Internet Domain Survey, Jan 2005

Number of Hosts advertised in the DNS

           |     Survey    Adjusted     Replied
     Date  | Host Count  Host Count    To Ping*
   --------+-----------------------------------
   Jan 2005|317,646,084                  -

   Jul 2004|285,139,107                  -
   Jan 2004|233,101,481                  -

   Jan 2003|171,638,297                  -

   Jul 2002|162,128,493                  -
   Jan 2002|147,344,723                  -

   Jul 2001|125,888,197
   Jan 2001|109,574,429                  -

   Jul 2000| 93,047,785                  -
   Jan 2000| 72,398,092                  -

   Jul 1999| 56,218,000                  -
   Jan 1999| 43,230,000               8,426,000

   Jul 1998| 36,739,000               6,529,000
   Jan 1998| 29,670,000               5,331,640   [first NEW Survey]

   Jul 1997| 19,540,000  26,053,000   4,314,410   [last OLD Survey]
   Jan 1997| 16,146,000  21,819,000   3,392,000
 
   Jul 1996| 12,881,000  16,729,000   2,569,000
   Jan 1996|  9,472,000  14,352,000   1,682,000
 
   Jul 1995|  6,642,000   8,200,000   1,149,000
   Jan 1995|  4,852,000   5,846,000     970,000

   Jul 1994|  3,212,000                 707,000
   Jan 1994|  2,217,000                 576,000
 
   Jul 1993|  1,776,000                 464,000
   Jan 1993|  1,313,000             

[* estimated by pinging a sample of all hosts]

[adjusted host count was computed by increasing the old survey host count by the percentage of domains that did not respond to the old survey method]

Detailed Survey Data

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