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Network Working Group                              A. WestineRequest for Comments:  847                         D. Smallberg                                                   J. Postel                                                   February, 1983SUMMARY OF SMALLBERG SURVEYSThis is a summary of the surveys of Telnet, FTP and Mail (SMTP)servers conducted by David Smallberg in December 1982 and Januaryand February 1983 as reported inRFC 832-843, 845-846.  This memoextracts the number of hosts that accepted the connection totheir server for each of Telnet, FTP, and SMTP, and compares itto the total host in the Internet (not counting TACs or ECHOS).One would not expect the percentage to reach 100, since somehosts will be down when the surveys are run, but many hosts arefor special purposes and don't offer these services.  We estimatethat 37 hosts or 11 percent are in this catagory and the highestpercentage one could reasonably expect is 89.                                TELNET      RFC        DATE        ACCEPT        TOTAL        PERCENT      ---        ----        ------        -----        -------      832      7 Dec 82        83           315            26      833     14 Dec 82       103           314            33      834     22 Dec 82       102           314            32      835     28 Dec 82        95           314            30      836      4 Jan 83       151           315            48      837     11 Jan 83       171           323            53      838     18 Jan 83       172           323            53      839     25 Jan 83       182           323            56      842      1 Feb 83       183           382            48      843      8 Feb 83       187           329            57      845     15 Feb 83       176           329            53      846     22 Feb 83       190           325            56                                FTP      RFC        DATE        ACCEPT        TOTAL        PERCENT      ---        ----        ------        -----        -------      832      7 Dec 82        70           315            26      833     14 Dec 82        90           314            29      834     22 Dec 82        80           314            25      835     28 Dec 82        80           314            25      836      4 Jan 83       132           315            42      837     11 Jan 83       153           323            47      838     18 Jan 83       159           323            49      839     25 Jan 83       165           323            51      842      1 Feb 83       170           328            52      843      8 Feb 83       174           389            45      845     15 Feb 82       169           329            51      846     22 Feb 83       181           325            56Page 1

                                SMTP      RFC        DATE        ACCEPT        TOTAL        PERCENT      ---        ----        ------        -----        -------      832      7 Dec 82        63           315            20      833     14 Dec 82        82           314            26      834     22 Dec 82        82           314            26      835     28 Dec 82        72           314            23      836      4 Jan 83       124           315            39      837     11 Jan 83       145           323            45      838     18 Jan 83       154           323            48      839     25 Jan 83       159           323            49      842      1 Feb 83       169           328            52      843      8 Feb 83       170           329            52      845     15 Feb 83       169           329            51      846     22 Feb 83       178           325            55Page 2