Server IP : 85.214.239.14 / Your IP : 3.17.78.182 Web Server : Apache/2.4.62 (Debian) System : Linux h2886529.stratoserver.net 4.9.0 #1 SMP Tue Jan 9 19:45:01 MSK 2024 x86_64 User : www-data ( 33) PHP Version : 7.4.18 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wifcontinued,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_get_handler,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority,pcntl_async_signals,pcntl_unshare, MySQL : OFF | cURL : OFF | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : OFF Directory : /proc/2/root/proc/3/task/3/root/proc/3/root/proc/3/cwd/usr/share/doc/libnet-ip-perl/examples/ |
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#!/usr/bin/perl use Net::IP; use strict; print "+----------------------------------------------+ | addrs bits pref class mask | +----------------------------------------------+ "; my ($ip,$size,$class,$bits,$len); my $ip = new Net::IP('0'); for my $len (reverse (0..32)) { $ip->set("0.0.0.0/$len"); $size = $ip->size(); if ($size >=1048576) # 1024*1024 { $size /= 1048576; $size .= 'M'; } elsif ($size >= 1024) { $size /= 1024; $size .= 'K'; }; $len = $ip->prefixlen(); $bits = 32 - $len; if ($bits >= 24) { $class = 2**($bits-24); $class.= 'A'; } elsif ($bits >= 16) { $class = 2**($bits-16); $class.= 'B'; } elsif ($bits >= 8) { $class = 2**($bits-8); $class.= 'C'; } printf ("| %5s %6s %6s %7s %-15s |\n", $size,$bits,'/'.$len,$class,$ip->mask()); }; print "+----------------------------------------------+\n";