ResearchRouting table, RPKI, IRR & looking glass

AS5550 Technical University of Gdansk, Academic Computer Center TASK

AS5550 (TASK-AS) is registered to Technical University of Gdansk, Academic Computer Center TASK in PL, through RIPE. It originates 2 prefixes in the global routing table.

1
IPv4 prefixes
1
IPv6 prefixes
65,536
IPv4 addresses
100%
RPKI valid

Who holds AS5550

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS5550
Handle
TASK-AS
Organization
Technical University of Gdansk, Academic Computer Center TASK
Country
PL
Registry
RIPE
ASPA
None published
WHOIS recordRIPE
% 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.
%       To receive output for a database update, use the "-B" flag.

% Information related to 'AS5537 - AS5631'

as-block:       AS5537 - AS5631
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:        2018-11-22T15:27:22Z
last-modified:  2018-11-22T15:27:22Z
source:         RIPE

% Information related to 'AS5550'

% Abuse contact for 'AS5550' is 'abuse@task.gda.pl'

aut-num:        AS5550
as-name:        TASK-AS
descr:          Gdansk University of Technology
descr:          Academic Computer Center TASK
descr:          ul. Narutowicza 11/12
descr:          80-233 Gdansk
descr:          Poland
org:            ORG-TUoG1-RIPE
import:         from AS12831 accept ANY
import:         from AS8501 accept ANY
import:         from AS196844 accept ANY
import:         from AS12827 accept AS12827
import:         from AS5617 accept AS5617
import:         from AS29535 accept AS29535
import:         from AS24748 accept ANY
import:         from AS8246 accept ANY
import:         from AS12741 accept ANY
import:         from AS20804 accept ANY
import:         from AS20960 accept ANY
import:         from AS12968 accept ANY
import:         from AS197680 accept AS-PL-EPOKA-OUT
export:         to AS12831 announce ANY
export:         to AS8501 announce <AS5550:AS-TASK$>
export:         to AS196844 announce AS5550
export:         to AS12827 announce AS5550 AS12831
export:         to AS5617 announce AS5550
export:         to AS29535 announce AS5550
export:         to AS24748 announce AS5550 AS12831
export:         to AS8246 announce AS5550 AS12831
export:         to AS12741 announce AS5550 AS12831
export:         to AS20804 announce AS5550 AS12831
export:         to AS20960 announce AS5550 AS12831
export:         to AS12968 announce AS5550 AS12831
export:         to AS197680 announce ANY
admin-c:        MN413-RIPE
admin-c:        SP547-RIPE
tech-c:         DK3003-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         AS5550-MNT
mnt-by:         TASK-GDA-PL-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2019-11-25T09:22:17Z
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

person:         Dariusz Klimowicz
address:        Academic Computer Center TASK
address:        Gdansk University of Technology
address:        ul. Narutowicza 11/12
address:        80-233 Gdansk
address:        Poland
phone:          +48 58 3472321
fax-no:         +48 58 3471006
nic-hdl:        DK3003-RIPE
mnt-by:         TASK-GDA-PL-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2013-12-17T08:58:16Z
source:         RIPE # Filtered

person:         Mscislaw Nakonieczny
address:        Politechnika Gdanska
address:        ul. Narutowicza 11/12
address:        80-952 Gdansk
address:        POLAND
phone:          +48 58 472411
fax-no:         +48 58 472411
nic-hdl:        MN413-RIPE
mnt-by:         TPNET
created:        1970-01-01T00:00:00Z
last-modified:  2002-11-08T14:41:48Z
source:         RIPE # Filtered

person:         Slawomir Polomski
address:        Academic Computer Center TASK
address:        Gdansk University of Technology
addr

What AS5550 announces

Prefixes originated by AS5550 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
1
IPv6 prefixes
1
IPv4 addresses
65,536 (256 /24s)
RPKI valid
2 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS5550
2
With an IRR route object
2 100%

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

IPv4 (1)
IPv6 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS5550 is reached through

The AS just before AS5550 in the paths our looking glass collectors hold, for 2 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.