Robtex

Up: 17.249.64.0/20
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Down left: 17.249.64.0/22
Down right: 17.249.68.0/22

IP	Type	Hostname
17.249.68.27	A+PTR	ch-waldo.apple.com
17.249.68.28	A+PTR	ch-waldo-test.apple.com
17.249.68.252	A+PTR	ch-waldo-qa.apple.com
17.249.68.253	A+PTR	ch-waldo-stg.apple.com
17.249.68.254	A+PTR	ch-waldo.apple.com
17.249.69.152	PTR	ch41-stg-tuscany.siri.apple.com