BGP history in enterprise?

[Andrey Khomyakov <khomyakov.andrey () gmail com>]

Looking for something to keep track of BGP route changes in a large
enterprise. Found http://www.ibgplay.org/, but I can't seem to get in touch
with them to obtain that free license needed to start the service.
Does anyone know of something that would do what bgplay does or
alternatively how to get in touch with the ibgplay folks for that license...

Thanks,

--Andrey