Internet Domain Survey, July 1997

Number of Hosts and Domains advertised in the DNS

                                       Replied
     Date  |      Hosts    Domains    To Ping*
     ------+----------------------------------
     Jul 97| 19,540,000  1,301,000   4,314,410
     Jan 97| 16,146,000    828,000   3,392,000
 
     Jul 96| 12,881,000    488,000   2,569,000
     Jan 96|  9,472,000    240,000   1,682,000
 
     Jul 95|  6,642,000    120,000   1,149,000
     Jan 95|  4,852,000     71,000     970,000
 
     Jul 94|  3,212,000     46,000     707,000
     Jan 94|  2,217,000     30,000     576,000
 
     Jul 93|  1,776,000     26,000     464,000
     Jan 93|  1,313,000     21,000            
     
     [* estimated by pinging 1% of all hosts]
 

Detailed Survey Data

• Distributions by Top-Level Domain Name (by hostcount)
• Distributions by Top-Level Domain Name (by name)
• Host Count Graph (1991-1997)
• Distributions by Host Name
• Survey Notes and Observations