Frequently Asked Questions
How often is the IP-Country-ISP Database updated?
The database is updated every month. About 1% of the database changes every
month.
Are the monthly update a complete set of all entries or only a part of all IP-Addresses ?
The monthly update are a complete set of all entrie.
How do you dispatch the montly updates? By e-mail, regular mail,downloadable?
Downloadable.
How accurate is your IP-Country-ISP Database?
The database is about 98% accurate.
What is the database format?
The database format is known as Comma Separated Values (CSV). All fields
are separated by a comma and each individual line is a record by itself.
Would it be possible to receive the database as a mysql dump file instead
of the CSV file?
You can receive the database as a mysql dump file instead of the CSV file.
What is the size of the database?
The March 2005 CSV file is 10.38 Megabytes.
What is the definition of each column in the table?
| Field |
Data Type |
Field Description |
| Start IP Number |
unsigned int |
First IP in netblock, IP
Number |
| End IP Number |
unsigned int |
Last IP in netblock, IP Number |
| Country Code |
char(2) |
ISO 3166 Country
Code |
| Country Name |
varchar(50) |
The name of the country |
| ISP NAME |
varchar(255) |
Internet Service Provider or company's name |
How do I create and import the database into MySQL database?
-
Create and connect to 'ip2geo' database
mysql> CREATE DATABASE ip2geo
mysql> CONNECT ip2geo
-
Create 'ipisp' table
mysql> CREATE TABLE IPISP
--> (
--> ipFROM INT(10) UNSIGNED ZEROFILL NOT NULL DEFAULT '0000000000',
--> ipTO INT(10) UNSIGNED ZEROFILL NOT NULL DEFAULT '0000000000',
--> countryCode CHAR(2) NOT NULL,
--> countryName VARCHAR(50) NOT NULL,
--> ipISP VARCHAR(255) NOT NULL,
--> PRIMARY KEY(ipFROM, ipTO)
--> );
-
Import the 'IPISP.csv' database into table 'ipisp'
mysql> LOAD DATA INFILE "<path>/IPISP.csv" INTO TABLE IPISP FIELDS TERMINATED BY ',' ENCLOSED BY '"' LINES TERMINATED BY '\n';
How do I convert a IP Address to a IP Number?
IP address (IPV4) is divided into 4 sub-blocks. Each sub-block has a different
weight number each powered by 256.
Beginning IP number and Ending IP Number are calcuated as follows:
IP Number = 16777216*w + 65536*x + 256*y + z
where IP Address = w.x.y.z
PHP Function To Convert IP Address to IP Number
-----------------------------------------------
function Dot2LongIP ($IPaddr)
{
if ($IPaddr == "") {
return 0;
} else {
$ips = split ("\.", "$IPaddr");
return ($ips[3] + $ips[2] * 256 + $ips[1] * 65536 + $ips[0]
*16777216); }
}
ASP Function To Convert IP Address to IP Number
-----------------------------------------------
Function Dot2LongIP (ByVal DottedIP)
Dim i, pos
Dim PrevPos, num
If DottedIP = "" Then
Dot2LongIP = 0
Else
For i = 1 To 4
pos = InStr(PrevPos + 1, DottedIP, ".", 1)
If i = 4 Then
pos = Len(DottedIP) + 1
End If
num = Int(Mid(DottedIP, PrevPos + 1, pos - PrevPos - 1))
PrevPos = pos
Dot2LongIP = ((num Mod 256) * (256 ^ (4 - i))) + Dot2LongIP
Next
End If
End Function
The IP address is available from the web server variable "REMOTE_ADDR"?
The IP address is available from the web server variable "REMOTE_ADDR".
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