Robtex

Up: 17.249.192.0/18
Can't show all results, try to descend to a more specific CIDR
Down left: 17.249.192.0/20
Down right: 17.249.208.0/20

IP	Type	Hostname
17.249.203.246	A	api-glb-kcy.smoot.apple.com
17.249.210.68	A	gsp-ssl-useast.ls3-apple.com.akadns.net
17.249.210.68	A	gsp-ssl-ussouthcentral.ls3-apple.com.akadns.net
17.249.219.245	A+PTR	out-hou.smoot.apple.com
17.249.219.246	A+PTR	api-hou.smoot.apple.com
17.249.219.246	A	api-glb-hou.smoot.apple.com