaitechnologies.com
104.81.19.122	A+PTR	a104-81-19-122.deploy.static.akamaitechnologies.com
104.81.19.234	A+PTR	a104-81-19-234.deploy.static.akamaitechnologies.com
104.81.19.234	A	ostp.gov
104.81.20.25	A+PTR	a104-81-20-25.deploy.static.akamaitechnologies.com
104.81.20.87	A+PTR	a104-81-20-87.deploy.static.akamaitechnologies.com
104.81.20.87	A	navymwrmeridian.com
104.81.20.245	A+PTR	a104-81-20-245.deploy.static.akamaitechnologies.com
104.81.20.245	A	bmolifedirectterm.com
104.81.21.49	PTR	a104-81-21-49.deploy.static.akamaitechnologies.com
104.81.21.242	A+PTR	a104-81-21-242.deploy.static.akamaitechnologies.com
104.81.23.34	A+PTR	a104-81-23-34.deploy.static.akamaitechnologies.com
104.81.23.34	A	bmofundfacts.biz
104.81.23.34	A	bmoassurance-voyage.com
104.81.23.54	A+PTR	a104-81-23-54.deploy.static.akamaitechnologies.com
104.81.23.101	A+PTR	a104-81-23-101.deploy.static.akamaitechnologies.com
104.81.23.128	A+PTR	a104-81-23-128.deploy.static.akamaitechnologies.com
104.81.24.18	A+PTR	a104-81-24-18.deploy.static.akamaitechnologies.com
104.81.24.170	A+PTR	a104-81-24-170.deploy.static.akamaitechnologies.com
104.81.26.2	A+PTR	a104-81-26-2.deploy.static.akamaitechnologies.com
104.81.26.179	A+PTR	a104-81-26-179.deploy.static.akamaitechnologies.com
104.81.26.179	A	tdafdirect.ca
104.81.27.140	PTR	a104-81-27-140.deploy.static.akamaitechnologies.com
104.81.29.136	A+PTR	a104-81-29-136.deploy.static.akamaitechnologies.com