Internet Domain Survey, January 1995

[David Farber <farber () central cis upenn edu>]

Posted-Date: Mon, 6 Feb 1995 05:50:40 -0500
Date: Mon, 6 Feb 95 2:30:07 PST
Sender: ietf-request () IETF CNRI Reston VA US
From: Mark Lottor <mkl () nw com>
To: ietf () IETF CNRI Reston VA US
Subject: Internet Domain Survey, January 1995




Internet Domain Survey            Network Wizards                January 1995


 The Domain Survey attempts to discover every host on the Internet by doing
 a complete search of the Domain Name System.  The latest results gathered
 during late January 1995 are listed.  For more information see RFC 1296;
                                                               -- Mark Lottor


 FOR THE COMPLETE REPORT AND RELATED INFO SEE:
      http://www.nw.com
            or
      ftp://ftp.nw.com/zone




   Number of Hosts, Domains, and Nets Advertised in the Domain Name System


                                      Replied      Network Class
     Date  |      Hosts   Domains     ToPing*      A     B      C
     ------+-----------------------------------------------------
     Jan 95|  4,852,000    71,000     970,000     91  4979  34340


     Oct 94|  3,864,000    56,000   1,024,000     93  4831  32098
     Jul 94|  3,212,000    46,000     707,000     89  4493  20628
     Apr 94|           -N/A-
     Jan 94|  2,217,000    30,000     576,000     74  4043  16422


     Oct 93|  2,056,000    28,000                 69  3849  12615
     Jul 93|  1,776,000    26,000     464,000     67  3728   9972
     Apr 93|  1,486,000    22,000     421,000     58  3409   6255
     Jan 93|  1,313,000    21,000                 54  3206   4998


     [* estimated by pinging 1% of all hosts]