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Full Discussion: Match a specific IP range
Top Forums Shell Programming and Scripting Match a specific IP range Post 302215337 by radoulov on Wednesday 16th of July 2008 05:59:06 AM
Old 07-16-2008
Something like this:

Code:
egrep '10\.10\.2\.([1-9]|(1[0-9]|2[0-2])) ' test_hosts

 

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ethers(4)						     Kernel Interfaces Manual							 ethers(4)

NAME
ethers - Database that maps Ethernet addresses to hostnames DESCRIPTION
The /etc/ethers file is used in conjunction with the reverse address resolution protocol daemon (rarpd) to map Ethernet addresses to host- names. It contains information about the known (48-bit) Ethernet addresses of hosts on the Internet. For each host on an Ethernet, a single line should be present in the file with the following information: Ethernet-address official-host-name Items are separated by one or more spaces or tabs. A number sign (#) indicates the beginning of a comment that extends to the end of line. The standard form for Ethernet addresses is: x:x:x:x:x:x The x is a hexadecimal number between 0 and ff, representing 1 byte. The address bytes are always in network order. Hostnames can contain any printable character other than a space, tab, newline, or number sign (#). Hostnames in the /etc/ethers file should correspond to the hostnames in the /etc/hosts file or to those provided by the name service. EXAMPLES
The following is a sample ethers file: 08:00:20:01:e5:1c host1 # Comments go here 08:00:20:01:d0:4c host2 # Comments go here 08:00:20:01:e0:1d host3 # Comments go here 08:00:20:00:c2:4e host4 # Comments go here RELATED INFORMATION
Commands: rarpd(8) Files: hosts(4), packetfilter(7) Routines: ethers(3) delim off ethers(4)
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