39563 UCSYSTEMS, NL
Adjacency: 8 Upstream: 7 Downstream: 1
Upstream Adjacent AS list
AS28685 ASN-ROUTIT, NL
AS37100 SEACOM-AS, MU
AS20562 OPEN-PEERING-AS Open Peering Initiative, Amsterdam, The Netherlands, NL
AS35133 ERANIUM fka Hybula Network, NL
AS6939 HURRICANE, US
AS24785 JOINTTRANSIT-AS, NL
AS43350 NFORCE, NL
Downstream Adjacent AS list
AS35055 WI-CONNECT, NL
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 23626 AS39563 ORIGIN Originate: 2304 /20.83 Transit: 0 /0.00 UCSYSTEMS, 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 % 7512 AS39563 UCSYSTEMS, NL 9 8 2 3 6 66.67% Prefix AS Path Aggregation Suggestion 85.8.131.0/24 6939 39563 185.80.8.0/22 6939 39563 + Announce - aggregate of 185.80.8.0/23 (6939 39563) and 185.80.10.0/23 (6939 39563) 185.80.8.0/24 6939 39563 - Withdrawn - aggregated with 185.80.9.0/24 (6939 39563) 185.80.9.0/24 6939 39563 - Withdrawn - aggregated with 185.80.8.0/24 (6939 39563) 185.80.10.0/24 6939 39563 - Withdrawn - aggregated with 185.80.11.0/24 (6939 39563) 185.80.11.0/24 6939 39563 - Withdrawn - aggregated with 185.80.10.0/24 (6939 39563) 185.231.16.0/22 6939 39563 + Announce - aggregate of 185.231.16.0/23 (6939 39563) and 185.231.18.0/23 (6939 39563) 185.231.16.0/24 6939 39563 - Withdrawn - aggregated with 185.231.17.0/24 (6939 39563) 185.231.17.0/24 6939 39563 - Withdrawn - aggregated with 185.231.16.0/24 (6939 39563) 185.231.18.0/24 6939 39563 - Withdrawn - aggregated with 185.231.19.0/24 (6939 39563) 185.231.19.0/24 6939 39563 - Withdrawn - aggregated with 185.231.18.0/24 (6939 39563)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS39563 4 More Specifics 5 Total Advertisements UCSYSTEMS, NL
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
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
Prefixes added and withdrawn by this origin AS in the past 7 days.
- 185.80.8.0/24 Withdrawn
- 185.80.9.0/24 Withdrawn
- 185.80.10.0/24 Withdrawn
- 185.80.11.0/24 Withdrawn
whois: 402603
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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