ResearchRouting table, RPKI, IRR & looking glass

AS8267 Academic Computer Centre CYFRONET AGH

AS8267 (CYFRONET-AS) is registered to Academic Computer Centre CYFRONET AGH in PL, through RIPE. It originates 7 prefixes in the global routing table.

6
IPv4 prefixes
1
IPv6 prefixes
76,544
IPv4 addresses
71%
RPKI valid

Who holds AS8267

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

AS number
AS8267
Handle
CYFRONET-AS
Organization
Academic Computer Centre CYFRONET AGH
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 'AS8192 - AS8523'

as-block:       AS8192 - AS8523
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:        2018-11-22T15:27:23Z
last-modified:  2018-11-22T15:27:23Z
source:         RIPE

% Information related to 'AS8267'

% Abuse contact for 'AS8267' is 'abuse@cyfronet.pl'

aut-num:        AS8267
as-name:        CYFRONET-AS
org:            ORG-ACCC1-RIPE
descr:          Metropolitan Area Network Autonomous System
descr:          Academic Computer Centre, CYFRONET
descr:          ul. Nawojki 11, 30-950 Krakow
remarks:
import:         from AS8501 action pref=150; accept ANY
export:         to AS8501 announce AS-CYFRONET
import:         from AS8323 action pref=0; accept ANY
export:         to AS8323 announce ANY
remarks:
import:         from AS6778 action pref=80; accept AS-TELBANK
import:         from AS12741 action pref=80; accept AS-NETIA
import:         from AS1887 action pref=50; accept AS8501:AS-NASK
import:         from AS5550 action pref=50; accept AS8501:AS-TASK
import:         from AS8508 action pref=50; accept AS-SASK-PEERINGS
import:         from AS8664 action pref=50; accept AS8501:AS-ICM
import:         from AS8970 action pref=50; accept AS8501:AS-Wroclaw
import:         from AS12324 action pref=50; accept AS8501:AS-Lublin
import:         from AS15373 action pref=50; accept AS8501:AS-Czestochowa
import:         from AS24848 action pref=50; accept AS8501:AS-Kielce
import:         from AS25468 action pref=50; accept AS8501:AS-Rzeszow
export:         to AS8267:AS-Peers announce AS-CYFRONET
remarks:
mp-import:      afi ipv6.unicast from AS8501 action pref=150; accept ANY
mp-export:      afi ipv6.unicast to AS8501 announce AS8267 AS8323
mp-import:      afi ipv6.unicast from AS786 action pref=150; accept ANY
mp-export:      afi ipv6.unicast to AS786 announce AS8267 AS8323
mp-import:      afi ipv6.unicast from AS323 action pref=0; accept ANY
mp-export:      afi ipv6.unicast to AS8323 announce ANY
mp-import:      afi ipv6.unicast from AS29155 action pref=80; accept AS29155
mp-export:      afi ipv6.unicast to AS786 announce AS8267 AS8323
mp-import:      afi ipv6.unicast from AS9112 action pref=80; accept AS9112
mp-export:      afi ipv6.unicast to AS786 announce AS8267 AS8323
remarks:
admin-c:        JP65-RIPE
tech-c:         JP65-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         AS8267-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2017-11-15T09:13:40Z
source:         RIPE

organisation:   ORG-ACCC1-RIPE
org-name:       Academic Computer Centre CYFRONET AGH
country:        PL
reg-nr:         00000157700022
org-type:       LIR
address:        Nawojki 11
address:        30-950
address:        KRAKOW
address:        POLAND
phone:          +48126323610
fax-no:         +48126341084
admin-c:        AC44835-RIPE
tech-c:         TC7583-RIPE
abuse-c:        ACC78-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        AS8323-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         AS8323-MNT
created:        2004-04-17T11:46:50Z
last-modified:  2026-05-13T07:32:01Z
source:         RIPE # Filtered

person:         Jerzy Pawlus
address:        Academic Computer Centre "CYFRONET AGH"
address:        ul. Nawojki 11
address:        30-950 Krakow
address:        Poland
phone:          +48 (12) 632-36-10
fax-no:         +48 (12) 634-10-84
nic-hdl:        JP65-RIPE
mnt-by:         AS8323-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2010-10-13T12:03:59Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.124.1 (BUSA)


What AS8267 announces

Prefixes originated by AS8267 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
6
IPv6 prefixes
1
IPv4 addresses
76,544 (299 /24s)
RPKI valid
5 71%
RPKI invalid
0
RPKI not found
2
ROAs naming AS8267
5
With an IRR route object
7 100%

Announced prefixes

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

Who AS8267 is reached through

The AS just before AS8267 in the paths our looking glass collectors hold, for 7 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.