203924 BUERODATA, 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 19491 AS203924 ORIGIN Originate: 3328 /20.30 Transit: 0 /0.00 BUERODATA, 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 % 7868 AS203924 BUERODATA, DE 11 10 4 5 6 54.55% Prefix AS Path Aggregation Suggestion 85.117.252.0/22 4777 2516 33891 203924 + Announce - aggregate of 85.117.252.0/23 (4777 2516 33891 203924) and 85.117.254.0/23 (4777 2516 33891 203924) 85.117.252.0/23 4777 2516 33891 203924 - Withdrawn - aggregated with 85.117.254.0/23 (4777 2516 33891 203924) 85.117.254.0/23 4777 2516 33891 203924 - Withdrawn - aggregated with 85.117.252.0/23 (4777 2516 33891 203924) 185.113.144.0/22 4777 2516 33891 203924 + Announce - aggregate of 185.113.144.0/23 (4777 2516 33891 203924) and 185.113.146.0/23 (4777 2516 33891 203924) 185.113.144.0/24 4777 2516 33891 203924 - Withdrawn - aggregated with 185.113.145.0/24 (4777 2516 33891 203924) 185.113.145.0/24 4777 2516 33891 203924 - Withdrawn - aggregated with 185.113.144.0/24 (4777 2516 33891 203924) 185.113.146.0/24 4777 2516 33891 203924 - Withdrawn - aggregated with 185.113.147.0/24 (4777 2516 33891 203924) 185.113.147.0/24 4777 2516 33891 203924 - Withdrawn - aggregated with 185.113.146.0/24 (4777 2516 33891 203924) 185.146.36.0/23 4777 2516 33891 203924 + Announce - aggregate of 185.146.36.0/24 (4777 2516 33891 203924) and 185.146.37.0/24 (4777 2516 33891 203924) 185.146.36.0/24 4777 2516 33891 203924 - Withdrawn - aggregated with 185.146.37.0/24 (4777 2516 33891 203924) 185.146.37.0/24 4777 2516 33891 203924 - Withdrawn - aggregated with 185.146.36.0/24 (4777 2516 33891 203924) 185.216.120.0/23 4777 2516 33891 203924 + Announce - aggregate of 185.216.120.0/24 (4777 2516 33891 203924) and 185.216.121.0/24 (4777 2516 33891 203924) 185.216.120.0/24 4777 2516 33891 203924 - Withdrawn - aggregated with 185.216.121.0/24 (4777 2516 33891 203924) 185.216.121.0/24 4777 2516 33891 203924 - Withdrawn - aggregated with 185.216.120.0/24 (4777 2516 33891 203924) 193.105.0.0/24 4777 2516 33891 203924
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS203924 10 More Specifics 11 Total Advertisements BUERODATA, DE
85.117.252.0/23 85.117.252.0/22
85.117.254.0/23 85.117.252.0/22
185.113.144.0/24 185.113.144.0/22
185.113.145.0/24 185.113.144.0/22
185.113.146.0/24 185.113.144.0/22
185.113.147.0/24 185.113.144.0/22
185.146.36.0/24 185.146.36.0/22
185.146.37.0/24 185.146.36.0/22
185.216.120.0/24 185.216.120.0/22
185.216.121.0/24 185.216.120.0/22
whois: 402332
IANA has recorded AS203924 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS203924\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 'AS203889 - AS203938'
as-block: AS203889 - AS203938
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: 2026-03-05T15:29:31Z
last-modified: 2026-03-05T15:29:31Z
source: RIPE
% Information related to 'AS203924'
% Abuse contact for 'AS203924' is 'nmc@buerodata.de'
aut-num: AS203924
as-name: buerodata
org: ORG-BA807-RIPE
import: from AS33891 accept ANY
export: to AS33891 announce AS203924
export: to AS33891 announce AS204672
import: from AS204672 accept ANY
export: to AS204672 announce ANY
mp-import: afi ipv6.unicast from AS33891 accept ANY
mp-export: afi ipv6.unicast to AS33891 announce AS203924
mp-export: afi ipv6.unicast to AS33891 announce AS198726
mp-import: afi ipv6.unicast from AS198726 accept ANY
mp-export: afi ipv6.unicast to AS198726 announce ANY
admin-c: BR3636-RIPE
tech-c: BR3636-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: de-buerodata-1-mnt
created: 2015-10-02T14:25:48Z
last-modified: 2018-09-04T11:40:24Z
source: RIPE
organisation: ORG-BA807-RIPE
org-name: buerodata AG
country: DE
org-type: LIR
address: Vredenerstrasse 119
address: 48703
address: Stadtlohn
address: GERMANY
phone: +49 2563 9305 0
admin-c: RL10950-RIPE
abuse-c: AR33108-RIPE
mnt-ref: de-buerodata-1-mnt
mnt-by: RIPE-NCC-HM-MNT
mnt-by: de-buerodata-1-mnt
mnt-ref: RIPE-NCC-HM-MNT
created: 2015-08-04T15:28:28Z
last-modified: 2023-02-06T19:34:09Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
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