Robtex

Up: 216.99.128.0/21
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Down left: 216.99.132.0/23
Down right: 216.99.134.0/23

IP	Type	Hostname
216.99.132.9	PTR	jp.emailsec.trendmicro.com
216.99.132.9	PTR	us.emailsec.trendmicro.com
216.99.132.9	PTR	jp.imhs.trendmicro.com
216.99.132.106	PTR	oscex-en.nfc.trendmicro.com
216.99.133.18	A	samprm.trendmicro.com
216.99.133.93	A	gcswtest.trendmicro.com
216.99.133.184	A	nabu-tms.trendmicro.com
216.99.134.113	PTR	zdase.trendmicro.com