AS51531 DE-CIX Management GmbH

Germany DECIX-MGMT-AS RIPE 7 IPv4 prefixes 4 IPv6 prefixes

IPv4 addresses

6,912

IPv6 /48 networks

57,345

RPKI

11 valid0 no ROA

Peers and downstreams

Holder

AS name: DECIX-MGMT-AS
Description: DE-CIX Management GmbH DE
Organisation: DE-CIX Management GmbH
Registered in: Köln, Germany
Abuse contact: abuse@de-cix.net
Assigned: 2010-09-20
Registered: 2010-09-21
Record last changed: 2019-12-04 11:19 UTC

185.70.20.0/22 45.129.80.0/22 45.159.240.0/22 46.31.120.0/21 81.89.89.0/24 81.89.90.0/23 81.89.92.0/22

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AS559	SWITCH Switch
AS680	Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. DFN
AS835	GoCodeIT Inc GOCODEIT-EDGE
AS971	PureVoltage Hosting Inc. PUREVOLTAGE
AS1764	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH NEXTLAYER-AS
AS1828	Unitas Global UNITAS
AS3212	Telemach Slovenija d.o.o. TELEMACH
AS3214	xTom GmbH XTOM
AS3320	Deutsche Telekom AG DTAG
AS4230	CLARO S.A. AS4230
AS5405	Inter.link GmbH INTERDOTLINK
AS6057	Administracion Nacional de Telecomunicaciones AS6057
AS6204	TMRC GROUP SRL ZET-NET
AS6424	EDGOO NETWORKS UNIPESSOAL LDA EDGOO
AS6797	GlobalConnect AB GLOBALCONNECT-NET
AS7195	EDGEUNO S.A.S AS7195
AS8218	Zayo Infrastructure France SA NEO-ASN
AS8298	IPng Networks GmbH IPNG
AS8529	Zain Omantel International FZ-LLC OMANTEL-AS
AS8888	xTom Pty Ltd XTOM
AS12779	IT.Gate S.p.A. ITGATE
AS13030	Init7 (Switzerland) Ltd. INIT7
AS13237	euNetworks GmbH LAMBDANET-AS
AS14630	Invesco Group Services, Inc. INVESCO
AS14840	BR.Digital Telecom AS14840
AS14907	Wikimedia Foundation Inc. WIKIMEDIA
AS20485	Joint Stock Company TransTeleCom TRANSTELECOM
AS20932	Services Industriels de Geneve SIG-ST
AS22652	Fibrenoire-Internet FIBRENOIRE-INTERNET
AS24482	SG.GS SGGS-AS-AP
AS24961	WIIT AG MYLOC-AS
AS25091	IP-Max SA IP-Max
AS25160	Vorboss Limited VORBOSS
AS25220	equada network GmbH GLOBALNOC-AS
AS28917	Fiord Networks, UAB Fiord-AS
AS29075	IELO-LIAZO SERVICES SAS IELO
AS29140	Hostserver GmbH HOSTSERVER-AS
AS29632	Netassist International EOOD NASSIST-AS
AS29691	Nine Internet Solutions AG NINE
AS31510	Innsbrucker Kommunalbetriebe AG IKB-AS
AS34019	Hivane Association HIVANE
AS34177	Celeste SAS CELESTE-AS
AS34288	Kantonsschule Zug AS34288
AS34549	meerfarbig GmbH & Co. KG MEER-AS
AS34800	Securebit AG SBAG
AS34927	iFog GmbH iFog-GmbH
AS35280	F5 Networks SARL F5
AS35360	Gargunet GARGUNET
AS35598	INETCOM CARRIER LLC INETCOM
AS35625	Eurofiber France SAS EUROFIBER-FRANCE
AS35710	weber.digital GmbH WEBERCLOUD
AS36236	NetActuate, Inc NETACTUATE
AS37100	SEACOM Limited
AS37282	Main one Cable Company Nigeria Limited
AS37468	Angola Cables
AS37680	Cool Ideas Service Provider (Pty) Ltd
AS37721	Virtual Technologies & Solutions
AS39249	Netassist International EOOD KICUA-AS
AS39351	31173 Services AB ESAB-AS
AS41327	Fiber Telecom S.p.A. FIBERTELECOM-AS
AS42541	Fiberby ApS FIBERBY
AS44901	Belcloud LTD belcloud
AS45489	Sri Lanka Telecom PLC, GLobal Peering SLT-GLOBAL
AS47147	Anexia Cloud Solutions GmbH AS-ANX
AS47692	Nessus GmbH NESSUS
AS48362	Tkswf TKSWF-AS
AS48919	UACITY Ltd. UA-CITY-AS
AS49544	i3D.net B.V i3Dnet
AS51184	Fonira Telekom GmbH FONIRA
AS51185	MainStreaming SpA MAINSTREAMING-AS
AS56911	Warian S.R.L. ASN-WARIAN
AS56987	ABACLOUDA SAS AS-ABACLOUDA
AS57777	Jeroen Massar MASSAR
AS58057	Securebit AG SECUREBIT
AS58299	Openfactory GmbH OPENFACTORY-AS
AS60171	AFR-IX TELECOM S.A. AFRIX-AS
AS60707	Kapteyan Bilisim Teknolojileri Sanayi ve Ticaret A.S KAPTEYANAS
AS61573	IP TELECOM AS61573
AS64475	Freifunk Frankfurt am Main e.V. FREIFUNK-FRANKFURT
AS142271	EWS DS Networks Inc DOUBLESQUARE-AS-AP
AS198249	Ops One AG OPSONE
AS199524	G-Core Labs S.A. GCORE
AS199938	Netzwerge GmbH NETZWERGE
AS205103	Telegraph42 Management GmbH TELEGRAPH-AS
AS205112	PHILUNET GmbH PHILUNET
AS206356	Freifunk Essen e.V. Freifunk-Essen
AS208972	GIBIRNET ILETISIM HIZMETLERI SANAYI VE TICARET LIMITED SIRKETI gibirnet-tr
AS209823	Enki Multimedia EURL ENKI-AS
AS212024	Risson RISSON
AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD level86
AS213151	Christian Elsen CHRISELSEN
AS213241	TECHIT.BE SRL TECHIT
AS264479	Turbozone Internet AS264479

