Caveat: I'm not a Network Engineer per se, but have spent some time playing in the networking space.
Currently I'm involved in a corporate merger. Both entities use extensive private IP address spaces internally, in the A, B and C class ranges, and the consolidated IP Routing table on each side runs into the thousands (expressed as a list of CIDRs) including inherited/aggregated collections of networks i.e. a
I've encountered this before, but never to this degree. Previously it has generally been a mostly manual effort to resolve the conflicts, but the size of the data sets in this case are somewhat daunting.
I've been looking for a data analysis tool, or visualization approach that would simply reviewing the data set, and develop a model of the conflicted spaces, but haven't been able to find much — hence turning to this forum (in desperation