12831 TASK-AS, PL
Adjacency: 15 Upstream: 2 Downstream: 13
Upstream Adjacent AS list
AS196844 PIONIER-AS-AMS-IX PIONIER, National Research and Education Network in Poland, PL
AS13293 PIONIER-AS-COM PIONIER, PL
Downstream Adjacent AS list
AS198613 UMG-AS, PL
AS29103 GSR Gdansk, Poland, PL
AS204360 SUMPTO-, PL
AS51976 JP-TELEKOM-AS, PL
AS43681 UMSOPOT, PL
AS34409 POLSKAPRESS-AS, PL
AS50828 GPEC, PL
AS211293 -Reserved AS-, ZZ
AS48859 NPC-AS, PL
AS34069 RADIOGDANSK-AS, PL
AS31683 ZMPG-AS, PL
AS56408 AIRPORT_GDANSK-AS, PL
AS197656 ATENA-SOPOT-AS, PL
Rank AS Type Originate Addr Space (pfx) Transit Addr space (pfx) Description 5642 AS12831 ORG+TRN Originate: 29184 /17.17 Transit: 1792 /21.19 TASK-AS, PL
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 % 9897 AS12831 TASK-AS, PL 12 6 2 8 4 33.33% Prefix AS Path Aggregation Suggestion 89.191.160.0/19 6939 196844 12831 + Announce - aggregate of 89.191.160.0/20 (6939 196844 12831) and 89.191.176.0/20 (6939 196844 12831) 89.191.160.0/20 6939 196844 12831 - Withdrawn - aggregated with 89.191.176.0/20 (6939 196844 12831) 89.191.176.0/20 6939 196844 12831 - Withdrawn - aggregated with 89.191.160.0/20 (6939 196844 12831) 91.194.106.0/23 6939 196844 12831 91.209.116.0/24 6939 196844 12831 91.221.26.0/23 6939 196844 12831 91.244.248.0/22 6939 196844 12831 178.217.248.0/21 6939 196844 12831 194.169.236.0/24 6939 196844 12831 213.192.64.0/18 6939 196844 12831 + Announce - aggregate of 213.192.64.0/19 (6939 196844 12831) and 213.192.96.0/19 (6939 196844 12831) 213.192.64.0/20 6939 196844 12831 - Withdrawn - aggregated with 213.192.80.0/20 (6939 196844 12831) 213.192.80.0/20 6939 196844 12831 - Withdrawn - aggregated with 213.192.64.0/20 (6939 196844 12831) 213.192.96.0/20 6939 196844 12831 - Withdrawn - aggregated with 213.192.112.0/20 (6939 196844 12831) 213.192.112.0/20 6939 196844 12831 - Withdrawn - aggregated with 213.192.96.0/20 (6939 196844 12831)
Advertisements that are fragments of the original RIR allocation (more specifics) originated by this AS.
AS12831 5 More Specifics 11 Total Advertisements TASK-AS, PL
89.191.176.0/20 89.191.160.0/19
213.192.64.0/20 213.192.64.0/18
213.192.80.0/20 213.192.64.0/18
213.192.96.0/20 213.192.64.0/18
213.192.112.0/20 213.192.64.0/18
whois: 402551
IANA has recorded AS12831 as originally allocated by
/usr/bin/whois -h jwhois.apnic.netr "AS12831\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 'AS12557 - AS13223'
as-block: AS12557 - AS13223
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: 2018-11-22T15:27:24Z
last-modified: 2018-11-22T15:27:24Z
source: RIPE
% Information related to 'AS12831'
% Abuse contact for 'AS12831' is 'abuse@task.gda.pl'
aut-num: AS12831
as-name: TASK-AS
remarks: Gdansk University of Technology
remarks: Academic Computer Center TASK
remarks: ul. Narutowicza 11/12
remarks: 80-233 Gdansk
remarks: Poland
import: from AS5550 accept ANY
import: from AS13293 accept ANY
import: from AS35628 accept ANY
import: from AS196844 accept ANY
import: from AS12827 accept AS12827
import: from AS31683 accept AS31683
import: from AS197680 accept AS-PL-EPOKA-OUT
export: to AS5550 announce ANY
export: to AS13293 announce
export: to AS35628 announce
export: to AS196844 announce ANY
export: to AS12827 announce ANY
export: to AS31683 announce ANY
export: to AS197680 announce ANY
org: ORG-TUoG1-RIPE
admin-c: SP547-RIPE
tech-c: DK3003-RIPE
status: ASSIGNED
mnt-by: RIPE-NCC-END-MNT
mnt-by: TASK-GDA-PL-MNT
created: 1970-01-01T00:00:00Z
last-modified: 2019-11-25T09:23:50Z
source: RIPE # Filtered
organisation: ORG-TUoG1-RIPE
org-name: Technical University of Gdansk, Academic Computer Center TASK
country: PL
reg-nr: 000001620
org-type: LIR
address: ul.Narutowicza 11/12
address: 80-233
address: Gdansk
address: POLAND
phone: +48583471077
fax-no: +48583471006
admin-c: DK3003-RIPE
admin-c: SP547-RIPE
mnt-ref: AS5550-MNT
mnt-ref: TASK-GDA-PL-MNT
mnt-ref: RIPE-NCC-HM-MNT
mnt-by: RIPE-NCC-HM-MNT
mnt-by: TASK-GDA-PL-MNT
abuse-c: TASK2-RIPE
created: 2004-04-17T11:48:10Z
last-modified: 2026-05-13T07:19:43Z
source: RIPE # Filtered
%ERROR:201: access denied for 2401:2000:6660:0:0:0:0:13
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