15518 CIRC-AS Schulze-Delitzsch-Str.36, DE
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS5400 BT, GB
AS8220 COLT COLT Technology Services Group Limited, GB
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 11739 AS15518 ORIGIN Originate: 8192 /19.00 Transit: 0 /0.00 CIRC-AS Schulze-Delitzsch-Str.36, 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 % 34109 AS15518 CIRC-AS Schulze-Delitzsch-Str.36, DE 5 0 0 5 0 0.00% Prefix AS Path Aggregation Suggestion 212.86.160.0/20 37100 5400 15518 212.86.180.0/22 37100 5400 15518 212.86.188.0/22 37100 5400 15518 213.153.64.0/22 37100 5400 15518 213.153.72.0/22 37100 5400 15518
whois: 402590
IANA has recorded AS15518 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS15518\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 'AS15476 - AS15705'
as-block: AS15476 - AS15705
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: 2018-11-22T15:27:25Z
last-modified: 2018-11-22T15:27:25Z
source: RIPE
% Information related to 'AS15518'
% Abuse contact for 'AS15518' is 'guardian@circular.net'
aut-num: AS15518
as-name: CIRC-AS
descr: Schulze-Delitzsch-Str.36
descr: 70565 Stuttgart
descr: Germany
org: ORG-cIG1-RIPE
import: from AS8220 action pref=100; accept ANY
import: from AS5400 action pref=100; accept ANY
export: to AS8220 announce AS15518
export: to AS5400 announce AS15518
default: to AS5400 action pref=10; networks ANY
admin-c: CIR-RIPE
tech-c: CIR-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
remarks: AS220 COLT Internet
remarks: AS5400 BT
mnt-by: CIRCULAR-NOC
mnt-by: CIRCULAR-NET
created: 2002-08-22T16:07:20Z
last-modified: 2025-10-24T11:09:21Z
source: RIPE
organisation: ORG-cIG1-RIPE
org-name: Circular Informationssysteme GmbH
country: DE
reg-nr: District court Stuttgart HRB 17442
org-type: LIR
address: Schulze-Delitzsch-Strasse 36
address: D-70565
address: Stuttgart
address: GERMANY
phone: +49 711 787170
admin-c: HAB-RIPE
admin-c: RB121-RIPE
tech-c: CIR-RIPE
abuse-c: CG623-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: CIRCULAR-NOC
mnt-by: RIPE-NCC-HM-MNT
mnt-by: CIRCULAR-NOC
created: 2004-04-17T11:05:59Z
last-modified: 2026-05-13T07:25:44Z
source: RIPE # Filtered
fax-no: +49 711 7871729
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
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% This query was served by the RIPE Database Query Service version 1.122.1 (DEXTER)