Robtex

Up: 54.66.0.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 54.66.32.0/20
Down right: 54.66.48.0/20
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
54.66.32.1	A+PTR	ec2-54-66-32-1.ap-southeast-2.compute.amazonaws.com
54.66.32.220	A	credit4you.mobi
54.66.33.2	A	ec2-54-66-33-2.ap-southeast-2.compute.amazonaws.com
54.66.36.2	A	ec2-54-66-36-2.ap-southeast-2.compute.amazonaws.com
54.66.36.174	A	ec2-54-66-36-174.ap-southeast-2.compute.amazonaws.com
54.66.37.134	A+PTR	ec2-54-66-37-134.ap-southeast-2.compute.amazonaws.com
54.66.37.134	A	www.create.kahoot.it
54.66.37.134	A	greate.kahoot.it
54.66.38.48	A	teds.com.au
54.66.38.70	A	clearcalcs.com
54.66.39.158	A	cognito-idp.ap-southeast-2.amazonaws.com
54.66.39.208	A	svn-1973.devcloud.hosting.acquia.com
54.66.41.11	A	fwi.com.au
54.66.41.130	PTR	ec2-54-66-41-130.ap-southeast-2.compute.amazonaws.com
54.66.41.130	A	grabadeal.co.nz
54.66.41.130	A	imiev.co.nz
54.66.44.21	A	www.mightyape.co.nz
54.66.44.85	A	silverbrumby.com.au
54.66.47.120	A+PTR	ec2-54-66-47-120.ap-southeast-2.compute.amazonaws.com
54.66.50.124	A	oneshoeco.com
54.66.50.144	A	luxuryescapes.com
54.66.52.101	A	secure.optus.com.au
54.66.55.36	A+PTR	ec2-54-66-55-36.ap-southeast-2.compute.amazonaws.com
54.66.55.36	A	free2govic.com.au
54.66.55.123	A	sparkhire.com
54.66.58.144	A+PTR	ec2-54-66-58-144.ap-southeast-2.compute.amazonaws.com
54.66.58.144	A	rad-australia.aws.fry-it.com
54.66.58.144	A	rad.org.au
54.66.61.22	A	officeworks.net.au
54.66.61.22	A	www.officeworks.net.au
54.66.61.215	A	adservingunlimited.net