
203993 STEFFANN-DC-AS, NL
Adjacency: 3 Upstream: 2 Downstream: 1
Upstream Adjacent AS list
AS12414 NL-SOLCON SOLCON, NL
AS50673 SERVERIUS-AS, NL
Downstream Adjacent AS list
AS8038 6CONNECT - 6connect, Inc., US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 39935 AS203993 ORG+TRN Originate: 1024 /22.00 Transit: 256 /24.00 STEFFANN-DC-AS, NL
Aggregation Suggestions
Filter: Aggregates, Specifics
This report does not take into account conditions local to each origin AS in terms of policy or traffic engineering requirements, so this is an approximate guideline as to aggregation possibilities.
Rank AS AS Name Current Wthdw Aggte Annce Redctn % 18150 AS203993 STEFFANN-DC-AS, NL 3 2 0 1 2 66.67% Prefix AS Path Aggregation Suggestion 185.54.92.0/23 4777 2497 1299 12414 203993 185.54.92.0/24 4777 2497 1299 12414 203993 - Withdrawn - matching aggregate 185.54.92.0/23 4777 2497 1299 12414 203993 185.54.93.0/24 4777 2497 1299 12414 203993 - Withdrawn - matching aggregate 185.54.92.0/23 4777 2497 1299 12414 203993
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS203993 3 More Specifics 3 Total Advertisements STEFFANN-DC-AS, NL
185.54.92.0/23 185.54.92.0/22
185.54.92.0/24 185.54.92.0/22
185.54.93.0/24 185.54.92.0/22
whois: 402332
IANA has recorded AS203993 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS203993\n % 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.
% 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: STEFFANN-DC-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
mp-import: from AS57771 accept ANY
mp-export: to AS57771 announce ANY
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: 2025-01-05T17:45:32Z
source: RIPE
organisation: ORG-SSP3-RIPE
org-name: S.J.M. Steffann
country: NL
org-type: LIR
address: Tienwoningenweg 46
address: 7312 DN
address: Apeldoorn
address: NETHERLANDS
phone: +31622660412
reg-nr: Not Applicable
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: 2026-04-29T05:33:21Z
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 1.122 (SHETLAND)