ASN Lookup Tool

Bjoern Maenken maenken.de DE DE 4 Routes

AS Data

AS203420

AS203420Bjoern Maenken

AS Number 203420
AS Name AS-MSYS-WTAL
Organization Bjoern Maenken (org-bm313-ripe)
Country DE
Website maenken.de
Number of IPv4 Routes 1
Number of IPv6 Routes 3
ASN type ISP
Allocation Status ASSIGNED
Registry RIPE
Date Allocated 2016-01-21

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Use ASN data for AS203420 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
194.50.176.0/24 256
2a0a:4540::/48 ~1×10²⁴
2a0a:4545::/32 ~79×10²⁷
2a0a:4540:3000::/48 ~1×10²⁴

Raw Whois Response

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to 'AS203113 - AS203887'

as-block:       AS203113 - AS203887
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2024-11-12T15:22:00Z
last-modified:  2024-11-12T15:22:00Z
source:         RIPE

% Information related to 'AS203420'

% Abuse contact for 'AS203420' is 'It@maenken.de'

aut-num:        AS203420
as-name:        AS-MSYS-WTAL
org:            ORG-BM313-RIPE
remarks:        -----
remarks:        Vodafone GmbH
import:         from AS3209 accept ANY
export:         to AS3209 announce AS203420
remarks:        -----
remarks:        1&1 Versatel Deutschland
import:         from AS8881 accept ANY
export:         to AS8881 announce AS203420
remarks:        -----
remarks:        Hurricane Electric
import:         from AS6939 accept ANY
export:         to AS6939 announce AS203420
remarks:        -----
remarks:        Securebit AG
import:         from AS58057 accept ANY
export:         to AS58057 announce AS203420
remarks:        -----
admin-c:        IA6276-RIPE
tech-c:         IA6276-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         mnt-de-maenkensystems-1
created:        2016-01-21T15:00:55Z
last-modified:  2025-09-12T06:00:55Z
source:         RIPE

organisation:   ORG-BM313-RIPE
geoloc:         51.288171 7.169508
language:       DE
descr:          Maenken Systems Network Germany (HQ)
country:        DE
reg-nr:         Not Applicable
org-name:       Bjoern Maenken
org-type:       LIR
address:        Kocherstr. 27
address:        42369
address:        Wuppertal
address:        GERMANY
phone:          +4920242924510
admin-c:        IA6276-RIPE
tech-c:         IA6276-RIPE
abuse-c:        AR60102-RIPE
mnt-ref:        mnt-de-maenkensystems-1
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         mnt-de-maenkensystems-1
created:        2020-03-23T10:27:12Z
last-modified:  2026-05-13T07:41:31Z
source:         RIPE # Filtered

role:           inet
org:            ORG-BM313-RIPE
address:        Morianstrasse 32
address:        42103
address:        Wuppertal
address:        GERMANY
phone:          +4920242924510
nic-hdl:        IA6276-RIPE
mnt-by:         mnt-de-maenkensystems-1
created:        2020-03-23T10:27:11Z
last-modified:  2025-08-29T12:26:39Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.123 (ABERDEEN)

Parsed Whois Response

Peers

AS Number Description Country
AS199081 Lancom Ltd. GR
AS24482 SG.GS SG
AS202365 Omer GOLGELI TR
AS12741 Netia SA PL
AS58057 Securebit AG CH
AS9498 Bharti Airtel Limited IN
AS25220 equada network GmbH DE
AS60602 Inovare-Prim SRL MD
AS6939 Hurricane Electric LLC US
AS41666 Institute for Pyrotechnical Cleaning limited company FI
AS51184 Fonira Telekom GmbH AT
AS8298 IPng Networks GmbH CH
AS212895 Johannes Ernst DE
AS44901 Belcloud LTD BG
AS212483 LEVEL EIGHTY-SIX COMMUNICATIONS LTD GB
AS198150 SIACOM JSC GE
AS34800 Securebit AG CH
AS9498 Bharti Airtel Ltd IN
AS52025 ParadoxNetworks Limited GB
AS212635 Jurrian van Iersel NL
AS214757 Jakub Krsa CZ
AS58299 Openfactory GmbH CH
AS210667 Adam Goodenough GB
AS39120 Convergenze S.p.A. IT
AS53062 GGNET TELECOMUNICACOES LTDA BR
AS212508 Lowhosting services of Davide Gennari IT
AS206735 Novelcomm LP GR
AS14840 BR.Digital Telecom BR
AS263444 Open X Tecnologia Ltda BR
AS57463 NetIX Communications JSC BG
AS12735 TurkNet Iletisim Hizmetleri A.S. TR
AS6774 Belgacom International Carrier Services SA BE
AS8881 1&1 Versatel GmbH DE
AS44901 belcloud BG
AS8801 Rocket Fibre Ltd GB
AS25091 IP Max SA ZZ
AS212483 LEVEL EIGHTY SIX COMMUNICATIONS LTD GB
AS57821 Nonattached Network e.V. DE
AS3209 Vodafone GmbH DE
AS25091 IP-Max SA CH
AS132337 Axclusive SG

Upstreams

AS Number Description Country
AS39120 Convergenze S.p.A. IT
AS212508 Lowhosting services of Davide Gennari IT
AS25091 IP Max SA ZZ
AS9498 Bharti Airtel Limited IN
AS58057 Securebit AG CH
AS14840 BR.Digital Telecom BR
AS263444 Open X Tecnologia Ltda BR
AS6939 Hurricane Electric LLC US
AS212895 Johannes Ernst DE
AS3209 Vodafone GmbH DE
AS8881 1&1 Versatel GmbH DE

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Frequently Asked Questions

ASN AS203420 is an Autonomous System Number used to identify a network for BGP internet routing.
AS203420 is listed under Bjoern Maenken.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.