AS213512 Lorenz Knak trading as IT-adjutor GmbH

Germany Lorenz-Knak RIPE 1 IPv4 prefix 2 IPv6 prefixes

IPv4 addresses

256

IPv6 /48 networks

RPKI

3 valid0 no ROA

Peers and downstreams

Holder

AS name: Lorenz-Knak
Description: Lorenz-Knak
Organisation: Lorenz Knak trading as IT-adjutor GmbH
Abuse contact: abuse@it-adjutor.de
Assigned: 2025-01-26
Registered: 2025-01-27
Record last changed: 2025-05-19 12:33 UTC

5.175.142.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade A · 100/100

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
pass	Announces IPv6 2 IPv6 prefixes.	15/15
pass	More than one upstream 2 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@it-adjutor.de is published.	15/15
pass	Publishes a geofeed A geofeed (RFC 8805) tells where the address space is used.	10/10
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 2025-05-19.	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/213512"><img src="https://ip-fd.net/badge/asn/213512/health.svg" alt="AS213512 network health on IP-FD.net"></a>

Markdown

[![AS213512 network health](https://ip-fd.net/badge/asn/213512/health.svg)](https://ip-fd.net/asn/213512)

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

Routing changes

Last 30 days

2026-10-04 14:54 UTC

Prefix gone

2a14:47c0:fe04::/48

WHOIS

aut-num:        AS213512
as-name:        Lorenz-Knak
descr:          Lorenz-Knak
org:            ORG-LKTA4-RIPE
remarks:        - IT-adjutor -
admin-c:        IA7280-RIPE
tech-c:         IA7280-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         IT-adjutor-MNT
created:        2025-01-27T15:50:15Z
last-modified:  2025-05-19T12:33:39Z
source:         RIPE
% 3 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/213512

const res = await fetch('https://ip-fd.net/api/v1/asn/213512', {
  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/213512', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/213512');
curl_setopt($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/213512", 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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