ASN Lookup Tool

DE CIX Management GmbH de-cix.net DE DE 11 Routes

AS Data

AS51531

AS51531DE CIX Management GmbH

AS Number 51531
AS Name DECIX-MGMT-AS
Organization DE CIX Management GmbH (org-dtgi1-ripe)
Country DE
Website de-cix.net
Number of IPv4 Routes 7
Number of IPv6 Routes 4
ASN type ISP
Allocation Status ASSIGNED
Registry RIPE
Date Allocated 2010-09-21

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Use ASN data for AS51531 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
81.89.89.0/24 256
185.70.20.0/22 1024
45.129.80.0/22 1024
46.31.120.0/21 2048
2001:67c:4::/48 ~1×10²⁴
2a02:c50::/34 ~20×10²⁷
81.89.90.0/23 512
2a02:c50:8000::/33 ~40×10²⁷
2a02:c50:6000::/35 ~1×10³⁰
81.89.92.0/22 1024
45.159.240.0/22 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 'AS51357 - AS51817'

as-block:       AS51357 - AS51817
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:        2025-02-13T13:57:44Z
last-modified:  2025-02-13T13:57:44Z
source:         RIPE

% Information related to 'AS51531'

% Abuse contact for 'AS51531' is 'abuse@de-cix.net'

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 # Filtered

organisation:   ORG-DtGI1-RIPE
org-name:       DE-CIX Management GmbH
country:        DE
reg-nr:         District court K�ln HRB 51135
org-type:       LIR
address:        Lichtstrasse 43i
address:        50825
address:        K�ln
address:        GERMANY
phone:          +496917309020
mnt-ref:        DECIX-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         DECIX-MNT
admin-c:        DXSU6695-RIPE
admin-c:        INF6695-RIPE
admin-c:        RND6695-RIPE
tech-c:         DXSU6695-RIPE
tech-c:         INF6695-RIPE
tech-c:         RND6695-RIPE
abuse-c:        DXSU6695-RIPE
created:        2004-04-17T11:06:04Z
last-modified:  2026-05-13T07:05:18Z
source:         RIPE # Filtered

role:           DE-CIX Engineering
address:        DE-CIX Management GmbH
address:        Lindleystrasse 12
address:        60314 Frankfurt
address:        Germany
abuse-mailbox:  abuse@de-cix.net
admin-c:        INF6695-RIPE
admin-c:        DXSU6695-RIPE
admin-c:        RND6695-RIPE
tech-c:         INF6695-RIPE
tech-c:         DXSU6695-RIPE
tech-c:         RND6695-RIPE
nic-hdl:        ENG6695-RIPE
mnt-by:         DECIX-MNT
created:        2019-02-15T07:44:34Z
last-modified:  2025-04-02T13:45:57Z
source:         RIPE # Filtered

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

Parsed Whois Response

Peers

AS Number Description Country
AS209179 AfriCloud LLC US
AS12552 GlobalConnect AB SE
AS51907 Kanton Zug CH
AS213151 Christian Elsen DE
AS58057 Securebit AG CH
AS25220 equada network GmbH DE
AS20932 Service Telecom CH
AS39249 Netassist International EOOD BG
AS13030 Init7 (Switzerland) Ltd. CH
AS60602 Inovare-Prim SRL MD
AS42541 FIBERBY DK
AS45352 IP ServerOne Solutions Sdn Bhd MY
AS4230 CLARO S.A. BR
AS198249 Ops One AG CH
AS8529 Zain Omantel International FZ-LLC AE
AS37468 Angola Cables AO
AS47957 Worldline IGSA SA FR
AS60144 3W Infra B.V. NL
AS34800 Securebit AG CH
AS199524 G-Core Labs S.A. LU
AS196610 DE-CIX Management GmbH DE
AS14907 Wikimedia Foundation Inc. US
AS34288 Kantonsschule Zug CH
AS1351 University of Vermont US
AS60707 Kapteyan Bilisim Teknolojileri Sanayi ve Ticaret A.S TR
AS64475 Freifunk Frankfurt am Main e.V. DE
AS205530 DE CIX Management GmbH DE
AS47692 Nessus GmbH AT
AS13101 TNG Stadtnetz GmbH DE
AS60326 0xDEADBEEF LTD SC
AS206735 Novelcomm LP GR
AS13237 euNetworks GmbH DE
AS14840 BR.Digital Telecom BR
AS13058 serve-u - Buchholz und Suenderhauf GbR DE
AS21497 PrJSC "VF UKRAINE" UA
AS35360 Frederic Gargula CH
AS12735 TurkNet Iletisim Hizmetleri A.S. TR
AS559 SWITCH CH
AS8801 Rocket Fibre Ltd GB
AS35625 Eurofiber France SAS FR
AS1828 Unitas Global US
AS1299 Arelion Sweden AB SE
AS264479 Turbozone Internet BR
AS37282 Main one Cable Company Nigeria Limited NG
AS20932 Services Industriels de Geneve CH
AS45701 PT. Internet Madju Abad Milenindo ID
AS8717 A1 Bulgaria EAD BG
AS31027 GlobalConnect A/S DK
AS209823 Enki Multimedia EURL FR
AS14630 Invesco Group Services, Inc. US
AS196610 DE CIX Academy Educational Network DE
AS553 BelWue Koordination DE
AS60171 AFR-IX TELECOM S.A. ES
AS205103 Telegraph42 Management GmbH DE
AS34177 Celeste SAS FR
AS34019 Hivane Association FR
AS37680 Cool Ideas Service Provider Pty Ltd ZA
AS28398 INTERNET TELEFONIA Y TV DE MICHOACAN SA DE CV MX
AS37680 Cool Ideas Service Provider (Pty) Ltd ZA
AS8544 Primetel PLC CY

Upstreams

AS Number Description Country
AS7195 EDGEUNO S.A.S CO
AS34927 iFog GmbH CH
AS39249 Netassist International EOOD BG
AS1764 Next Layer Telekommunikationsdienstleistungs und Beratungs GmbH AT
AS6939 Hurricane Electric LLC US
AS6204 ZET.NET IP Transit RO
AS48362 Stadtwerke Feldkirch AT
AS33891 Core Backbone GmbH DE
AS4230 CLARO S.A. BR
AS205103 Telegraph42 Management GmbH DE
AS34019 Hivane Association FR
AS34177 Celeste SAS FR
AS37468 Angola Cables AO
AS60171 AFR IX TELECOM S.A. ES
AS60707 Kapteyan Bilisim Teknolojileri Sanayi ve Ticaret A.S TR
AS13101 TNG Stadtnetz GmbH DE
AS39120 Convergenze S.p.A. IT
AS29632 Netassist International EOOD BG
AS6057 Administracion Nacional de Telecomunicaciones UY
AS5405 Inter.link GmbH DE
AS971 PureVoltage Hosting Inc. US
AS35625 Eurofiber France SAS FR
AS212024 Marc Schmitt FR
AS1299 Arelion Sweden AB SE
AS20485 Joint Stock Company TransTeleCom RU
AS137409 GSL Networks Pty LTD AU
AS34549 meerfarbig GmbH & Co. KG DE
AS37282 Main one Cable Company Nigeria Limited NG

Downstreams

AS Number Description Country
AS205530 DE CIX Management GmbH DE
AS196610 DE CIX Academy Educational Network DE
AS715 WoodyNet, Inc. US

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Frequently Asked Questions

ASN AS51531 is an Autonomous System Number used to identify a network for BGP internet routing.
AS51531 is listed under DE CIX Management GmbH.
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.