AS212341 Stephan Rakowski, trading as CSN-Solutions GmbH

Germany CSN-Datacenters RIPE 8 IPv4 prefixes 7 IPv6 prefixes

IPv4 addresses

4,096

IPv6 /48 networks

917,504

RPKI

15 valid0 no ROA

Peers and downstreams

104

Holder

AS name: CSN-Datacenters
Description: Stephan Rakowski, trading as CSN-Solutions GmbH
Organisation: Stephan Rakowski, trading as CSN-Solutions GmbH
Abuse contact: noc@csn-solutions.de
Assigned: 2020-11-16
Registered: 2020-11-17
Record last changed: 2026-06-11 14:38 UTC

139.28.152.0/22 185.66.176.0/22 185.66.178.0/24 2.58.101.0/24 77.87.185.0/24 85.202.88.0/22 89.144.2.0/24 91.108.80.0/24

AS553	Belwue BELWUE
AS559	SWITCH Switch
AS1103	SURF B.V. SURFNET-NL
AS1140	Stichting Internet Domeinregistratie Nederland SIDN
AS1764	Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH NEXTLAYER-AS
AS1828	Unitas Global UNITAS
AS3209	Vodafone GmbH VODANET
AS3212	Telemach Slovenija d.o.o. TELEMACH
AS3214	xTom GmbH XTOM
AS3333	Reseaux IP Europeens Network Coordination Centre (RIPE NCC) RIPE-NCC-AS
AS4230	CLARO S.A. AS4230
AS4455	IX Reach Ltd BSO
AS5405	Inter.link GmbH INTERDOTLINK
AS6057	Administracion Nacional de Telecomunicaciones AS6057
AS6424	EDGOO NETWORKS UNIPESSOAL LDA EDGOO
AS6663	Euroweb Romania S.R.L. TTI-NET
AS6797	GlobalConnect AB GLOBALCONNECT-NET
AS7195	EDGEUNO S.A.S AS7195
AS7713	PT Telekomunikasi Indonesia telkomnet-as-ap
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
AS9002	RETN Limited RETN-AS
AS9044	BSE Software GmbH SOLNET
AS12577	MMC GmbH MMC-AT-AS
AS12637	SEEWEB s.r.l. SEEWEB
AS12779	IT.Gate S.p.A. ITGATE
AS12859	BIT BV NL-BIT
AS12969	Ljosleidarinn ehf Vodafone_Iceland
AS13237	euNetworks GmbH LAMBDANET-AS
AS14630	Invesco Group Services, Inc. INVESCO
AS14840	BR.Digital Telecom AS14840
AS14907	Wikimedia Foundation Inc. WIKIMEDIA
AS15605	Connesi s.p.a. CONNESI
AS17639	Converge ICT Solutions Inc. CONVERGE-AS
AS20485	Joint Stock Company TransTeleCom TRANSTELECOM
AS20766	Association "Gitoyen" GITOYEN-MAIN-AS
AS20932	Services Industriels de Geneve SIG-ST
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
AS37468	Angola Cables
AS37721	Virtual Technologies & Solutions
AS39122	Blacknight Internet Solutions Limited BLACKNIGHT-AS
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
AS48185	team.blue NV team_blue
AS48362	Tkswf TKSWF-AS
AS48919	UACITY Ltd. UA-CITY-AS
AS49544	i3D.net B.V i3Dnet
AS49605	Digital Telecommunication Services S.r.l. DTS-AS
AS50300	CustodianDC Limited CUSTDC
AS50673	Serverius Holding B.V. Serverius-as
AS50763	Robert McKay MCKAYCOM
AS51184	Fonira Telekom GmbH FONIRA
AS51185	MainStreaming SpA MAINSTREAMING-AS
AS51873	Arcade Solutions AG AS-ARCADE
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
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
AS209823	Enki Multimedia EURL ENKI-AS
AS212024	Risson RISSON
AS213151	Christian Elsen CHRISELSEN
AS213241	TECHIT.BE SRL TECHIT
AS271253	LINK BRASIL TELECOMUNICACOES LTDA AS271253

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade A · 90/100

pass	Prefixes covered by valid ROAs 15 of 15 announced prefixes are RPKI valid.	25/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 7 IPv6 prefixes.	15/15
pass	More than one upstream 6 upstreams seen in BGP.	10/10
pass	Working abuse contact noc@csn-solutions.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
pass	Registry record maintained Last changed 2026-06-11.	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/212341"><img src="https://ip-fd.net/badge/asn/212341/health.svg" alt="AS212341 network health on IP-FD.net"></a>

Markdown

[![AS212341 network health](https://ip-fd.net/badge/asn/212341/health.svg)](https://ip-fd.net/asn/212341)

