ASN Lookup Tool

CSL Data Centre Services Limited csl.com.mt MT MT 26 Routes

AS Data

AS51840

AS51840CSL Data Centre Services Limited

AS Number 51840
AS Name CSL-AS
Organization CSL Data Centre Services Limited(org-csl22-ripe)
Country MT
Website csl.com.mt
Number of IPv4 Routes 25
Number of IPv6 Routes 1
ASN type BUSINESS
Allocation Status ASSIGNED
Registry RIPE
Date Allocated 2010-11-15

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Use ASN data for AS51840 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
185.64.59.0/24 256
185.176.198.0/24 256
185.218.148.0/22 1024
185.177.49.0/24 256
185.177.48.0/24 256
91.220.139.0/24 256
185.218.151.0/24 256
185.27.58.0/24 256
185.177.51.0/24 256
185.177.50.0/24 256

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 'AS51819 - AS51843'

as-block:       AS51819 - AS51843
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:        2026-02-02T15:31:00Z
last-modified:  2026-02-02T15:31:00Z
source:         RIPE

% Information related to 'AS51840'

% Abuse contact for 'AS51840' is 'abuse@csl.com.mt'

aut-num:        AS51840
as-name:        CSL-AS
org:            ORG-CSL22-RIPE
import:         from AS33874 accept ANY
import:         from AS15735 accept ANY
export:         to AS33874 announce AS51840
export:         to AS15735 announce AS51840
admin-c:        HMD3-RIPE
tech-c:         AS16338-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-CSL-AS
created:        2010-11-15T07:46:43Z
last-modified:  2018-09-04T10:55:56Z
source:         RIPE

organisation:   ORG-CSL22-RIPE
org-name:       CSL Data Centre Services Limited
country:        MT
org-type:       LIR
address:        Demajo Technology Centre, Dun Karm Street
address:        BKR9038
address:        Birkirkara
address:        MALTA
phone:          +356 79790066
phone:          +35622767676
fax-no:         +35622767654
mnt-ref:        MNT-CSL-AS
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-CSL-AS
admin-c:        CSL53-RIPE
abuse-c:        CA5425-RIPE
created:        2013-05-22T10:47:21Z
last-modified:  2020-12-16T13:27:54Z
source:         RIPE # Filtered

person:         Alexander Seychell
address:        66, Dun Karm Street, BKARA
phone:          +356 22767000
nic-hdl:        AS16338-RIPE
created:        2010-10-08T09:41:28Z
last-modified:  2017-11-16T07:49:04Z
source:         RIPE
mnt-by:         MNT-CSL-AS
mnt-by:         CSLDC-MNT

person:         Herman Miceli Demajo
address:        M Demajo Group of Companies
address:        Demajo House, Archbishop Street, Valletta
fax-no:         +356 25522302
phone:          +356 25520000
nic-hdl:        HMD3-RIPE
created:        2004-07-02T11:57:36Z
last-modified:  2020-06-04T11:23:45Z
source:         RIPE # Filtered
mnt-by:         mnt-ozone-rm

% This query was served by the RIPE Database Query Service version 1.121 (SHETLAND)

Parsed Whois Response

Peers

AS Number Description Country
AS13335 Cloudflare, Inc. US
AS33874 Epic Communications Limited MT
AS12709 Melita Limited MT
AS15735 GO p.l.c. MT

Upstreams

AS Number Description Country
AS13335 Cloudflare, Inc. US
AS33874 Epic Communications Limited MT
AS12709 Melita Limited MT
AS15735 GO p.l.c. MT

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Frequently Asked Questions

ASN AS51840 is an Autonomous System Number used to identify a network for BGP internet routing.
AS51840 is listed under CSL Data Centre Services Limited.
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.