ASN Lookup Tool

CTA Systems B.V. ucsystems.nl NL NL 10 Routes

AS Data

AS39563

AS39563CTA Systems B.V.

AS Number 39563
AS Name UCSYSTEMS
Organization CTA Systems B.V. (org-csb11-ripe)
Country NL
Website ucsystems.nl
Number of IPv4 Routes 9
Number of IPv6 Routes 1
ASN type ISP
Allocation Status ASSIGNED
Registry RIPE
Date Allocated 2017-11-10

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Use ASN data for AS39563 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
2a0c:3900::/32 ~79×10²⁷
185.80.9.0/24 256
185.231.17.0/24 256
185.80.8.0/24 256
185.231.16.0/24 256
85.8.131.0/24 256
185.231.18.0/24 256
185.80.11.0/24 256
185.231.19.0/24 256
185.80.10.0/24 256

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 'AS38912 - AS39599'

as-block:       AS38912 - AS39599
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:        2023-08-29T07:47:54Z
last-modified:  2023-08-29T07:47:54Z
source:         RIPE

% Information related to 'AS39563'

% Abuse contact for 'AS39563' is 'abuse@ucsystems.nl'

aut-num:        AS39563
as-name:        UCSYSTEMS
org:            ORG-CSB11-RIPE
import:         from AS28685 accept ANY
export:         to AS28685 announce AS39563
import:         from AS43350 accept ANY
export:         to AS43350 announce AS-UCSYSTEMS
admin-c:        UCS9-RIPE
tech-c:         UCS9-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         UCSYSTEMS-MNT
created:        2017-11-10T15:15:11Z
last-modified:  2021-06-25T17:02:17Z
source:         RIPE

organisation:   ORG-CSB11-RIPE
org-name:       CTA Systems B.V.
descr:          UC Systems
country:        NL
reg-nr:         23073402
org-type:       LIR
address:        Kade 64
address:        3371 EP
address:        Hardinxveld-Giessendam
address:        NETHERLANDS
phone:          +31886666333
admin-c:        UCS9-RIPE
admin-c:        MR16748-RIPE
tech-c:         UCS9-RIPE
tech-c:         MR16748-RIPE
abuse-c:        AR43752-RIPE
mnt-ref:        UCSYSTEMS-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         UCSYSTEMS-MNT
created:        2017-11-07T10:36:53Z
last-modified:  2026-05-13T07:10:02Z
source:         RIPE # Filtered

person:         Mike Roelofs
address:        Kade 64, 3371 EP Hardinxveld-Giessendam
phone:          +31 88 6666 333
nic-hdl:        UCS9-RIPE
mnt-by:         UCSYSTEMS-MNT
created:        2017-11-08T20:42:10Z
last-modified:  2021-06-03T19:09:36Z
source:         RIPE

