197143 NETCEN, TR
Adjacency: 2 Upstream: 2 Downstream: 0
Upstream Adjacent AS list
AS15924 BORUSANTELEKOM-AS, TR
AS9121 TTNET, TR
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 20491 AS197143 ORIGIN Originate: 3072 /20.42 Transit: 0 /0.00 NETCEN, TR
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 % 5234 AS197143 NETCEN, TR 12 12 2 2 10 83.33% Prefix AS Path Aggregation Suggestion 46.245.160.0/21 2914 9121 197143 + Announce - aggregate of 46.245.160.0/22 (2914 9121 197143) and 46.245.164.0/22 (2914 9121 197143) 46.245.160.0/24 2914 9121 197143 - Withdrawn - aggregated with 46.245.161.0/24 (2914 9121 197143) 46.245.161.0/24 2914 9121 197143 - Withdrawn - aggregated with 46.245.160.0/24 (2914 9121 197143) 46.245.162.0/24 2914 9121 197143 - Withdrawn - aggregated with 46.245.163.0/24 (2914 9121 197143) 46.245.163.0/24 2914 9121 197143 - Withdrawn - aggregated with 46.245.162.0/24 (2914 9121 197143) 46.245.164.0/24 2914 9121 197143 - Withdrawn - aggregated with 46.245.165.0/24 (2914 9121 197143) 46.245.165.0/24 2914 9121 197143 - Withdrawn - aggregated with 46.245.164.0/24 (2914 9121 197143) 46.245.166.0/24 2914 9121 197143 - Withdrawn - aggregated with 46.245.167.0/24 (2914 9121 197143) 46.245.167.0/24 2914 9121 197143 - Withdrawn - aggregated with 46.245.166.0/24 (2914 9121 197143) 185.33.128.0/22 2914 9121 197143 + Announce - aggregate of 185.33.128.0/23 (2914 9121 197143) and 185.33.130.0/23 (2914 9121 197143) 185.33.128.0/24 2914 9121 197143 - Withdrawn - aggregated with 185.33.129.0/24 (2914 9121 197143) 185.33.129.0/24 2914 9121 197143 - Withdrawn - aggregated with 185.33.128.0/24 (2914 9121 197143) 185.33.130.0/24 2914 9121 197143 - Withdrawn - aggregated with 185.33.131.0/24 (2914 9121 197143) 185.33.131.0/24 2914 9121 197143 - Withdrawn - aggregated with 185.33.130.0/24 (2914 9121 197143)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS197143 16 More Specifics 16 Total Advertisements NETCEN, TR
46.245.160.0/24 46.245.160.0/21
46.245.161.0/24 46.245.160.0/21
46.245.162.0/24 46.245.160.0/21
46.245.163.0/24 46.245.160.0/21
46.245.164.0/24 46.245.160.0/21
46.245.165.0/24 46.245.160.0/21
46.245.166.0/24 46.245.160.0/21
46.245.167.0/24 46.245.160.0/21
185.33.128.0/24 185.33.128.0/22
185.33.129.0/24 185.33.128.0/22
185.33.130.0/24 185.33.128.0/22
185.33.131.0/24 185.33.128.0/22
185.218.216.0/24 185.218.216.0/22
185.218.217.0/24 185.218.216.0/22
185.218.218.0/24 185.218.216.0/22
185.218.219.0/24 185.218.216.0/22
whois: 402603
IANA has recorded AS197143 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS197143\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 'AS196608 - AS197840'
as-block: AS196608 - AS197840
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: 2024-09-04T14:04:38Z
last-modified: 2024-09-04T14:04:38Z
source: RIPE
% Information related to 'AS197143'
% Abuse contact for 'AS197143' is 'abuse@netcen.nl'
aut-num: AS197143
as-name: NETCEN
org: ORG-NTLS1-RIPE
import: from AS9121 accept ANY
import: from AS42910 accept ANY
import: from AS50673 accept ANY
import: from AS15924 accept ANY
export: to AS9121 announce AS197143
export: to AS42910 announce AS197143
export: to AS50673 announce AS197143
export: to AS15924 announce AS197143
admin-c: NA3032-RIPE
tech-c: NA3032-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: MNT-NETCEN
created: 2011-02-03T09:48:06Z
last-modified: 2025-10-13T17:53:38Z
source: RIPE # Filtered
organisation: ORG-NTLS1-RIPE
org-name: Netcen Teknoloji Ltd. Sti
country: TR
reg-nr: 685449
org-type: LIR
address: Defterdar mh Otakcilar cd No 78/19 Zemin Kat Flat Ofis Eyup
address: 34030
address: istanbul
address: TURKEY
phone: +908503333787
phone: +905327329696
fax-no: +908503333788
abuse-c: NAH16-RIPE
mnt-ref: RIPE-NCC-HM-MNT
mnt-ref: MNT-NETCEN
mnt-by: RIPE-NCC-HM-MNT
mnt-by: MNT-NETCEN
created: 2010-12-13T16:04:48Z
last-modified: 2026-05-13T07:33:21Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
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% This query was served by the RIPE Database Query Service version 1.122.1 (DEXTER)