gistfile1.txt

$ tail -n +210868 whosthere/log.jsonl | while read line; do echo "$line" | jq -r .ClientVersion | xxd -r -p; echo; done | sort | uniq -c | sort -n
      1 SSH-2.0-dropbear_2015.67
      1 SSH-2.0-nsssh2_5.0.0029 NetSarang Computer, Inc.
      1 SSH-2.0-OpenSSH_3.9p1
      1 SSH-2.0-OpenSSH_5.3p1 Debian-3ubuntu7
      1 SSH-2.0-OpenSSH_5.3p1 Debian-3ubuntu7.1
      1 SSH-2.0-OpenSSH_5.4p1 FreeBSD-20100308
      1 SSH-2.0-OpenSSH_5.8
      1 SSH-2.0-OpenSSH_5.8p1 Debian-7ubuntu1
      1 SSH-2.0-OpenSSH_5.9p1 Debian-5ubuntu1.1
      1 SSH-2.0-OpenSSH_6.0p1 Debian-3ubuntu1.2
      1 SSH-2.0-OpenSSH_6.0p1 Debian-4
      1 SSH-2.0-OpenSSH_6.2_hpn13v11 FreeBSD-20130515
      1 SSH-2.0-OpenSSH_6.5p2-hpn14v4
      1 SSH-2.0-OpenSSH_6.6.1p1 Debian-4~bpo70+1
      1 SSH-2.0-OpenSSH_6.6p1 Ubuntu-2ubuntu1
      1 SSH-2.0-OpenSSH_6.9p1 Debian-1
      1 SSH-2.0-OpenSSH_7.1p1 Debian-1
      1 SSH-2.0-OpenSSH_7.1p1 Ubuntu-4
      1 SSH-2.0-PuTTY_Release_0.59
      1 SSH-2.0-SecureBlackbox.9
      1 SSH-2.0-Sun_SSH_1.1.4
      1 SSH-2.0-Sun_SSH_1.5
      1 SSH-2.0-Sun_SSH_2.2
      1 SSH-2.0-Token2Shell_MDU_10.4.0_LIB.2.0
      1 SSH-2.0-vSSH_1.9
      1 SSH-2.0-WinSCP_release_4.2.9
      2 SSH-2.0-dropbear_2011.54
      2 SSH-2.0-libssh-0.6.0
      2 SSH-2.0-OpenSSH_3.7.1p2
      2 SSH-2.0-OpenSSH_3.8.1p1
      2 SSH-2.0-OpenSSH_6.4_hpn13v11 FreeBSD-20131111
      2 SSH-2.0-OpenSSH_6.4p1 Debian-2
      2 SSH-2.0-OpenSSH_6.6.1p1 Debian-6
      2 SSH-2.0-OpenSSH_6.6.1p1-hpn14v4
      2 SSH-2.0-OpenSSH_6.6.1p1 Ubuntu-6~ubuntu12.04.1~c42.ppa1
      2 SSH-2.0-OpenSSH_6.7p1 Raspbian-5+deb8u1
      2 SSH-2.0-PuTTY_Local:_Aug__7_2013_10:15:34
      2 SSH-2.0-PuTTY_Snapshot_2015_12_12.d0e9630
      2 SSH-2.0-SecureBlackbox
      2 SSH-2.0-Sun_SSH_1.1.6
      3 SSH-2.0-OpenSSH_5.1
      3 SSH-2.0-OpenSSH_5.5p1 Debian-6+squeeze5
      3 SSH-2.0-OpenSSH_6.6
      3 SSH-2.0-OpenSSH_6.9p1 Debian-2+b1
      3 SSH-2.0-OpenSSH_6.9p1 Debian-3
      3 SSH-2.0-OpenSSH_7.1-hpn14v5
      3 SSH-2.0-OpenSSH_7.1p1 Debian-3
      3 SSH-2.0-OpenSSH_7.1p2 Ubuntu-1
