209040 ASSEWI, DE
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS33891 CORE-BACKBONE CORE-BACKBONE GMBH GLOBAL NETWORK, DE
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 6056 AS209040 ORIGIN Originate: 25600 /17.36 Transit: 0 /0.00 ASSEWI, DE
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 % 18746 AS209040 ASSEWI, DE 13 4 2 11 2 15.38% Prefix AS Path Aggregation Suggestion 5.159.80.0/21 6939 33891 209040 + Announce - aggregate of 5.159.80.0/22 (6939 33891 209040) and 5.159.84.0/22 (6939 33891 209040) 5.159.80.0/22 6939 33891 209040 - Withdrawn - aggregated with 5.159.84.0/22 (6939 33891 209040) 5.159.84.0/22 6939 33891 209040 - Withdrawn - aggregated with 5.159.80.0/22 (6939 33891 209040) 46.167.40.0/21 6939 33891 209040 178.19.80.0/20 6939 33891 209040 185.54.116.0/22 6939 33891 209040 216.31.64.0/23 6939 33891 209040 216.31.66.0/23 22652 33891 209040 216.31.68.0/22 6939 33891 209040 216.31.72.0/22 6939 33891 209040 216.31.76.0/22 22652 33891 209040 + Announce - aggregate of 216.31.76.0/23 (22652 33891 209040) and 216.31.78.0/23 (22652 33891 209040) 216.31.76.0/23 22652 33891 209040 - Withdrawn - aggregated with 216.31.78.0/23 (22652 33891 209040) 216.31.78.0/23 22652 33891 209040 - Withdrawn - aggregated with 216.31.76.0/23 (22652 33891 209040) 216.31.80.0/20 22652 33891 209040 216.31.96.0/19 6939 33891 209040
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS209040 3 More Specifics 6 Total Advertisements ASSEWI, DE
216.31.72.0/22 216.31.64.0/18
216.31.80.0/20 216.31.64.0/18
216.31.96.0/19 216.31.64.0/18
whois: 402603
IANA has recorded AS209040 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS209040\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 'AS208189 - AS214345'
as-block: AS208189 - 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: 2026-02-12T14:40:05Z
last-modified: 2026-02-12T14:40:05Z
source: RIPE
% Information related to 'AS209040'
% Abuse contact for 'AS209040' is 'abuse@sewikom.de'
aut-num: AS209040
as-name: ASseWi
org: ORG-SG107-RIPE
remarks: --------------------------------------------------------
remarks: # Transit - Core-Backbone
import: from AS33891 accept ANY
export: to AS33891 announce AS209040:as-sewikom
mp-import: afi ipv6.unicast from AS33891 action pref=100; accept ANY
mp-export: afi ipv6.unicast to AS33891 announce AS209040:as-sewikom
remarks: --------------------------------------------------------
admin-c: SWK-RIPE
tech-c: SWK-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: SEWIKOM-MNT
created: 2019-04-18T13:40:13Z
last-modified: 2025-09-22T07:59:59Z
source: RIPE
organisation: ORG-SG107-RIPE
org-name: SeWiKom GmbH
country: DE
reg-nr: District court Paderborn HRB 8516
org-type: LIR
address: Unter der Schirmeke 3
address: 37688
address: Beverungen
address: GERMANY
phone: +49 5273 3676 0
fax-no: +49 5273 3676 330
admin-c: SWK-RIPE
abuse-c: AH9171-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: SEWIKOM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: SEWIKOM-MNT
created: 2013-04-16T10:09:50Z
last-modified: 2026-05-13T07:24:54Z
source: RIPE # Filtered
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