AS211851 SECKIN CAN CELENK trading as Web9 Bilisim ve Yazilim Hizmetleri

Türkiye WEB9 RIPE 3 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

768

IPv6 /48 networks

RPKI

3 valid0 no ROA

Peers and downstreams

Holder

AS name: WEB9
Description: SECKIN CAN CELENK trading as Web9 Bilisim ve Yazilim Hizmetleri
Organisation: SECKIN CAN CELENK trading as Web9 Bilisim ve Yazilim Hizmetleri
Registered in: Ankara, Türkiye
Abuse contact: abuse@w9.com.tr
Assigned: 2025-03-05
Registered: 2025-03-06
Record last changed: 2026-09-04 21:16 UTC

130.78.187.0/24 37.221.76.0/24 87.76.159.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 75/100

pass	Prefixes covered by valid ROAs 3 of 3 announced prefixes are RPKI valid.	25/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
fail	Announces IPv6 No IPv6 prefixes are announced.	0/15
pass	More than one upstream 2 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@w9.com.tr is published.	15/15
fail	Publishes a geofeed No geofeed found. Without one, location databases have to guess.	0/10
pass	No prefixes smaller than /24 or /48 All prefixes are /24 (IPv4) or /48 (IPv6) or larger.	10/10
pass	Registry record maintained Last changed 2026-09-04.	5/5

Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.

Show this on your website

HTML

<a href="https://ip-fd.net/asn/211851"><img src="https://ip-fd.net/badge/asn/211851/health.svg" alt="AS211851 network health on IP-FD.net"></a>

Markdown

[![AS211851 network health](https://ip-fd.net/badge/asn/211851/health.svg)](https://ip-fd.net/asn/211851)

Use rpki.svg instead of health.svg for the RPKI badge.

Routing changes

Last 30 days

2026-10-05 04:59 UTC	Neighbour gone	AS213243	upstream
2026-10-05 04:59 UTC	New neighbour	AS218802	upstream
2026-10-05 04:59 UTC	Prefix gone	217.18.209.0/24
2026-10-05 04:59 UTC	New prefix	130.78.187.0/24

WHOIS

aut-num:        AS211851
as-name:        WEB9
remarks:        ============================================================
remarks:        WEB9 YAZILIM BILISIM HIZMETLERI
remarks:        Autonomous System Number: AS211851
remarks:        ============================================================
remarks:        +----------------------------------------------------------+
remarks:        | NETWORK INFORMATION |
remarks:        +----------------------------------------------------------+
remarks:        | Website : https://w9.com.tr/ |
remarks:        | ASN : AS211851 |
remarks:        | AS Name : WEB9-YAZILIM-BILISIM-HIZMETLERI |
remarks:        +----------------------------------------------------------+
remarks:        +----------------------------------------------------------+
remarks:        | FILTERING INFORMATION |
remarks:        +----------------------------------------------------------+
remarks:        | Customer AS-SET: AS211851:AS-CUSTOMERS |
remarks:        | |
remarks:        | Prefix and AS-SET filters should be generated from RIPE |
remarks:        | IRR data. |
remarks:        +----------------------------------------------------------+
org:            ORG-WA796-RIPE
sponsoring-org: ORG-LCTL2-RIPE
admin-c:        WA2550-RIPE
tech-c:         WA2550-RIPE
remarks:        ========= ANKARA ===========
remarks:        ========= GERMANY ===========
remarks:        ========= DOWNSTREAM===========
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         WEB9-MNT
created:        2025-03-06T10:57:04Z
last-modified:  2026-09-04T21:16:48Z
source:         RIPE
% 5 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/211851

const res = await fetch('https://ip-fd.net/api/v1/asn/211851', {
  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/211851', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/211851');
curl_setopt($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/211851", 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))

Works without a key at a lower rate. Get a free key.

AS218802	Northshield LLC NORTHSHIELD
AS219122	EXPONET VERI MERKEZI HIZMETLERI SAN. VE TIC. LTD. STI. EXPONET