NetID calculates the NetID and the number of nets/host for a given IP and
Subnet-mask.

Copyright (c) 2002 Kalle Raisanen.

 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                 4772    7576  63.0% -lh5- acf2 May 17  2002 netid
[generic]                 1227    2903  42.3% -lh5- d8db May 17  2002 netid.c
[generic]                  176     281  62.6% -lh5- 7dfa May 17  2002 netid.readme
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         3 files    6175   10760  57.4%            Jun 16  2002