For RIPE there is a new beta service to display history of objects in the RIPE DB
https://labs.ripe.net/Members/kranjbar/proposal-to-display-history-of-objects-in-ripe-database Cheers matthias -- Matthias Waehlisch . Freie Universitaet Berlin, Inst. fuer Informatik, AG CST . Takustr. 9, D-14195 Berlin, Germany .. mailto:waehli...@ieee.org .. http://www.inf.fu-berlin.de/~waehl :. Also: http://inet.cpt.haw-hamburg.de .. http://www.link-lab.net On Mon, 6 May 2013, Ahmed Elmokashfi wrote: > ARIN has a WHOWAS service which requires access permission. For other RIRs, > you need to get historical Whois dumps. > > Ahmed > > On 6. mai 2013, at 22:14, Mike Hyde <mike.hy...@gmail.com> wrote: > > > Is there a way to get the past owners on IP blocks and AS numbers? > > > > > > > >