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

Routing changes

Last 30 days

2026-10-05 04:35 UTC	Neighbour gone	AS56662	peer
2026-10-05 04:35 UTC	Neighbour gone	AS52320	peer
2026-10-05 04:35 UTC	Neighbour gone	AS31027	peer
2026-10-05 04:35 UTC	Neighbour gone	AS8758	upstream
2026-10-05 04:35 UTC	Neighbour gone	AS6777	upstream
2026-10-05 04:35 UTC	New neighbour	AS8888	peer
2026-10-05 04:35 UTC	New neighbour	AS28917	peer
2026-10-05 04:35 UTC	New neighbour	AS142271	peer
2026-10-05 04:35 UTC	New neighbour	AS9044	peer
2026-10-05 04:35 UTC	Relationship changed	AS9002	upstream to peer
2026-10-05 04:35 UTC	Relationship changed	AS7713	upstream to peer
2026-10-05 04:35 UTC	Relationship changed	AS7195	upstream to peer
2026-10-05 04:35 UTC	New neighbour	AS6797	peer
2026-10-05 04:35 UTC	Relationship changed	AS6663	upstream to peer
2026-10-05 04:35 UTC	New neighbour	AS6057	peer
2026-10-05 04:35 UTC	Relationship changed	AS60171	upstream to peer
2026-10-05 04:35 UTC	Relationship changed	AS5405	upstream to peer
2026-10-05 04:35 UTC	Relationship changed	AS50673	upstream to peer
2026-10-05 04:35 UTC	Relationship changed	AS48362	upstream to peer
2026-10-05 04:35 UTC	Relationship changed	AS4455	upstream to peer
2026-10-05 04:35 UTC	New neighbour	AS4230	peer
2026-10-05 04:35 UTC	Relationship changed	AS39351	upstream to peer
2026-10-05 04:35 UTC	Relationship changed	AS39249	upstream to peer
2026-10-05 04:35 UTC	Relationship changed	AS37468	upstream to peer
2026-10-05 04:35 UTC	Relationship changed	AS37100	upstream to peer
2026-10-05 04:35 UTC	Relationship changed	AS35625	upstream to peer
2026-10-05 04:35 UTC	Relationship changed	AS34927	upstream to peer
2026-10-05 04:35 UTC	Relationship changed	AS34549	upstream to peer
2026-10-05 04:35 UTC	Relationship changed	AS34177	upstream to peer
2026-10-05 04:35 UTC	Relationship changed	AS34019	upstream to peer
2026-10-05 04:35 UTC	Relationship changed	AS3209	upstream to peer
2026-10-05 04:35 UTC	Relationship changed	AS29632	upstream to peer
2026-10-05 04:35 UTC	Relationship changed	AS212024	upstream to peer
2026-10-05 04:35 UTC	Relationship changed	AS20766	upstream to peer
2026-10-05 04:35 UTC	Relationship changed	AS205103	upstream to peer
2026-10-05 04:35 UTC	Relationship changed	AS20485	upstream to peer
2026-10-05 04:35 UTC	Relationship changed	AS1764	upstream to peer
2026-10-05 04:35 UTC	Relationship changed	AS12637	upstream to peer
2026-10-05 04:35 UTC	Relationship changed	AS12577	upstream to peer

WHOIS

aut-num:        AS212341
as-name:        CSN-Datacenters
org:            ORG-SR60-RIPE
member-of:      AS212341:AS-CSN-SOLUTIONS
remarks:        -------------------------------------------------
remarks:        Transit/Upstream/PNI Policy
remarks:        -------------------------------------------------
remarks:        -------------------------------------------------
remarks:        Peering
remarks:        -------------------------------------------------
remarks:        CSNIX - Kehrsen (selective)
remarks:        CSNIX - Gudow (selective)
remarks:        CSNIX - Hamburg (selective)
remarks:        -------------------------------------------------
remarks:        CSNIX Route-Servers / Route-Collectors
remarks:        -------------------------------------------------
remarks:        -------------------------------------------------
remarks:        Public Peering Points (DE-CIX Frankfurt, DE-CIX Hamburg, AMSIX Amsterdam)
remarks:        strict RPKI/ROA filtering
remarks:        -------------------------------------------------
remarks:        -------------------------------------------------
admin-c:        MR25156-RIPE
tech-c:         MR25156-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-MRCSN
created:        2020-11-17T15:24:33Z
last-modified:  2026-06-11T14:38:09Z
source:         RIPE
% 19 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/212341

const res = await fetch('https://ip-fd.net/api/v1/asn/212341', {
  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/212341', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/212341');
curl_setopt($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/212341", 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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