ASN Lookup Tool

S.J.M. Steffann steffann.nl NL NL 2 Routes

AS Data

AS203993

AS203993S.J.M. Steffann

AS Number 203993
AS Name GNA-DC1-AS
Organization S.J.M. Steffann (org-ssp3-ripe)
Country NL
Website steffann.nl
Number of IPv4 Routes 1
Number of IPv6 Routes 1
ASN type ISP
Allocation Status ASSIGNED
Registry RIPE
Date Allocated 2015-09-16

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Use ASN data for AS203993 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
185.54.92.0/23 512
2a00:8642::/32 ~79×10²⁷

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 'AS203940 - AS205662'

as-block:       AS203940 - AS205662
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:        2026-03-05T15:29:31Z
last-modified:  2026-03-05T15:29:31Z
source:         RIPE

% Information related to 'AS203993'

% Abuse contact for 'AS203993' is 'abuse@steffann.nl'

aut-num:        AS203993
as-name:        GNA-DC1-AS
org:            ORG-SSP3-RIPE
mp-import:      from AS12414 accept ANY
mp-export:      to AS12414 announce AS203993:AS-ALL
mp-import:      from AS50673 accept ANY
mp-export:      to AS50673 announce AS203993:AS-ALL
admin-c:        SJMS-RIPE
tech-c:         SJMS-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         STEFFANN-MNT
created:        2015-09-16T10:51:27Z
last-modified:  2026-06-12T09:59:22Z
source:         RIPE

organisation:   ORG-SSP3-RIPE
org-name:       S.J.M. Steffann
country:        NL
reg-nr:         Not Applicable
org-type:       LIR
address:        Tienwoningenweg 46
address:        7312 DN
address:        Apeldoorn
address:        NETHERLANDS
phone:          +31622660412
mnt-ref:        STEFFANN-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         STEFFANN-MNT
admin-c:        SJMS-RIPE
abuse-c:        SJMS-RIPE
created:        2012-01-27T14:45:47Z
last-modified:  2026-05-13T07:34:01Z
source:         RIPE # Filtered

role:           SJM Steffann NOC contact
address:        Tienwoningenweg 46
address:        7312 DN Apeldoorn
address:        The Netherlands
admin-c:        SJMS1-RIPE
tech-c:         SJMS1-RIPE
abuse-mailbox:  abuse@steffann.nl
nic-hdl:        SJMS-RIPE
mnt-by:         STEFFANN-MNT
created:        2012-03-06T21:01:48Z
last-modified:  2020-12-15T15:07:54Z
source:         RIPE # Filtered

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

Parsed Whois Response

Peers

AS Number Description Country
AS199081 Lancom Ltd. GR
AS62167 Tismi BV NL
AS50869 IPng Networks GmbH CH
AS58057 Securebit AG CH
AS39351 31173 Services AB SE
AS6939 Hurricane Electric LLC US
AS60602 Inovare-Prim SRL MD
AS22356 Durand do Brasil Ltda BR
AS198150 SIACOM JSC GE
AS209267 Velorum B.V. NL
AS43727 JSC KVANT TELEKOM RU
AS271253 LINK BRASIL TELECOMUNICACOES LTDA BR
AS57344 Telehouse EAD BG
AS21263 TeleData GmbH DE
AS214757 Jakub Krsa CZ
AS213576 Robert Weir IE
AS58299 Openfactory GmbH CH
AS50673 Serverius Holding B.V. NL
AS207113 Cyrus Mbitao trading as Wofbit Networks KE
AS60326 0xDEADBEEF LTD SC
AS34224 Neterra Ltd. BG
AS53062 GGNET TELECOMUNICACOES LTDA BR
AS206735 Novelcomm LP GR
AS14840 BR.Digital Telecom BR
AS56662 Marcin Gondek PL
AS24961 WIIT AG DE
AS57463 NetIX Communications JSC BG
AS12735 TurkNet Iletisim Hizmetleri A.S. TR
AS39122 Blacknight Internet Solutions Limited IE
AS8801 Rocket Fibre Ltd GB
AS61568 ALOO TELECOM - FSF TECNOLOGIA SA BR
AS41441 Serverius Holding B.V. NL
AS1031 PEER 1031 LLC US
AS216333 NetDev UG (haftungsbeschraenkt) DE
AS212483 LEVEL EIGHTY SIX COMMUNICATIONS LTD GB
AS999 CORIX NETWORKS US
AS24482 SG.GS SG
AS202365 Omer GOLGELI TR
AS263152 MIGO TELECOM BR
AS45701 PT. Internet Madju Abad Milenindo ID
AS34927 iFog GmbH CH
AS25091 IP Max SA CH
AS209823 Enki Multimedia EURL FR
AS44620 Netlen Internet Hizmetleri Ltd. Sti. TR
AS206521 Technoberg Beheer B.V. NL
AS28917 Fiord Networks, UAB LT
AS212483 LEVEL EIGHTY-SIX COMMUNICATIONS LTD GB
AS34019 Hivane Association FR
AS205329 Kai-Jung Chen TW
AS52025 ParadoxNetworks Limited GB
AS212635 Jurrian van Iersel NL
AS61049 Exascale Ltd GB
AS8038 6connect, Inc. US
AS24940 Hetzner Online GmbH DE
AS39120 Convergenze S.p.A. IT
AS5405 Inter.link GmbH DE
AS41327 Fiber Telecom S.p.A. IT
AS214380 Tim de Boer trading as tim427.net NL
AS12414 Solcon Internetdiensten B.V. NL
AS6823 3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S. TR

Upstreams

AS Number Description Country
AS39120 Convergenze S.p.A. IT
AS50869 IPng Networks GmbH CH
AS58057 Securebit AG CH
AS14840 BR.Digital Telecom BR
AS39351 31173 Services AB SE
AS25091 IP Max SA CH
AS6939 Hurricane Electric LLC US
AS24961 WIIT AG DE
AS22356 Durand do Brasil Ltda BR
AS5405 Inter.link GmbH DE
AS41327 Fiber Telecom S.p.A. IT
AS34019 Hivane Association FR
AS43727 JSC KVANT TELEKOM RU
AS1031 PEER 1031 LLC US
AS12414 Solcon Internetdiensten B.V. NL
AS61049 Exascale Ltd GB
AS9044 BSE Software GmbH CH
AS50673 Serverius Holding B.V. NL

Downstreams

AS Number Description Country
AS8038 6connect, Inc. US

Legacy Routes

2607:fae0:f001::/48 67.221.255.0/24 67.221.253.0/24 2607:fae0:f00c::/48 2607:fae0:f00d::/48 67.221.252.0/24

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Frequently Asked Questions

ASN AS203993 is an Autonomous System Number used to identify a network for BGP internet routing.
AS203993 is listed under S.J.M. Steffann.
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.