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File: README.md

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File: README.md
Role: Documentation
Content type: text/markdown
Description: Documentation
Class: PHP IP to ASN Mapping
Map IPv4 or IPv6 address to ASN
Author: By
Last change: Update README.md
Date: 5 months ago
Size: 2,556 bytes
 

 

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ip2asn

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Maps IP address to ASN. ASN to prefix. ASN to name. Both IPv4 and IPv6.

Required

  • Writeable cache directory (permissions, ownership)
  • PHP functions exec() and shell_exec() are not disabled
  • Can execute bash scripts (using crontab)
  • Package whois installed
  • Package dnsutils installed

Installing Required Packages

sudo apt install whois dnsutils

Shell Scripts

Essential component of this library are 2 shell scripts.

Script asn-cache-purge.sh is used to purge cached data. You may want to run this script hourly using crontab. (Edit parameters as needed.)

Script update-asn2name.sh is used to download database file for mapping AS numbers to their names. You may want to run this script once daily using crontab. (Edit parameters as needed.)

Usage

IP to ASN (and all related information)

use peterkahl\ip2asn\ip2asn;

$asnObj = new ip2asn('/srv/bgp'); # The argument is the cache directory.

$temp = $asnObj->getAsn('8.8.8.8'); # Accepts both IPv4 and IPv6

var_dump($temp);

/*
array(7) {
  ["as_number"]=>
  string(5) "15169"
  ["as_prefix"]=>
  string(10) "8.8.8.0/24"
  ["as_prefix_bin"]=>
  string(24) "000010000000100000001000"
  ["as_country_code"]=>
  string(2) "US"
  ["as_isp"]=>
  string(24) "GOOGLE - Google Inc., US"
  ["as_nic"]=>
  string(4) "ARIN"
  ["as_alloc"]=>
  string(0) "NA"
}
*/

AS Number(s) to List of Prefixes

use peterkahl\ip2asn\ip2asn;

$asnObj = new ip2asn('srv/bgp'); # The argument is the cache directory.

# This will get us an array of all prefixes for AS 94, 95, 96.
# The second argument defines your choice of IPv (4 or 6).
$temp = $asnObj->ArrayAsn2prefix(array(94, 95, 96), 6);

var_dump($temp);

AS Number to Name (Description)

use peterkahl\ip2asn\ip2asn;

$asnObj = new ip2asn('srv/bgp'); # The argument is the cache directory.

$temp = $asnObj->Asn2description(15169);

echo $temp; # "GOOGLE - Google Inc., US"