Robtex

Up: 216.99.140.0/22
(Some of the IP numbers are capped at 3 entries)

IP	Type	Hostname
216.99.142.67	PTR	wfrm.trendmicro.com
216.99.142.67	PTR	wfrm-apac.trendmicro.com
216.99.142.67	PTR	wfrm-lar.trendmicro.com
216.99.142.70	PTR	wfbs-svc.trendmicro.com
216.99.142.70	PTR	wfbs-svc-nabu.trendmicro.com
216.99.142.71	PTR	wfbs-svc-nabu-aal.trendmicro.com