Below are charts with information about highlighted ARIN statistics for 2005.The data is aggregated by month for the year noted. Additional statistics, including other historical ARIN statistics by year and links to statistics of the other Regional Internet Registries, are available through the links on the right.
*/24 (class C) equivalents are used as the "common denominator" for measuring the larger (/19s, /16s, etc.) networks that ARIN actually allocates. One /19 equals 32 /24s. One /16 equals 256 /24s.