AS209441 Tekfen Holding Anonim Sirketi

Türkiye TEKFEN RIPE 4 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

1,024

IPv6 /48 networks

RPKI

4 valid0 no ROA

Peers and downstreams

Holder

AS name: TEKFEN
Description: Tekfen Holding Anonim Sirketi
Organisation: Tekfen Holding Anonim Sirketi
Registered in: Istanbul, Türkiye
Abuse contact: tekfenholding.licences@tekfen.com.tr
Assigned: 2019-02-10
Registered: 2019-02-11
Record last changed: 2019-02-11 13:14 UTC

5.253.220.0/24 5.253.221.0/24 5.253.222.0/24 5.253.223.0/24

Routing changes

Last 30 days

2026-10-04 06:54 UTC

New neighbour

AS64639

peer

WHOIS

aut-num:        AS209441
as-name:        TEKFEN
org:            ORG-THAS1-RIPE
admin-c:        BK5061-RIPE
tech-c:         BK5061-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         mnt-tr-tekfen1-1
created:        2019-02-11T13:14:09Z
last-modified:  2019-02-11T13:14:09Z
source:         RIPE
% 4 routing policy lines (import/export) not shown

Routing data

Updated just now

Registry record

Fetched just now from RIPE

Prefixes and neighbours come from the RIPE RIS route collectors. Data older than 5 minutes is refreshed when this page is opened.

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/asn/209441

const res = await fetch('https://ip-fd.net/api/v1/asn/209441', {
  headers: { 'X-API-Key': 'YOUR_KEY' }
});
const data = await res.json();
console.log(data);

import requests

r = requests.get('https://ip-fd.net/api/v1/asn/209441', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/209441');
curl_setopt($ch, CURLOPT_HTTPHEADER, ['X-API-Key: YOUR_KEY']);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$data = json_decode(curl_exec($ch), true);
print_r($data);

req, _ := http.NewRequest("GET", "https://ip-fd.net/api/v1/asn/209441", nil)
req.Header.Set("X-API-Key", "YOUR_KEY")
res, err := http.DefaultClient.Do(req)
if err != nil {
    log.Fatal(err)
}
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))

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