5520 UNI-KOELN, DE
Adjacency: 1 Upstream: 1 Downstream: 0
Upstream Adjacent AS list
AS680 DFN Verein zur Foerderung eines Deutschen Forschungsnetzes e.V., DE
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 3152 AS5520 ORIGIN Originate: 68096 /15.94 Transit: 0 /0.00 UNI-KOELN, 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 % 31387 AS5520 UNI-KOELN, DE 6 0 0 6 0 0.00% Prefix AS Path Aggregation Suggestion 134.95.0.0/16 3303 680 5520 134.107.209.0/24 3303 680 5520 134.107.216.0/23 3303 680 5520 134.107.225.0/24 3303 680 5520 134.107.226.0/23 3303 680 5520 185.240.116.0/22 3303 680 5520
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS5520 4 More Specifics 6 Total Advertisements UNI-KOELN, DE
134.107.209.0/24 134.107.0.0/16
134.107.216.0/23 134.107.0.0/16
134.107.225.0/24 134.107.0.0/16
134.107.226.0/23 134.107.0.0/16
whois: 402590
IANA has recorded AS5520 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS5520\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 'AS5377 - AS5535'
as-block: AS5377 - AS5535
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: 2018-11-22T15:27:22Z
last-modified: 2018-11-22T15:27:22Z
source: RIPE
% Information related to 'AS5520'
% Abuse contact for 'AS5520' is 'abuse@uni-koeln.de'
aut-num: AS5520
abuse-c: IUZK1-RIPE
as-name: UNI-KOELN
org: ORG-UzK1-RIPE
import: from AS8422 action pref=75; accept AS8422 AS13282
export: to AS8422 announce AS5520
default: to AS8422
admin-c: IUZK1-RIPE
tech-c: IUZK1-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
tech-c: SH13036-RIPE
mnt-by: AS5520-MNT
created: 2002-02-04T14:45:39Z
last-modified: 2022-07-26T10:39:33Z
source: RIPE # Filtered
organisation: ORG-UzK1-RIPE
org-name: Universitaet zu Koeln
country: DE
reg-nr: Not Applicable
org-type: LIR
address: Weyertal 121
address: 50931
address: Koeln
address: GERMANY
phone: +4922147089555
admin-c: SH13036-RIPE
admin-c: GB24861-RIPE
tech-c: SH13036-RIPE
abuse-c: AR14768-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: AS5520-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: AS5520-MNT
created: 2010-11-10T10:28:58Z
last-modified: 2026-05-13T07:33:00Z
source: RIPE # Filtered
role: ITCC Universitaet zu Koeln
address: Universitaet zu Koeln
address: ITCC, Abteilung Netzwerk-Infrastruktur
address: Weyertal 121
address: 50931 Koeln
nic-hdl: IUZK1-RIPE
mnt-by: AS5520-MNT
created: 2022-07-26T10:23:31Z
last-modified: 2022-07-26T10:26:39Z
source: RIPE # Filtered
abuse-mailbox: abuse@uni-koeln.de
phone: +49 221 470-89555
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
%
% Queries from your IP address have passed the daily limit of controlled objects.
% Access from your host has been temporarily denied.
% For more information, see
% https://docs.db.ripe.net/FAQ#why-did-i-receive-an-error-201-access-denied
% This query was served by the RIPE Database Query Service version 1.122.1 (BUSA)