AS203924 buerodata AG

Germany buerodata RIPE 11 IPv4 prefixes 4 IPv6 prefixes

IPv4 addresses

3,328

IPv6 /48 networks

1,048,576

RPKI

15 valid0 no ROA

Peers and downstreams

Holder

AS name: buerodata
Description: buerodata AG
Organisation: buerodata AG
Registered in: Stadtlohn, Germany
Abuse contact: nmc@buerodata.de
Assigned: 2015-10-01
Registered: 2015-10-02
Record last changed: 2018-09-04 11:40 UTC

185.113.144.0/24 185.113.145.0/24 185.113.146.0/24 185.113.147.0/24 185.146.36.0/24 185.146.37.0/24 185.216.120.0/24 185.216.121.0/24 193.105.0.0/24 85.117.252.0/23 85.117.254.0/23

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 80/100

pass	Prefixes covered by valid ROAs 15 of 15 announced prefixes are RPKI valid.	25/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 4 IPv6 prefixes.	15/15
partly	More than one upstream 1 upstream seen in BGP.	5/10
pass	Working abuse contact nmc@buerodata.de 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
fail	Registry record maintained Last changed 2018-09-04.	0/5

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/203924"><img src="https://ip-fd.net/badge/asn/203924/health.svg" alt="AS203924 network health on IP-FD.net"></a>

Markdown

[![AS203924 network health](https://ip-fd.net/badge/asn/203924/health.svg)](https://ip-fd.net/asn/203924)

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

Routing changes

Last 30 days

2026-10-04 14:10 UTC	Relationship changed	AS3214	upstream to peer
2026-10-04 14:10 UTC	Relationship changed	AS24961	upstream to peer

WHOIS

aut-num:        AS203924
as-name:        buerodata
org:            ORG-BA807-RIPE
admin-c:        BR3636-RIPE
tech-c:         BR3636-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         de-buerodata-1-mnt
created:        2015-10-02T14:25:48Z
last-modified:  2018-09-04T11:40:24Z
source:         RIPE
% 10 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/203924

const res = await fetch('https://ip-fd.net/api/v1/asn/203924', {
  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/203924', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/203924');
curl_setopt($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/203924", 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.

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