AS211804 Ozan Yildiz trading as Sistemdc webhosting and server services

Türkiye SISTEMDC 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: SISTEMDC
Description: Sistemdc - https://www.sistemdc.com
Organisation: Ozan Yildiz trading as Sistemdc webhosting and server services
Registered in: Bursa, Türkiye
Abuse contact: abuse@sistemdc.com
Assigned: 2021-02-14
Registered: 2021-02-15
Record last changed: 2026-09-27 05:32 UTC

185.250.240.0/24 185.250.241.0/24 185.250.242.0/24 185.250.243.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 75/100

pass	Prefixes covered by valid ROAs 4 of 4 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@sistemdc.com 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 2026-09-27.	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/211804"><img src="https://ip-fd.net/badge/asn/211804/health.svg" alt="AS211804 network health on IP-FD.net"></a>

Markdown

[![AS211804 network health](https://ip-fd.net/badge/asn/211804/health.svg)](https://ip-fd.net/asn/211804)

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

Routing changes

Last 30 days

2026-10-05 19:40 UTC	New neighbour	AS62425	upstream
2026-10-05 19:40 UTC	Prefix gone	5.56.30.0/24
2026-10-05 19:40 UTC	New prefix	185.250.241.0/24

WHOIS

aut-num:        AS211804
as-name:        SISTEMDC
descr:          Sistemdc - https://www.sistemdc.com
org:            ORG-OYTA1-RIPE
remarks:        --- Upstream 1: Exponet ---
remarks:        --- Upstream 2: KuzeyDC ---
admin-c:        OY388-RIPE
tech-c:         OY388-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         tr-sistemdc-1-mnt
created:        2021-02-15T15:29:10Z
last-modified:  2026-09-27T05:32:46Z
source:         RIPE
% 4 routing policy lines (import/export) not shown

Routing data

Updated 9 h ago

Registry record

Fetched 9 h ago 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/211804

const res = await fetch('https://ip-fd.net/api/v1/asn/211804', {
  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/211804', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/211804');
curl_setopt($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/211804", 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.

AS62425	Mailbox Internet Hizmetleri Ltd. Sti. KuzeyDC
AS219122	EXPONET VERI MERKEZI HIZMETLERI SAN. VE TIC. LTD. STI. EXPONET