AS50050 NU Informationssysteme GmbH

Germany NU RIPE 10 IPv4 prefixes 0 IPv6 prefixes

IPv4 addresses

9,216

IPv6 /48 networks

RPKI

0 valid10 no ROA

Peers and downstreams

Holder

AS name: NU
Description: Metropolitan Area Network 01587 Riesa Germany
Organisation: NU Informationssysteme GmbH
Registered in: Riesa, Germany
Abuse contact: abuse@nugmbh.de
Assigned: 2009-11-02
Registered: 2009-11-03
Record last changed: 2019-09-14 16:09 UTC

109.109.0.0/21 109.109.16.0/22 109.109.20.0/22 109.109.24.0/24 109.109.25.0/24 109.109.26.0/23 109.109.28.0/23 109.109.30.0/23 109.109.8.0/21 185.165.244.0/22

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade D · 45/100

fail	Prefixes covered by valid ROAs 0 of 10 announced prefixes are RPKI valid, 10 have no ROA.	0/25
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 4 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@nugmbh.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 2019-09-14.	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/50050"><img src="https://ip-fd.net/badge/asn/50050/health.svg" alt="AS50050 network health on IP-FD.net"></a>

Markdown

[![AS50050 network health](https://ip-fd.net/badge/asn/50050/health.svg)](https://ip-fd.net/asn/50050)

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

Routing changes

Last 30 days

2026-10-04 13:36 UTC	Neighbour gone	AS209823	peer
2026-10-04 13:36 UTC	Neighbour gone	AS58299	peer
2026-10-04 13:36 UTC	Neighbour gone	AS34927	peer
2026-10-04 13:36 UTC	New neighbour	AS17639	peer
2026-10-04 13:36 UTC	Relationship changed	AS8298	upstream to peer
2026-10-04 13:36 UTC	Relationship changed	AS8218	upstream to peer
2026-10-04 13:36 UTC	Relationship changed	AS7713	upstream to peer
2026-10-04 13:36 UTC	Relationship changed	AS6797	upstream to peer
2026-10-04 13:36 UTC	Relationship changed	AS6204	upstream to peer
2026-10-04 13:36 UTC	Relationship changed	AS50673	upstream to peer
2026-10-04 13:36 UTC	Relationship changed	AS37468	upstream to peer
2026-10-04 13:36 UTC	Relationship changed	AS37100	upstream to peer
2026-10-04 13:36 UTC	Relationship changed	AS34019	upstream to peer
2026-10-04 13:36 UTC	Relationship changed	AS29075	upstream to peer
2026-10-04 13:36 UTC	Relationship changed	AS264409	upstream to peer
2026-10-04 13:36 UTC	Relationship changed	AS263444	upstream to peer
2026-10-04 13:36 UTC	Relationship changed	AS25091	upstream to peer
2026-10-04 13:36 UTC	Relationship changed	AS24961	upstream to peer
2026-10-04 13:36 UTC	Relationship changed	AS209090	upstream to peer
2026-10-04 13:36 UTC	Relationship changed	AS20485	upstream to peer
2026-10-04 13:36 UTC	Relationship changed	AS14840	upstream to peer

WHOIS

aut-num:        AS50050
as-name:        NU
descr:          Metropolitan Area Network
descr:          01587 Riesa
descr:          Germany
org:            ORG-NIG64-RIPE
admin-c:        NU152-RIPE
tech-c:         NU152-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         NU-RIPE-MNT
created:        2009-11-03T13:36:47Z
last-modified:  2019-09-14T16:09:12Z
source:         RIPE
% 8 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/50050

const res = await fetch('https://ip-fd.net/api/v1/asn/50050', {
  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/50050', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/50050');
curl_setopt($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/50050", 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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