Historical IP Address Routing Information
datasetposted on 02.03.2015, 00:00 by Hadi Asghari
This data enables you to perform offline IP address to Autonomous System Number lookups for any point in time. The data is based on information provided by Route-Views. The best way to use this dataset is throught the pyasn python package developed specifically for this purpose (https://pypi.python.org/pypi/pyasn).