AS35675 Wissenschaftsladen Dortmund e.V.

Germany DURCHDIELUFT-AS RIPE 2 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

512

IPv6 /48 networks

RPKI

1 valid2 no ROA

Peers and downstreams

Holder

AS name: DURCHDIELUFT-AS
Description: Wissenschaftsladen Dortmund e.V.
Organisation: Wissenschaftsladen Dortmund e.V.
Registered in: Dortmund, Germany
Abuse contact: abuse@xs4free.net
Assigned: 2005-10-02
Registered: 2005-10-03
Record last changed: 2025-09-03 11:29 UTC

193.43.220.0/24 193.43.221.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 73/100

partly	Prefixes covered by valid ROAs 1 of 3 announced prefixes are RPKI valid, 2 have no ROA.	8/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 1 IPv6 prefix.	15/15
pass	More than one upstream 2 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@xs4free.net 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 2025-09-03.	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/35675"><img src="https://ip-fd.net/badge/asn/35675/health.svg" alt="AS35675 network health on IP-FD.net"></a>

Markdown

[![AS35675 network health](https://ip-fd.net/badge/asn/35675/health.svg)](https://ip-fd.net/asn/35675)

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

Routing changes

Last 30 days

2026-10-03 21:42 UTC

Relationship changed

AS31371

upstream to peer

WHOIS

aut-num:        AS35675
as-name:        DURCHDIELUFT-AS
remarks:        Dortmunder Urchdieluft Netzwerk
org:            ORG-WA21-RIPE
remarks:        -------------------------------------------
remarks:        WiLaDo
remarks:        -------------------------------------------
remarks:        LWLcom
remarks:        -------------------------------------------
remarks:        David
remarks:        -------------------------------------------
admin-c:        JJ36-RIPE
admin-c:        FAUL-RIPE
tech-c:         JJ36-RIPE
tech-c:         FAUL-RIPE
status:         ASSIGNED
mnt-by:         FREE-MNT
mnt-by:         FAUL-MNT
mnt-by:         FFDO-MNT
mnt-by:         RIPE-NCC-END-MNT
created:        2005-10-03T11:50:02Z
last-modified:  2025-09-03T11:29:12Z
source:         RIPE
sponsoring-org: ORG-WCG4-RIPE
% 6 routing policy lines (import/export) not shown

Routing data

Updated 1 days ago

Registry record

Fetched 1 days 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/35675

const res = await fetch('https://ip-fd.net/api/v1/asn/35675', {
  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/35675', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/35675');
curl_setopt($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/35675", 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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