AS196819 DEMANDO GmbH

Germany TWK-KL-AS RIPE 10 IPv4 prefixes 2 IPv6 prefixes

IPv4 addresses

5,120

IPv6 /48 networks

65,537

RPKI

0 valid12 no ROA

Peers and downstreams

Holder

AS name: TWK-KL-AS
Description: DEMANDO GmbH
Organisation: DEMANDO GmbH
Registered in: Kaiserslautern, Germany
Abuse contact: markus.ryll@demando.de
Assigned: 2009-07-08
Registered: 2009-07-09
Record last changed: 2023-08-10 13:58 UTC

193.57.27.0/24 194.55.1.0/24 217.73.48.0/22 217.73.52.0/22 31.13.168.0/23 31.13.170.0/23 31.13.172.0/23 31.13.174.0/23 91.213.56.0/24 91.235.204.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 60/100

fail	Prefixes covered by valid ROAs 0 of 12 announced prefixes are RPKI valid, 12 have no ROA.	0/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 2 IPv6 prefixes.	15/15
pass	More than one upstream 3 upstreams seen in BGP.	10/10
pass	Working abuse contact markus.ryll@demando.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 2023-08-10.	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/196819"><img src="https://ip-fd.net/badge/asn/196819/health.svg" alt="AS196819 network health on IP-FD.net"></a>

Markdown

[![AS196819 network health](https://ip-fd.net/badge/asn/196819/health.svg)](https://ip-fd.net/asn/196819)

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

Routing changes

Last 30 days

2026-10-04 11:38 UTC

Relationship changed

AS24961

upstream to peer

WHOIS

aut-num:        AS196819
as-name:        TWK-KL-AS
org:            ORG-TTWK2-RIPE
remarks:        +-----------------+
remarks:        |UPSTREAM|
remarks:        +-----------------+
remarks:        
remarks:        INEXIO
remarks:        1und1VERSATEL
remarks:        ARELION / TELIA
remarks:        +-----------------+
remarks:        |Downstream|
remarks:        K-NET
admin-c:        PG5951-RIPE
remarks:        Systemhaus-Saarland
admin-c:        MR9863-RIPE
tech-c:         PG5951-RIPE
tech-c:         MR9863-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         TWK-MNT
created:        2009-07-09T12:57:56Z
last-modified:  2023-08-10T13:58:15Z
source:         RIPE
% 15 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/196819

const res = await fetch('https://ip-fd.net/api/v1/asn/196819', {
  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/196819', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/196819');
curl_setopt($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/196819", 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.

AS1299	Arelion Sweden AB TWELVE99
AS33891	Core-Backbone GmbH CORE-BACKBONE
AS42652	inexio Informationstechnologie und Telekommunikation Gmbh DELUNET