http://www-public.it-sudparis.eu/~maigron/RIR_Stats/index.html
RIR Delegations
These pages provide statistics on IP addresses and ASN numbers delegated by RIRs to each country in their geographic area. Delegation details for each country are also available.
These statistics are generated automatically from the RIRs delegation files available via FTP:
ftp://ftp.afrinic.net/pub/stats/afrinic/delegated-afrinic-extended-latest ftp://ftp.apnic.net/pub/stats/apnic/delegated-apnic-extended-latest