ASN Lookup Tool

ObSimRef Diensten B.V. trading as AltStack altstack.ai NL NL 3 Routes

AS Data

AS213959

AS213959 – ObSimRef Diensten B.V. trading as AltStack

AS Number 213959
AS Name AltStack
Organization ObSimRef Diensten B.V. trading as AltStack (org-aa3486-ripe)
Country NL
Website altstack.ai
Number of IPv4 Routes 2
Number of IPv6 Routes 1
ASN type BUSINESS
Allocation Status ASSIGNED
Registry RIPE
Date Allocated 2024-10-25

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Use ASN data for AS213959 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
2001:67c:f54::/48 ~1×10²⁴
157.173.74.0/24 256
185.104.131.0/24 256

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 'AS208885 - AS214345'

as-block:       AS208885 - AS214345
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:        2026-07-13T14:17:33Z
last-modified:  2026-07-13T14:17:33Z
source:         RIPE

% Information related to 'AS213959'

% Abuse contact for 'AS213959' is 'abuse@0x4f.eu'

aut-num:        AS213959
as-name:        AltStack
org:            ORG-AA3486-RIPE
import:         from AS202585 accept ANY
export:         to AS202585 announce AS213959
import:         from AS49627 accept ANY
export:         to AS49627 announce AS213959
sponsoring-org: ORG-SB378-RIPE
admin-c:        FO40-RIPE
tech-c:         FO40-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         OSRD-MNT
created:        2024-10-25T08:41:44Z
last-modified:  2026-09-03T07:51:19Z
source:         RIPE

organisation:   ORG-AA3486-RIPE
org-name:       ObSimRef Diensten B.V. trading as AltStack
country:        NL
reg-nr:         08217451
org-type:       OTHER
address:        Schipbeekstraat 10, 7523PS Enschede, Netherlands
abuse-c:        ACRO57958-RIPE
mnt-ref:        OSRD-MNT
created:        2026-08-25T13:34:36Z
last-modified:  2026-09-15T17:26:38Z
source:         RIPE # Filtered
mnt-by:         OSRD-MNT

person:         Florian Overkamp
address:        SpeakUp
address:        Institutenweg 6
address:        7521PK Enschede
address:        The Netherlands
phone:          +31(0)887732587
fax-no:         +31(0)887732588
nic-hdl:        FO40-RIPE
org:            ORG-SB378-RIPE
mnt-by:         SPEAKUP-MNT
created:        2009-07-08T06:33:43Z
last-modified:  2017-01-24T08:17:46Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.124.1 (DEXTER)

Parsed Whois Response

Peers

AS Number Description Country
AS39351 31173 Services AB SE
AS6939 Hurricane Electric LLC US
AS9136 Wobcom GmbH DE
AS209267 Velorum B.V. NL
AS60144 3W Infra B.V. NL
AS271253 LINK BRASIL TELECOMUNICACOES LTDA BR
AS57344 Telehouse EAD BG
AS21263 TeleData GmbH DE
AS3399 Obenet AB SE
AS49627 Speakup B.V. NL
AS12859 BIT BV NL
AS37721 Virtual Technologies & Solutions BF
AS42093 InterRacks B.V. NL
AS20766 Association Gitoyen FR
AS39122 Blacknight Internet Solutions Limited IE
AS41666 openfactory nordic oy trading as Institute for Pyrotechnical Cleaning FI
AS1031 PEER 1031 LLC US
AS211358 Patrizio Palumbo IT
AS24482 SG.GS SG
AS263152 MIGO TELECOM BR
AS403001 Mirage Global Technologies LLC US
AS25091 IP Max SA CH
AS212895 Johannes Ernst DE
AS209823 Enki Multimedia EURL FR
AS8298 IPng Networks GmbH CH
AS206521 Technoberg Beheer B.V. NL
AS28917 Fiord Networks, UAB LT
AS34019 Hivane Association FR
AS212635 Jurrian van Iersel NL
AS200132 Peter Paul Maria Kurstjens NL
AS6424 EDGOO NETWORKS UNIPESSOAL LDA PT
AS210732 Alexandre Fernandes FR
AS1103 SURF B.V. NL
AS24940 Hetzner Online GmbH DE
AS205941 Lungu Stefan Gabriel RO
AS215665 Marlon Alkan DE
AS29075 IELO LIAZO SERVICES SAS FR
AS41051 FREETRANSIT Project CH
AS5405 Inter.link GmbH DE
AS199524 G Core Labs S.A. LU
AS197754 Christiaan Goossens NL
AS54148 Dynamic Quantum Networks CA
AS3214 xTom GmbH DE
AS214380 Tim de Boer trading as tim427.net NL
AS202585 bgp.rodeo NL
AS44324 MoeDove LLC US
AS216333 NetDev UG haftungsbeschraenkt DE
AS52112 Gentlent GmbH DE
AS137409 GSL Networks Pty LTD AU
AS49544 i3D.net B.V NL

Upstreams

AS Number Description Country
AS34019 Hivane Association FR
AS202585 bgp.rodeo NL
AS42093 InterRacks B.V. NL
AS1031 PEER 1031 LLC US
AS39351 31173 Services AB SE
AS25091 IP Max SA CH
AS6939 Hurricane Electric LLC US
AS212895 Johannes Ernst DE
AS20766 Association Gitoyen FR

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Frequently Asked Questions

ASN AS213959 is an Autonomous System Number used to identify a network for BGP internet routing.
AS213959 is listed under ObSimRef Diensten B.V. trading as AltStack.
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.