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

ASN Intelligence API for production workflows

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

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

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

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
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:  2020-12-16T13:23:58Z
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 1.121.1 (DEXTER)

Parsed Whois Response

Peers

AS Number Description Country
AS209179 AfriCloud LLC US
AS12552 GlobalConnect AB SE
AS213151 Christian Elsen DE
AS58057 Securebit AG CH
AS25220 equada network GmbH DE
AS20932 Service Telecom CH
AS13030 Init7 (Switzerland) Ltd. CH
AS42541 FIBERBY DK
AS45352 IP ServerOne Solutions Sdn Bhd MY
AS4230 CLARO S.A. BR

Upstreams

AS Number Description Country
AS1764 Next Layer Telekommunikationsdienstleistungs und Beratungs GmbH AT
AS6939 Hurricane Electric LLC US
AS6204 ZET.NET IP Transit RO
AS48362 Stadtwerke Feldkirch AT
AS6663 Euroweb Romania S.R.L. RO
AS33891 Core Backbone GmbH DE
AS4230 CLARO S.A. BR
AS205103 Telegraph42 Management GmbH DE
AS34019 Hivane Association FR
AS37468 Angola Cables AO

Downstreams

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

Ready to get started?Get Started with IP Intelligence API Today

CTA Illustration

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.