forum.lissyara.su

Код: Выделить всё

192.168.1.1
192.168.1.2
192.168.1.3
192.168.1.4
192.168.1.35
192.168.1.68
192.168.201.1
192.168.201.2
192.168.201.3
192.168.201.4

Код: Выделить всё

#!/bin/sh

wget -q -O - http://noc.ix.net.ua/ua-list.txt | sed 's/\.0$/.0\/24/g' > /etc/ua-list.txt

for SUBNET in `ipfw table 0 list | cut -f 1 -d " " | diff /etc/ua-list.txt - | grep -E "([0-9]{1,3}\.){3}[0-9]{1,3}" | grep ">" | cut -f 2 -d " " `; do
ipfw -q table 0 delete $SUBNET
done

for SUBNET in `ipfw table 0 list | cut -f 1 -d " " | diff /etc/ua-list.txt - | grep -E "([0-9]{1,3}\.){3}[0-9]{1,3}" | grep "<" | cut -f 2 -d " " `; do
ipfw -q table 0 add $SUBNET
done

Код: Выделить всё

192.168.1.0/29
192.168.1.35/32
192.168.1.68/32
192.168.201.0/29

Код: Выделить всё

> ipcalc 10.0.0.0/8 -s 26 160 500 2000
Address:   10.0.0.0             00001010. 00000000.00000000.00000000
Netmask:   255.0.0.0 = 8        11111111. 00000000.00000000.00000000
Wildcard:  0.255.255.255        00000000. 11111111.11111111.11111111
=>
Network:   10.0.0.0/8           00001010. 00000000.00000000.00000000
HostMin:   10.0.0.1             00001010. 00000000.00000000.00000001
HostMax:   10.255.255.254       00001010. 11111111.11111111.11111110
Broadcast: 10.255.255.255       00001010. 11111111.11111111.11111111
Hosts/Net: 16777214              Class A, Private Internet

1. Requested size: 26 hosts
Netmask:   255.255.255.224 = 27 11111111.11111111.11111111.111 00000
Network:   10.0.11.0/27         00001010.00000000.00001011.000 00000
HostMin:   10.0.11.1            00001010.00000000.00001011.000 00001
HostMax:   10.0.11.30           00001010.00000000.00001011.000 11110
Broadcast: 10.0.11.31           00001010.00000000.00001011.000 11111
Hosts/Net: 30                    Class A, Private Internet

2. Requested size: 160 hosts
Netmask:   255.255.255.0 = 24   11111111.11111111.11111111. 00000000
Network:   10.0.10.0/24         00001010.00000000.00001010. 00000000
HostMin:   10.0.10.1            00001010.00000000.00001010. 00000001
HostMax:   10.0.10.254          00001010.00000000.00001010. 11111110
Broadcast: 10.0.10.255          00001010.00000000.00001010. 11111111
Hosts/Net: 254                   Class A, Private Internet

3. Requested size: 500 hosts
Netmask:   255.255.254.0 = 23   11111111.11111111.1111111 0.00000000
Network:   10.0.8.0/23          00001010.00000000.0000100 0.00000000
HostMin:   10.0.8.1             00001010.00000000.0000100 0.00000001
HostMax:   10.0.9.254           00001010.00000000.0000100 1.11111110
Broadcast: 10.0.9.255           00001010.00000000.0000100 1.11111111
Hosts/Net: 510                   Class A, Private Internet

4. Requested size: 2000 hosts
Netmask:   255.255.248.0 = 21   11111111.11111111.11111 000.00000000
Network:   10.0.0.0/21          00001010.00000000.00000 000.00000000
HostMin:   10.0.0.1             00001010.00000000.00000 000.00000001
HostMax:   10.0.7.254           00001010.00000000.00000 111.11111110
Broadcast: 10.0.7.255           00001010.00000000.00000 111.11111111
Hosts/Net: 2046                  Class A, Private Internet

Needed size:  2848 addresses.
Used network: 10.0.0.0/20
Unused:
10.0.11.32/27
10.0.11.64/26
10.0.11.128/25
10.0.12.0/22
10.0.16.0/20
10.0.32.0/19
10.0.64.0/18
10.0.128.0/17
10.1.0.0/16
10.2.0.0/15
10.4.0.0/14
10.8.0.0/13
10.16.0.0/12
10.32.0.0/11
10.64.0.0/10
10.128.0.0/9
>

Код: Выделить всё

$sql = 'SET @i:=0';
$res = my_query($sql);

$sql = 'SELECT INET_NTOA(ip), ip-@i, @i:=ip FROM billing_ips WHERE segment_id=22 ORDER BY ip ASC LIMIT 40';

$res = my_query($sql);
//res_mysql2table($res); die();

class IpRange
{
	var $firstIp = null;
	var $lastIp  = null;
	var $counts  = null;
	var $subnet  = null;
	var $maskIp  = null;
	
	function calcLastIp()
	{
		$this->lastIp = long2ip(sprintf('%u', ip2long($this->firstIp) + $this->counts));
		$this->calcMask();
	}
	
	function calcMask()
	{
		if ( $this->counts )
		{
			$maskIp = $ip1 = sprintf('%u', ip2long($this->firstIp));
			$ip2 = sprintf('%u', ip2long($this->lastIp));
			
			if ( strlen($ip1) === 10 ) $ip1 = substr($ip1, 1);
			if ( strlen($ip2) === 10 ) $ip2 = substr($ip2, 1);
			
			$ip1 = (int) $ip1;
			$ip2 = (int) $ip2;
			
			$mask = $ip1 ^ $ip2;
			$mask = decbin($mask);
			
			if ( !$mask ) $mask = '';
			
			if ( function_exists('bcdiv') )
			{
				$maskIp = bcdiv($maskIp, pow(2, strlen($mask)));
				$maskIp = bcmul($maskIp, pow(2, strlen($mask)));
				$this->maskIp = long2ip($maskIp);
			}
			
			$this->subnet = 32 - strlen($mask);
		}
		else 
		{
			$this->subnet = 32;
		}
	}
}

$range = null;
$nets  = array();

$previp = null;
$cnt = 0;

$spread = 0;

while ( $row = mysql_fetch_row($res) )
{
	list($ip, $spread) = $row;
	
	if ( @++$k > 10000 ) die('Бесконечный цикл');
	
	if ( $spread === '1' )
	{
		++ $cnt;
	}
	elseif ( !isset($previp) )
	{
		$previp = $ip;
		$cnt    = 0;
	}
	else
	{
		$range = new IpRange();
		$range->firstIp = $previp;
		$range->counts  = $cnt;
		$range->calcLastIp();
		$nets[] = $range;
		
		$previp = $ip;
		$cnt    = 0;
	}
}

if ( $spread === '1' )
{
	$range          = new IpRange();
	$range->firstIp = $previp;
	$range->counts  = $cnt;
	$range->calcLastIp();
	$nets[] = $range;
}

echo '<pre>';
print_r($nets);