50897 AS-IMTA-BREST - AS-IMTA-BREST, FR
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS2200 FR-RENATER - Renater, FR
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 36664 AS50897 ORIGIN Originate: 1024 /22.00 Transit: 0 /0.00 AS-IMTA-BREST - AS-IMTA-BREST, FR
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 % 23466 AS50897 AS-IMTA-BREST - AS-IMTA-BREST, FR 4 2 1 3 1 25.00% Prefix AS Path Aggregation Suggestion 192.44.75.0/24 4777 2516 6762 2200 50897 192.108.115.0/24 4777 2516 6762 2200 50897 192.108.116.0/23 4777 2516 6762 2200 50897 + Announce - aggregate of 192.108.116.0/24 (4777 2516 6762 2200 50897) and 192.108.117.0/24 (4777 2516 6762 2200 50897) 192.108.116.0/24 4777 2516 6762 2200 50897 - Withdrawn - aggregated with 192.108.117.0/24 (4777 2516 6762 2200 50897) 192.108.117.0/24 4777 2516 6762 2200 50897 - Withdrawn - aggregated with 192.108.116.0/24 (4777 2516 6762 2200 50897)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS50897 2 More Specifics 4 Total Advertisements AS-IMTA-BREST - AS-IMTA-BREST, FR
192.108.116.0/24 192.108.116.0/22
192.108.117.0/24 192.108.116.0/22
whois: 402609
IANA has recorded AS50897 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS50897\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 'AS50893 - AS51311'
as-block: AS50893 - AS51311
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: 2024-12-10T14:54:30Z
last-modified: 2024-12-10T14:54:30Z
source: RIPE
% Information related to 'AS50897'
% Abuse contact for 'AS50897' is 'abuse@imt-atlantique.fr'
aut-num: AS50897
as-name: AS-IMTA-BREST
descr: IMTA, Campus de Brest
org: ORG-ENSd14-RIPE
import: from as202669 accept ANY
import: from AS2200 accept ANY
export: to as202669 announce AS50897
export: to AS2200 announce AS50897
import: from AS44407 accept ANY
export: to AS44407 announce AS50897
admin-c: DT584-RIPE
tech-c: AT1240-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: TELECOM-BRETAGNE-MNT
mnt-by: IMT-ATLANTIQUE-MNT
created: 2010-04-16T12:04:07Z
last-modified: 2026-04-28T15:07:18Z
source: RIPE # Filtered
sponsoring-org: ORG-CIS15-RIPE
organisation: ORG-ENSD14-RIPE
org-name: Institut Mines Telecom (IMT) Atlantique - Bretagne - Pays de la Loire
country: FR
reg-nr: Not Applicable
org-type: OTHER
address: Technopole Brest-Iroise
address: CS 83818
address: 29238 Brest Cedex 3
address: FRANCE
abuse-c: TBA14-RIPE
mnt-ref: RENATER-MNT
mnt-by: RENATER-MNT
remarks: changed: hostmaster@arin.net 19910724
remarks: changed: hostmaster@arin.org 19940310
remarks: changed: er-transfer@ripe.net 20041103
remarks: changed: ripe-dbm@ripe.net 20070102
remarks: changed: er-transfer@ripe.net 20091216
remarks: changed: ripe-dbm@ripe.net 20190401
remarks: changed: rensvp@renater.fr 20190402
created: 2004-11-03T16:37:08Z
last-modified: 2026-05-19T09:35:11Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
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% Access from your host has been temporarily denied.
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% This query was served by the RIPE Database Query Service version 1.122.1 (SHETLAND)