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 85/100

pass	Prefixes covered by valid ROAs 11 of 11 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
pass	More than one upstream 4 upstreams seen in BGP.	10/10
pass	Working abuse contact abuse@de-cix.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
fail	Registry record maintained Last changed 2019-12-04.	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/51531"><img src="https://ip-fd.net/badge/asn/51531/health.svg" alt="AS51531 network health on IP-FD.net"></a>

Markdown

[![AS51531 network health](https://ip-fd.net/badge/asn/51531/health.svg)](https://ip-fd.net/asn/51531)

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

Routing changes

Last 30 days

2026-10-06 04:31 UTC	Neighbour gone	AS205530	downstream
2026-10-06 04:31 UTC	Neighbour gone	AS56662	peer
2026-10-06 04:31 UTC	Neighbour gone	AS52320	peer
2026-10-06 04:31 UTC	Neighbour gone	AS31027	peer
2026-10-06 04:31 UTC	Neighbour gone	AS17639	peer
2026-10-06 04:31 UTC	Neighbour gone	AS8758	upstream
2026-10-06 04:31 UTC	New neighbour	AS8888	peer
2026-10-06 04:31 UTC	New neighbour	AS835	peer
2026-10-06 04:31 UTC	New neighbour	AS28917	peer
2026-10-06 04:31 UTC	New neighbour	AS264479	peer
2026-10-06 04:31 UTC	New neighbour	AS142271	peer
2026-10-06 04:31 UTC	Relationship changed	AS971	upstream to peer
2026-10-06 04:31 UTC	Relationship changed	AS7195	upstream to peer
2026-10-06 04:31 UTC	New neighbour	AS6797	peer
2026-10-06 04:31 UTC	Relationship changed	AS6204	upstream to peer
2026-10-06 04:31 UTC	New neighbour	AS60707	peer
2026-10-06 04:31 UTC	New neighbour	AS6057	peer
2026-10-06 04:31 UTC	Relationship changed	AS60171	upstream to peer
2026-10-06 04:31 UTC	Relationship changed	AS56911	upstream to peer
2026-10-06 04:31 UTC	Relationship changed	AS5405	upstream to peer
2026-10-06 04:31 UTC	Relationship changed	AS48362	upstream to peer
2026-10-06 04:31 UTC	Relationship changed	AS4230	upstream to peer
2026-10-06 04:31 UTC	Relationship changed	AS39351	upstream to peer
2026-10-06 04:31 UTC	New neighbour	AS39249	peer
2026-10-06 04:31 UTC	Relationship changed	AS37468	upstream to peer
2026-10-06 04:31 UTC	Relationship changed	AS37282	upstream to peer
2026-10-06 04:31 UTC	Relationship changed	AS37100	upstream to peer
2026-10-06 04:31 UTC	Relationship changed	AS35625	upstream to peer
2026-10-06 04:31 UTC	Relationship changed	AS34927	upstream to peer
2026-10-06 04:31 UTC	Relationship changed	AS34549	upstream to peer
2026-10-06 04:31 UTC	Relationship changed	AS34177	upstream to peer
2026-10-06 04:31 UTC	Relationship changed	AS34019	upstream to peer
2026-10-06 04:31 UTC	Relationship changed	AS29632	upstream to peer
2026-10-06 04:31 UTC	Relationship changed	AS212024	upstream to peer
2026-10-06 04:31 UTC	Relationship changed	AS205103	upstream to peer
2026-10-06 04:31 UTC	Relationship changed	AS20485	upstream to peer
2026-10-06 04:31 UTC	Relationship changed	AS1764	upstream to peer

WHOIS

aut-num:        AS51531
as-name:        DECIX-MGMT-AS
descr:          DE-CIX Management GmbH
descr:          DE
admin-c:        ENG6695-RIPE
tech-c:         ENG6695-RIPE
status:         ASSIGNED
org:            ORG-DtGI1-RIPE
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         DECIX-MNT
remarks:        
remarks:        For peering information please check:
remarks:        https://as51531.peeringdb.com
created:        2010-09-21T11:26:20Z
last-modified:  2019-12-04T11:19:36Z
source:         RIPE

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/51531

const res = await fetch('https://ip-fd.net/api/v1/asn/51531', {
  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/51531', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/51531');
curl_setopt($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/51531", 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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