This OLE DB Provider is provided by Sybase.
Include "Provider=ASAProv" in the connection string to use this provider.
There is no 'Adaptive Server Anywhere OLE DB Provider' installation package to download. (if you know about an installation package URL you can contribute to the community by submitting the info to us through this message form)
The Adaptive Server Anywhere OLE DB Provider provider can be used to connect to the following data sources by using the following connection string references: