ASN Lookup Tool

SenseMakers B.V. sensemakers.nl NL NL 2 Routes

AS Data

AS47121

AS47121 – SenseMakers B.V.

AS Number 47121
AS Name SENSEMAKERS
Organization SenseMakers B.V. (org-sm18-ripe)
Country NL
Website sensemakers.nl
Number of IPv4 Routes 1
Number of IPv6 Routes 1
ASN type BUSINESS
Allocation Status ASSIGNED
Registry RIPE
Date Allocated 2008-04-29

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Use ASN data for AS47121 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
2001:678:2c8::/48 ~1×10²⁴
195.245.236.0/24 256

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 'AS47104 - AS47191'

as-block:       AS47104 - AS47191
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:        2024-09-24T13:48:22Z
last-modified:  2024-09-24T13:48:22Z
source:         RIPE

% Information related to 'AS47121'

% Abuse contact for 'AS47121' is 'beheer@sensemakers.nl'

aut-num:        AS47121
as-name:        SENSEMAKERS
org:            ORG-SM18-RIPE
import:         from AS6461 accept ANY
export:         to AS6461 announce AS47121
import:         from AS20562 accept ANY
export:         to AS20562 announce AS47121
admin-c:        NO340-RIPE
tech-c:         NO340-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         OPENPEERING-MNT
created:        2008-04-29T10:27:35Z
last-modified:  2018-09-04T10:32:20Z
source:         RIPE
sponsoring-org: ORG-OPB1-RIPE

organisation:   ORG-SM18-RIPE
org-name:       SenseMakers B.V.
country:        NL
reg-nr:         33128110
org-type:       OTHER
address:        SenseMakers B.V.
address:        Achterwerf 305
address:        1357 DD Almere
address:        The Netherlands
phone:          +31 36 545 8595
abuse-c:        AR18593-RIPE
admin-c:        NO340-RIPE
tech-c:         NO340-RIPE
mnt-ref:        SENSEMAKERS-MNT
mnt-by:         SENSEMAKERS-MNT
mnt-by:         OPENPEERING-MNT
created:        2008-03-13T16:42:20Z
last-modified:  2026-05-13T05:48:40Z
source:         RIPE # Filtered

person:         Nick Hooijenga
address:        Sensemakers B.V.
address:        Achterwerf 305
address:        1357 DD Almere
address:        The Netherlands
phone:          +31 36 545 8595
nic-hdl:        NO340-RIPE
mnt-by:         SENSEMAKERS-MNT
mnt-by:         OPENPEERING-MNT
created:        2008-03-13T16:34:23Z
last-modified:  2025-01-09T10:58:19Z
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
AS62167 Tismi BV NL
AS9299 Philippine Long Distance Telephone Co. PH
AS48185 team.blue NV BE
AS20932 Service Telecom CH
AS56381 level66.network UG haftungsbeschraenkt DE
AS64049 Reliance Jio Infocomm Pte Ltd Singapore SG
AS39249 Netassist International EOOD BG
AS49434 FBW NETWORKS SAS FR
AS39351 31173 Services AB SE
AS6204 ZET.NET IP Transit RO
AS6939 Hurricane Electric LLC US
AS38880 Micron21 Datacentre Pty Ltd AU
AS31133 PJSC MegaFon RU
AS14907 Wikimedia Foundation Inc. US
AS57344 Telehouse EAD BG
AS21263 TeleData GmbH DE
AS214145 Seyed Pouria Mousavizadeh Tehrani IR
AS58511 Anycast Holdings Pty Ltd AU
AS64475 Freifunk Frankfurt am Main e.V. DE
AS51185 MainStreaming SpA IT
AS50673 Serverius Holding B.V. NL
AS6461 Zayo Bandwidth US
AS133504 PAOCLOUD CO., LTD. TH
AS3216 PJSC Vimpelcom RU
AS12859 BIT BV NL
AS37721 Virtual Technologies & Solutions BF
AS45489 Sri Lanka Telecom Ltd LK
AS29632 Netassist International EOOD BG
AS210320 Cedric Hoogendoorn NL
AS32590 Valve Corporation US
AS34428 8ROUTE GLPR IT
AS1140 Stichting Internet Domeinregistratie Nederland NL
AS205206 Netsite A/S DK
AS8801 Rocket Fibre Ltd GB
AS213798 Jude Gabriel Powell GB
AS6696 VERIXI SA BE
AS209022 Tschajera Limited GB
AS45701 PT Internet Madju Abad Milenindo ID
AS11967 Hop179 OU EE
AS212483 LEVEL EIGHTY SIX COMMUNICATIONS LTD GB
AS34307 Broadband Hosting B.V. NL
AS20485 Joint Stock Company TransTeleCom RU
AS3333 Reseaux IP Europeens Network Coordination Centre RIPE NCC NL
AS37662 West Indian Ocean Cable Company MU
AS8283 Netwerkvereniging Coloclue NL
AS24482 SG.GS SG
AS209090 Association Stolon FR
AS34927 iFog GmbH CH
AS24785 Broadband Hosting B.V. NL
AS41666 Institute for Pyrotechnical Cleaning limited company FI
AS25091 IP Max SA CH
AS215760 DisPaisy Enterprises IT
AS209823 Enki Multimedia EURL FR
AS8298 IPng Networks GmbH CH
AS44620 Netlen Internet Hizmetleri Ltd. Sti. TR
AS7713 Telekomunikasi Indonesia PT ID
AS206521 Technoberg Beheer B.V. NL
AS215828 Tizian Maxime Weigt trading as TMW Global Networks DE
AS33891 Core Backbone GmbH DE
AS132337 AXCLUSIVE PTE. LTD. SG

Upstreams

AS Number Description Country
AS209090 Association Stolon FR
AS29632 Netassist International EOOD BG
AS39249 Netassist International EOOD BG
AS24785 Broadband Hosting B.V. NL
AS25091 IP Max SA CH
AS6204 ZET.NET IP Transit RO
AS29075 IELO LIAZO SERVICES SAS FR
AS6939 Hurricane Electric LLC US
AS8298 IPng Networks GmbH CH
AS7713 Telekomunikasi Indonesia PT ID
AS48646 SDRmedia Verwaltungs GmbH DE
AS33891 Core Backbone GmbH DE
AS205103 Telegraph42 Management GmbH DE
AS8455 atom86 BV NL
AS6696 VERIXI SA BE
AS209022 Tschajera Limited GB
AS8218 operated Upstreamnet gmbh FR
AS20485 Joint Stock Company TransTeleCom RU
AS20562 Broadband Hosting B.V. NL
AS50673 Serverius Holding B.V. NL
AS37100 SEACOM Limited MU

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Frequently Asked Questions

ASN AS47121 is an Autonomous System Number used to identify a network for BGP internet routing.
AS47121 is listed under SenseMakers 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.