39563 UCSYSTEMS - CTA Systems B.V., NL
Adjacency: 4 Upstream: 4 Downstream: 0
Upstream Adjacent AS list
AS20562 OPEN-PEERING-AS - Broadband Hosting B.V., NL
AS35133 ERANIUM - Eranium B.V., NL
AS24785 JOINTTRANSIT-AS - Broadband Hosting B.V., NL
AS43350 NFORCE - NForce Entertainment B.V., NL
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 23248 AS39563 ORIGIN Originate: 2304 /20.83 Transit: 0 /0.00 UCSYSTEMS - CTA Systems B.V., NL
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 % 7278 AS39563 UCSYSTEMS - CTA Systems B.V., NL 9 8 2 3 6 66.67% Prefix AS Path Aggregation Suggestion 85.8.131.0/24 4608 7575 3356 43350 39563 185.80.8.0/22 4777 2516 6830 24785 39563 + Announce - aggregate of 185.80.8.0/23 (4777 2516 6830 24785 39563) and 185.80.10.0/23 (4777 2516 6830 24785 39563) 185.80.8.0/24 4777 2516 6830 24785 39563 - Withdrawn - aggregated with 185.80.9.0/24 (4777 2516 6830 24785 39563) 185.80.9.0/24 4777 2516 6830 24785 39563 - Withdrawn - aggregated with 185.80.8.0/24 (4777 2516 6830 24785 39563) 185.80.10.0/24 4777 2516 6830 24785 39563 - Withdrawn - aggregated with 185.80.11.0/24 (4777 2516 6830 24785 39563) 185.80.11.0/24 4777 2516 6830 24785 39563 - Withdrawn - aggregated with 185.80.10.0/24 (4777 2516 6830 24785 39563) 185.231.16.0/22 4777 2516 6830 24785 39563 + Announce - aggregate of 185.231.16.0/23 (4777 2516 6830 24785 39563) and 185.231.18.0/23 (4777 2516 6830 24785 39563) 185.231.16.0/24 4777 2516 6830 24785 39563 - Withdrawn - aggregated with 185.231.17.0/24 (4777 2516 6830 24785 39563) 185.231.17.0/24 4777 2516 6830 24785 39563 - Withdrawn - aggregated with 185.231.16.0/24 (4777 2516 6830 24785 39563) 185.231.18.0/24 4777 2516 6830 24785 39563 - Withdrawn - aggregated with 185.231.19.0/24 (4777 2516 6830 24785 39563) 185.231.19.0/24 4777 2516 6830 24785 39563 - Withdrawn - aggregated with 185.231.18.0/24 (4777 2516 6830 24785 39563)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS39563 8 More Specifics 9 Total Advertisements UCSYSTEMS - CTA Systems B.V., NL
185.80.8.0/24 185.80.8.0/22
185.80.9.0/24 185.80.8.0/22
185.80.10.0/24 185.80.8.0/22
185.80.11.0/24 185.80.8.0/22
185.231.16.0/24 185.231.16.0/22
185.231.17.0/24 185.231.16.0/22
185.231.18.0/24 185.231.16.0/22
185.231.19.0/24 185.231.16.0/22
whois: 402591
IANA has recorded AS39563 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS39563\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 'AS38912 - AS39599'
as-block: AS38912 - AS39599
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: 2023-08-29T07:47:54Z
last-modified: 2023-08-29T07:47:54Z
source: RIPE
% Information related to 'AS39563'
% Abuse contact for 'AS39563' is 'abuse@ucsystems.nl'
aut-num: AS39563
as-name: UCSYSTEMS
org: ORG-CSB11-RIPE
import: from AS28685 accept ANY
export: to AS28685 announce AS39563
import: from AS43350 accept ANY
export: to AS43350 announce AS-UCSYSTEMS
admin-c: UCS9-RIPE
tech-c: UCS9-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: UCSYSTEMS-MNT
created: 2017-11-10T15:15:11Z
last-modified: 2021-06-25T17:02:17Z
source: RIPE
organisation: ORG-CSB11-RIPE
org-name: CTA Systems B.V.
descr: UC Systems
country: NL
reg-nr: 23073402
org-type: LIR
address: Kade 64
address: 3371 EP
address: Hardinxveld-Giessendam
address: NETHERLANDS
phone: +31886666333
admin-c: UCS9-RIPE
admin-c: MR16748-RIPE
tech-c: UCS9-RIPE
tech-c: MR16748-RIPE
abuse-c: AR43752-RIPE
mnt-ref: UCSYSTEMS-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: UCSYSTEMS-MNT
created: 2017-11-07T10:36:53Z
last-modified: 2026-05-13T07:10:02Z
source: RIPE # Filtered
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