Freesco, NND, CDN, EOS

Co oznacza cosik takiego w logach ciągle to mam i nie wiem co to jest

----- cat /etc/dhcpd.leases -----

lease 192.168.1.4 {
starts 5 2003/04/18 18:00:34;
ends 5 2003/04/25 18:00:34;
hardware ethernet 00:e0:7d:77:6e:71;
uid 01:00:e0:7d:77:6e:71;
client-hostname "koziol";
}
lease 192.168.1.3 {
starts 2 2003/04/01 10:48:11;
ends 2 2003/04/08 10:48:11;
hardware ethernet 00:e0:4c:88:98:4b;
uid 01:00:e0:4c:88:98:4b;
client-hostname "LBR2";
}
lease 192.168.1.2 {
starts 2 2003/04/01 10:11:42;
ends 2 2003/04/08 10:11:42;
hardware ethernet 00:e0:4c:88:97:a0;
uid 01:00:e0:4c:88:97:a0;
client-hostname "LBR2";
}