      3 SSH-2.0-PuTTY_Release_0.62
      4 SSH-2.0-JSCH-0.1.52
      4 SSH-2.0-OpenSSH_4.3
      4 SSH-2.0-OpenSSH_5.2
      4 SSH-2.0-OpenSSH_5.9p1 Debian-5ubuntu1
      4 SSH-2.0-OpenSSH_6.7p1 Debian-3
      4 SSH-2.0-OpenSSH_6.9p1-hpn14v5
      4 SSH-2.0-PuTTY_Release_0.60
      4 SSH-2.0-PuTTYTray_p0.66_t027
      5 SSH-2.0-OpenSSH_6.6.1p1 Ubuntu-8
      5 SSH-2.0-OpenSSH_7.1 NetBSD_Secure_Shell-20160114
      5 SSH-2.0-PuTTY_KiTTY
      6 SSH-2.0-OpenSSH_4.6
      6 SSH-2.0-OpenSSH_7.1p1 Debian-5
      7 SSH-2.0-OpenSSH_5.9p1 Debian-5ubuntu1.4
      7 SSH-2.0-OpenSSH_6.7p1 Raspbian-5
      7 SSH-2.0-OpenSSH_6.9p1 Debian-2
      7 SSH-2.0-OpenSSH_7.0
      8 SSH-2.0-OpenSSH_6.7p1-hpn14v5
      9 SSH-2.0-OpenSSH_7.1p2 Debian-1
     10 SSH-2.0-OpenSSH_6.4
     11 SSH-2.0-OpenSSH_5.6
     11 SSH-2.0-OpenSSH_5.9
     11 SSH-2.0-OpenSSH_5.9p1 Debian-5ubuntu1.7
     11 SSH-2.0-OpenSSH_6.7p1 Debian-6
     11 SSH-2.0-PuTTY_Release_0.64
     13 SSH-2.0-OpenSSH_5.9p1 Debian-5ubuntu1.8
     13 SSH-2.0-OpenSSH_6.8
     13 SSH-2.0-PuTTY_Release_0.65
     16 SSH-2.0-libssh2_1.4.3
     16 SSH-2.0-OpenSSH_6.7p1 Ubuntu-5ubuntu1.4
     17 SSH-2.0-OpenSSH_7.1p2-hpn14v10
     17 SSH-2.0-TrileadSSH2Java_213
     18 SSH-2.0-OpenSSH_5.4
     18 SSH-2.0-OpenSSH_6.7
     19 SSH-2.0-PuTTY_Release_0.66
     20 SSH-2.0-OpenSSH_6.0p1 Debian-4+deb7u3
     26 SSH-2.0-OpenSSH_6.7p1 Ubuntu-5ubuntu1.3
     27 SSH-2.0-OpenSSH_6.6.1p1 Ubuntu-2ubuntu2
     27 SSH-2.0-OpenSSH_7.1p1-hpn14v9
     28 SSH-2.0-JuiceSSH
     30 SSH-2.0-OpenSSH_6.6.1_hpn13v11 FreeBSD-20140420
     38 SSH-2.0-PuTTY_Release_0.63
     41 SSH-2.0-OpenSSH_6.0p1 Debian-4+deb7u2
     50 SSH-2.0-OpenSSH_5.3
     53 SSH-2.0-OpenSSH_6.9p1 Ubuntu-2
     60 SSH-2.0-OpenSSH_7.1p1 Debian-6
     76 SSH-2.0-OpenSSH_6.7p1 Debian-5+deb8u1
     88 SSH-2.0-OpenSSH_6.6.1
     95 SSH-2.0-OpenSSH_6.7p1 Debian-5
    104 SSH-2.0-OpenSSH_6.9p1 Ubuntu-2ubuntu0.1
    160 SSH-2.0-OpenSSH_6.6.1p1 Ubuntu-2ubuntu2.3
    199 SSH-2.0-OpenSSH_6.6.1p1 Ubuntu-2ubuntu2.4
    255 SSH-2.0-OpenSSH_6.2
    369
    465 SSH-2.0-OpenSSH_7.1
    942 SSH-2.0-OpenSSH_6.9