50522 SEWAN-NL - Sewan Nederland B.V., NL
Adjacency: 4 Upstream: 2 Downstream: 2
Upstream Adjacent AS list
AS3356 LEVEL3 - Level 3 Parent, LLC, US
AS1299 TWELVE99 - Arelion Sweden AB, SE
Downstream Adjacent AS list
AS200342 AS-24X7ICT - 24x7 Hosting B.V., NL
AS201117 ZeroPlex - ZeroPlex B.V., NL
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 7870 AS50522 ORG+TRN Originate: 16384 /18.00 Transit: 768 /22.42 SEWAN-NL - Sewan Nederland 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 % 46724 AS50522 SEWAN-NL - Sewan Nederland B.V., NL 11 0 0 11 0 0.00% Prefix AS Path Aggregation Suggestion 81.23.244.0/22 4608 7575 3356 50522 50522 81.173.0.0/22 4608 7575 3356 50522 50522 81.173.7.0/24 4608 7575 3356 50522 50522 81.173.32.0/22 4608 7575 3356 50522 50522 81.173.48.0/20 4608 7575 3356 50522 50522 81.173.64.0/20 4608 7575 3356 50522 50522 81.173.96.0/22 4608 7575 3356 50522 50522 81.173.125.0/24 4608 7575 3356 50522 50522 81.173.126.0/23 4608 7575 3356 50522 50522 109.235.32.0/21 4608 7575 3356 50522 50522 185.61.68.0/22 4608 7575 3356 50522 50522
whois: 402628
IANA has recorded AS50522 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS50522\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 'AS50220 - AS50841'
as-block: AS50220 - AS50841
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: 2024-08-12T14:10:44Z
last-modified: 2024-08-12T14:10:44Z
source: RIPE
% Information related to 'AS50522'
% Abuse contact for 'AS50522' is 'abuse@sewan.nl'
aut-num: AS50522
as-name: SEWAN-NL
org: ORG-PB32-RIPE
remarks: Transits
import: from AS1299 action pref=100; accept ANY
export: to AS1299 announce AS50522:AS-SEWAN-NL
import: from AS3356 action pref=100; accept ANY
export: to AS3356 announce AS-POCOS
remarks: Peering
import: from AS20562 action pref=100; accept ANY
export: to AS20562 announce AS50522:AS-SEWAN-NL
import: from AS6939 action pref=160; accept ANY
export: to AS6939 announce AS50522
import: from AS202120 action pref=170; accept ANY
export: to AS202120 announce AS-POCOS
import: from AS6777 action pref=150; accept ANY
export: to AS6777 announce ANY
import: from AS49685 action pref=160; accept ANY
export: to AS49685 announce AS-POCOS
import: from AS59865 action pref=1600; accept ANY
export: to AS59865 announce AS-POCOS
import: from AS20495 action pref=160; accept ANY
export: to AS20495 announce AS-POCOS
import: from AS49917 action pref=150; accept ANY
export: to AS49917 announce AS-POCOS
import: from AS206499 action pref=160; accept ANY
export: to AS206499 announce AS-POCOS
import: from AS15196 action pref=160; accept ANY
export: to AS15196 announce AS-POCOS
import: from AS41441 action pref=150; accept ANY
export: to AS41441 announce AS-POCOS
import: from AS34307 action pref=150; accept ANY
export: to AS34307 announce AS-POCOS
import: from AS20940 action pref=160; accept AS-AKAMAI
export: to AS20940 announce AS-POCOS
import: from AS714 action pref=160; accept AS-APPLE
export: to AS714 announce AS-POCOS
import: from AS13335 action pref=160; accept AS-CLOUDFLARE
export: to AS13335 announce AS-POCOS
import: from AS3265 action pref=160; accept ANY
export: to AS3265 announce AS-POCOS
import: from AS42 action pref=160; accept ANY
export: to AS42 announce AS-POCOS
import: from AS3856 action pref=160; accept ANY
export: to AS3856 announce AS-POCOS
import: from AS8075 action pref=160; accept ANY
export: to AS8075 announce AS-POCOS
import: from AS32934 action pref=160; accept any
export: to AS32934 announce AS-POCOS
import: from AS42707 action pref=160; accept any
export: to AS42707 announce AS-POCOS
import: from AS39637 action pref=160; accept any
export: to AS39637 announce AS-POCOS
import: from AS24730 action pref=160; accept ANY
export: to AS24730 announce AS-POCOS
import: from AS9150 action pref=160; accept ANY
export: to AS9150 announce AS-POCOS
import: from AS57866 action pref=160; accept ANY
export: to AS57866 announce AS-POCOS
import: from AS2906 action pref=160; accept ANY
export: to AS2906 announce AS-POCOS
remarks: Customers
import: from AS207357 action pref=160; accept AS207357
export: to AS207357 announce ANY
import: from AS201117 action pref=160; accept AS201117
export: to AS201117 announce ANY
import: from AS200342 action pref=160; accept AS200342
export: to AS200342 announce ANY
admin-c: SWN50522
tech-c: SWN50522
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: SEWAN-NL-MNT
created: 2010-02-02T14:34:53Z
last-modified: 2026-05-11T21:14:35Z
source: RIPE # Filtered
organisation: ORG-PB32-RIPE
org-name: Sewan Nederland B.V.
country: NL
reg-nr: 17097024
org-type: LIR
address: Science Park 5218
address: 5692 EG
address: Son en Breugel
address: NETHERLANDS
phone: +31880100700
fax-no: +31880100799
admin-c: SWN50522
abuse-c: SWN50522
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: SEWAN-NL-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: POCOS-MNT
created: 2010-01-15T13:31:04Z
last-modified: 2026-05-13T07:20:34Z
source: RIPE # Filtered
role: SEWAN-NL-NOC
address: Science Park Eindhoven 5218, 5692 EG, Son en Breugel, Netherlands
phone: +31 88 0100700
admin-c: SH16106-RIPE
admin-c: SVZ58-RIPE
tech-c: SH16106-RIPE
tech-c: SVZ58-RIPE
abuse-mailbox: abuse@sewan.nl
nic-hdl: SWN50522
created: 2026-05-11T20:55:06Z
last-modified: 2026-05-11T21:17:43Z
source: RIPE # Filtered
mnt-by: SEWAN-NL-MNT
% This query was served by the RIPE Database Query Service version 1.122.1 (BUSA)