Robtex

Up: 17.179.32.0/19
Can't show all results, try to descend to a more specific CIDR
Down left: 17.179.32.0/21
Down right: 17.179.40.0/21
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
17.179.32.136	A+PTR	canary.apple.com
17.179.32.136	A	canary-temp.apple.com
17.179.32.150	A	jcm.apple.com
17.179.32.153	A+PTR	colormasters.apple.com
17.179.32.154	A+PTR	sgmaterial.apple.com
17.179.32.198	A	fba.apple.com
17.179.32.222	A+PTR	rti-rmr-bz10.apple.com
17.179.32.231	A+PTR	mficarplaycertificationportal.apple.com
17.179.32.231	A+PTR	carplay-certification.apple.com
17.179.32.231	PTR	certificationportal.apple.com
17.179.32.232	PTR	mficertificationportal.apple.com
17.179.32.232	A+PTR	carplay-certification.apple.com
17.179.32.232	A+PTR	mficarplaycertificationportal.apple.com
17.179.34.20	A+PTR	plec.apple.com
17.179.35.5	A+PTR	ops-leapp-validate.apple.com