13043 Bayer-AS - Bayer AG, DE
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS15830 Equinix - Equinix (EMEA) Acquisition Enterprises B.V., NL
AS32787 PROLEXIC-TECHNOLOGIES-DDOS-MITIGATION-NETWORK - Akamai Technologies, Inc., US
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 1395 AS13043 ORIGIN Originate: 184064 /14.51 Transit: 0 /0.00 Bayer-AS - Bayer AG, 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 % 5331 AS13043 Bayer-AS - Bayer AG, DE 31 12 3 22 9 29.03% Prefix AS Path Aggregation Suggestion 149.234.8.0/21 4608 7575 15830 13043 149.234.16.0/20 4608 7575 15830 13043 149.234.32.0/19 4608 7575 15830 13043 149.234.64.0/18 4608 7575 15830 13043 149.234.64.0/24 4777 32787 13043 164.59.0.0/16 4608 7575 15830 13043 164.59.128.0/23 4777 32787 13043 + Announce - aggregate of 164.59.128.0/24 (4777 32787 13043) and 164.59.129.0/24 (4777 32787 13043) 164.59.128.0/24 4777 32787 13043 - Withdrawn - aggregated with 164.59.129.0/24 (4777 32787 13043) 164.59.129.0/24 4777 32787 13043 - Withdrawn - aggregated with 164.59.128.0/24 (4777 32787 13043) 164.59.130.0/24 4777 32787 13043 164.59.136.0/21 4777 32787 13043 + Announce - aggregate of 164.59.136.0/22 (4777 32787 13043) and 164.59.140.0/22 (4777 32787 13043) 164.59.136.0/24 4777 32787 13043 - Withdrawn - aggregated with 164.59.137.0/24 (4777 32787 13043) 164.59.137.0/24 4777 32787 13043 - Withdrawn - aggregated with 164.59.136.0/24 (4777 32787 13043) 164.59.138.0/24 4777 32787 13043 - Withdrawn - aggregated with 164.59.139.0/24 (4777 32787 13043) 164.59.139.0/24 4777 32787 13043 - Withdrawn - aggregated with 164.59.138.0/24 (4777 32787 13043) 164.59.140.0/24 4777 32787 13043 - Withdrawn - aggregated with 164.59.141.0/24 (4777 32787 13043) 164.59.141.0/24 4777 32787 13043 - Withdrawn - aggregated with 164.59.140.0/24 (4777 32787 13043) 164.59.142.0/24 4777 32787 13043 - Withdrawn - aggregated with 164.59.143.0/24 (4777 32787 13043) 164.59.143.0/24 4777 32787 13043 - Withdrawn - aggregated with 164.59.142.0/24 (4777 32787 13043) 164.59.189.0/24 4777 32787 13043 164.59.190.0/24 4777 32787 13043 164.59.192.0/23 4777 32787 13043 + Announce - aggregate of 164.59.192.0/24 (4777 32787 13043) and 164.59.193.0/24 (4777 32787 13043) 164.59.192.0/24 4777 32787 13043 - Withdrawn - aggregated with 164.59.193.0/24 (4777 32787 13043) 164.59.193.0/24 4777 32787 13043 - Withdrawn - aggregated with 164.59.192.0/24 (4777 32787 13043) 164.59.208.0/24 4777 32787 13043 164.59.237.0/24 4777 32787 13043 164.59.255.0/24 4777 32787 13043 164.60.0.0/16 4608 7575 15830 13043 193.202.128.0/19 4608 7575 15830 13043 195.47.249.0/24 4777 32787 13043 212.64.224.0/19 4608 7575 15830 13043 212.64.225.0/24 4777 32787 13043 212.64.226.0/24 4777 32787 13043 212.64.229.0/24 4777 32787 13043
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS13043 22 More Specifics 31 Total Advertisements Bayer-AS - Bayer AG, DE
149.234.64.0/24 149.234.64.0/18
164.59.128.0/24 164.59.0.0/16
164.59.129.0/24 164.59.0.0/16
164.59.130.0/24 164.59.0.0/16
164.59.136.0/24 164.59.0.0/16
164.59.137.0/24 164.59.0.0/16
164.59.138.0/24 164.59.0.0/16
164.59.139.0/24 164.59.0.0/16
164.59.140.0/24 164.59.0.0/16
164.59.141.0/24 164.59.0.0/16
164.59.142.0/24 164.59.0.0/16
164.59.143.0/24 164.59.0.0/16
164.59.189.0/24 164.59.0.0/16
164.59.190.0/24 164.59.0.0/16
164.59.192.0/24 164.59.0.0/16
164.59.193.0/24 164.59.0.0/16
164.59.208.0/24 164.59.0.0/16
164.59.237.0/24 164.59.0.0/16
164.59.255.0/24 164.59.0.0/16
212.64.225.0/24 212.64.224.0/19
212.64.226.0/24 212.64.224.0/19
212.64.229.0/24 212.64.224.0/19
whois: 402603
IANA has recorded AS13043 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS13043\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 'AS12557 - AS13223'
as-block: AS12557 - AS13223
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: 2018-11-22T15:27:24Z
last-modified: 2018-11-22T15:27:24Z
source: RIPE
% Information related to 'AS13043'
% Abuse contact for 'AS13043' is 'abuse@bayer.com'
aut-num: AS13043
as-name: Bayer-AS
org: ORG-BAL1-RIPE
import: from AS702 action pref=100; accept ANY
import: from AS8220 action pref=100; accept ANY
export: to AS702 announce AS13043
export: to AS8220 announce AS13043
admin-c: BAYR2-RIPE
tech-c: BAYR-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
tech-c: BAYR3-RIPE
mnt-by: BAYER-MNT
created: 2002-08-19T14:11:34Z
last-modified: 2018-09-06T05:53:17Z
source: RIPE
organisation: ORG-BAL1-RIPE
org-name: Bayer AG
country: DE
reg-nr: District court Köln HRB 48248
org-type: LIR
address: 51368 Leverkusen
address: D-51368
address: Leverkusen
address: GERMANY
phone: +49 30 468 194234
admin-c: BAYR3-RIPE
admin-c: OJ1970
admin-c: BAYR2-RIPE
abuse-c: BAYR3-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: BAYER-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: BAYER-MNT
created: 2004-04-17T11:05:32Z
last-modified: 2026-05-13T07:26:20Z
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)