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

Parsed Whois Response

Peers

AS Number Description Country
AS212815 Dyjix SAS FR
AS58057 Securebit AG CH
AS20932 Service Telecom CH
AS60602 Inovare-Prim SRL MD
AS38880 Micron21 Datacentre Pty Ltd AU
AS198150 SIACOM JSC GE
AS15943 wilhelm.tel GmbH DE
AS214762 Sebastian Stefanek trading as MatHost.eu PL
AS4657 StarHub Ltd SG
AS56655 Gigahost AS NO
AS8529 Zain Omantel International FZ-LLC AE
AS37468 Angola Cables AO
AS60144 3W Infra B.V. NL
AS199524 G-Core Labs S.A. LU
AS14907 Wikimedia Foundation Inc. US
AS30823 aurologic GmbH DE
AS213576 Robert Weir IE
AS64475 Freifunk Frankfurt am Main e.V. DE
AS50673 Serverius Holding B.V. NL
AS59790 Marco Bungalski GmbH DE
AS207113 Cyrus Mbitao trading as Wofbit Networks KE
AS3399 Obenet AB SE
AS3255 LLC EKSINTECH UA
AS133504 PAOCLOUD CO., LTD. TH
AS60326 0xDEADBEEF LTD SC
AS53062 GGNET TELECOMUNICACOES LTDA BR
AS209768 white2net Srl BE
AS206735 Novelcomm LP GR
AS12859 BIT BV NL
AS14840 BR.Digital Telecom BR
AS35360 Frederic Gargula CH
AS32590 Valve Corporation US
AS12735 TurkNet Iletisim Hizmetleri A.S. TR
AS8801 Rocket Fibre Ltd GB
AS35055 WI Connect B.V. NL
AS20647 IPB Internet Provider in Berlin GmbH DE
AS25091 IP Max SA ZZ
AS61568 ALOO TELECOM - FSF TECNOLOGIA SA BR
AS6696 VERIXI SA BE
AS1031 PEER 1031 LLC US
AS43350 NForce Entertainment B.V. NL
AS999 CORIX NETWORKS US
AS211358 Patrizio Palumbo IT
AS202365 Omer GOLGELI TR
AS20932 Services Industriels de Geneve CH
AS209090 Association Stolon FR
AS263152 MIGO TELECOM BR
AS12741 Netia SA PL
AS45701 PT. Internet Madju Abad Milenindo ID
AS24785 Broadband Hosting B.V. NL
AS41666 Institute for Pyrotechnical Cleaning limited company FI
AS215760 Adam Grazioli IT
AS209823 Enki Multimedia EURL FR
AS8298 IPng Networks GmbH CH
AS44620 Netlen Internet Hizmetleri Ltd. Sti. TR
AS7713 Telekomunikasi Indonesia PT ID
AS212386 Pankkih Oy FI
AS205103 Telegraph42 Management GmbH DE
AS34019 Hivane Association FR
AS41666 Institute for Pyrotechnical Cleaning (limited company) FI

Upstreams

AS Number Description Country
AS50869 IPng Networks GmbH CH
AS209090 Association Stolon FR
AS58057 Securebit AG CH
AS39351 31173 Services AB SE
AS24785 Broadband Hosting B.V. NL
AS6939 Hurricane Electric LLC US
AS6204 ZET.NET IP Transit RO
AS7713 Telekomunikasi Indonesia PT ID
AS22356 Durand do Brasil Ltda BR
AS33891 Core Backbone GmbH DE
AS205103 Telegraph42 Management GmbH DE
AS56655 Gigahost AS NO
AS37468 Angola Cables AO
AS20764 CJSC RASCOM RU
AS35133 Eranium B.V. NL
AS8218 operated Upstreamnet gmbh FR
AS61049 Exascale Ltd GB
AS37100 SEACOM Limited MU
AS39120 Convergenze S.p.A. IT
AS50263 A Systems Sp. z o.o. PL
AS14840 BR.Digital Telecom BR
AS30886 PP KOM i TEX UA
AS29632 Netassist International EOOD BG
AS24961 WIIT AG DE
AS50304 Blix Solutions AS NO
AS215596 KISSGROUP SAS FR
AS5405 Inter.link GmbH DE
AS41327 Fiber Telecom S.p.A. IT
AS42295 TBISS Ltd BG
AS28685 Routit BV NL
AS13194 UAB Bite Lietuva LT
AS25091 IP Max SA ZZ
AS6696 VERIXI SA BE
AS1031 PEER 1031 LLC US
AS209022 Tschajera Limited GB
AS43350 NForce Entertainment B.V. NL
AS20562 Broadband Hosting B.V. NL
AS20485 Joint Stock Company TransTeleCom RU
AS9044 BSE Software GmbH CH
AS5713 SAIX NET ZA
AS137409 GSL Networks Pty LTD AU

Downstreams

AS Number Description Country
AS35055 WI Connect B.V. NL

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Frequently Asked Questions

ASN AS39563 is an Autonomous System Number used to identify a network for BGP internet routing.
AS39563 is listed under CTA Systems B.V..
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.