the package you want is ipsc here's what apt had to say about it. Package: ipsc Priority: optional Section: net Installed-Size: 88 Maintainer: Juan Alvarez <jalvarez at fluidsignal.com> Architecture: i386 Version: 0.4.2-3 Depends: libc6 (>= 2.2.4-4) Suggests: gipsc, prips Filename: pool/main/i/ipsc/ipsc_0.4.2-3_i386.deb Size: 12728 MD5sum: e929c912327042f294f85b321cf2270d Description: IP Subnet Calculator for console. The IP Subnet Calculator is a tool that allows network administrators to make calculations that will assist in subnetting a network. You give the network class and subnet bits and you get back the maximum number of subnets, maximum number of hosts per subnet, a bimap showing the breakdown of network bits, subnet bits, and host bits, the decimal and hexadecimal class netmask, the decimal and hexadecimal subnet mask and lists subnets and host information. CIDR support and reverse engineer the network information for a particular interface (e.g. eth0, ppp0). hth -- Shaun Oliver "Before I knew the best part of my life had come, it had gone." EMAIL: shaun_oliver at optusnet.com.au ICQ: 76958435 YAHOO: blindman01_2000 MSN: blindman_2001 at hotmail.com AIM: captain nemo 200