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	Prefix	Description
	193.193.64.0/19	Academic Computer Centre CYFRONET AGH
	194.8.45.0/24	ADEE Witold Rakoczy
	194.8.46.0/24	ADEE Witold Rakoczy
	195.150.0.0/17	Academic Computer Centre CYFRONET AGH
	195.150.128.0/18	Academic Computer Centre CYFRONET AGH
	2001:6d8::/29	Academic Computer Centre CYFRONET AGH
	2001:6df::/32	Academic Computer Centre CYFRONET AGH

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS13293	Institute of Bioorganic Chemistry Polish Academy of S...	✔	✔
	AS196844	Institute of Bioorganic Chemistry Polish Academy of S...	✔	✔
	AS35628	Institute of Bioorganic Chemistry Polish Academy of S...	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS196844	Institute of Bioorganic Chemistry Polish Academy of S...	✔	✔
	AS13293	Institute of Bioorganic Chemistry Polish Academy of S...	✔	✔
	AS8267	Academic Computer Centre CYFRONET AGH	✔	✔
	AS16138	Interia.pl Sp z.o.o.	✔	✘
	AS6939	Hurricane Electric LLC	✔	✔
	AS58350	PHU Classcom Sp. z o.o.	✔	✔
	AS12990	Ringier Axel Springer Polska Sp. z o.o.	✔	✔
	AS57889	MAXSERWIS Sp.zo.o.	✔	✘
	AS29593	WOJCIECH LOREK ENDOR COMPUTERS	✔	✘
	AS28815	Lerkins Group Sp. z o. o.	✔	✘
	AS206687	RESINVEST ENERGY POLSKA Sp. z o.o.	✔	✘
	AS197527	Miejskie Przedsiebiorstwo Komunikacyjne SA w Krakowie	✔	✘
	AS203890	Krakowski Park Technologiczny Sp ZOO	✔	✘
	AS56682	Interia.pl Sp z.o.o.	✔	✘
	AS20898	Trigon Dom Maklerski SA	✔	✘
	AS35628	Institute of Bioorganic Chemistry Polish Academy of S...	✔	✘
	AS42739	Hawe Telekom S.A. in Restructuring	✔	✔
	AS199524	Gcore S.A.	✔	✔
	AS16276	OVH SAS	✔	✔
	AS202520	SkyPass Solutions Sp. z.o.o.	✔	✔
	AS214762	Sebastian Stefanek trading as MatHost.eu	✔	✔
	AS34170	Aztelekom LLC	✔	✔
	AS51465	M3.NET Sp. z o.o. / Fixmap Group	✔	✘
	AS15694	Atman Sp. z o.o.	✔	✔
	AS64049	Reliance Jio Infocomm Pte. Ltd.	✔	✘
	AS53062	ALT | GRUPO BRASIL TECPAR	✔	✘
	AS24748	THINX WAW Route Servers	✔	✔
	AS199081	Lancom Ltd.	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS132337	Axclusive	✔	✘
	AS208041	Rafal Rajba trading as Intertell sp. z o.o.	✔	✘
	AS20555	Akademia WIT w Warszawie	✔	✔
	AS263444	Open X Tecnologia Ltda	✔	✔
	AS13335	Cloudflare, Inc.	✔	✔
	AS1820	WNET TELECOM USA Corp.	✔	✘

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Downstreams

	ASN	Description	IPv4	IPv6
	AS12990	Ringier Axel Springer Polska Sp. z o.o.	✔	✔
	AS16138	Interia.pl Sp z.o.o.	✔	✘
	AS58350	PHU Classcom Sp. z o.o.	✔	✔
	AS57889	MAXSERWIS Sp.zo.o.	✔	✘
	AS29593	WOJCIECH LOREK ENDOR COMPUTERS	✔	✘
	AS8267	Academic Computer Centre CYFRONET AGH	✔	✔
	AS28815	Lerkins Group Sp. z o. o.	✔	✘
	AS203890	Krakowski Park Technologiczny Sp ZOO	✔	✘
	AS20898	Trigon Dom Maklerski SA	✔	✘
	AS56682	Interia.pl Sp z.o.o.	✔	✘
	AS197527	Miejskie Przedsiebiorstwo Komunikacyjne SA w Krakowie	✔	✘
	AS206687	RESINVEST ENERGY POLSKA Sp. z o.o.	✔	✘

aut-num:        AS8323
as-name:        CYFRONET-AS2
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 AS13293 action pref=150; accept ANY
export:         to AS13293 announce AS-CYFRONET
import:         from AS8267 action pref=0; accept ANY
export:         to AS8267 announce ANY
remarks:
import:         from AS24748 action pref=80; accept ANY
export:         to AS24748 announce AS8267 AS8323
import:         from AS8938 action pref=80; accept AS-ENERGISPL
import:         from AS9141 action pref=80; accept AS9141
import:         from AS20960 action pref=80; accept AS-TKTELEKOM
export:         to AS8323:AS-Peers announce AS-CYFRONET
remarks:
import:         from AS8267:AS-Krakow-1014 action pref=50; from AS8267:AS-Krakow-1015 action pref=50; accept PeerAS
export:         to AS8267:AS-Krakow-1014 to AS8267:AS-Krakow-1015 announce ANY
import:         from AS8726 action pref=50; accept AS8267 AS29593
export:         to AS8726 announce ANY
remarks:
mp-import:      afi ipv6.unicast from AS13293 action pref=150; accept ANY
mp-export:      afi ipv6.unicast to AS13293 announce AS8323
mp-import:      afi ipv6.unicast from AS8267 action pref=0; accept ANY
mp-export:      afi ipv6.unicast to AS8267 announce ANY
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         AS8323-MNT
created:        2001-10-29T14:12:07Z
last-modified:  2017-11-15T09:16:26Z
source:         RIPE
remarks:        ****************************
remarks:        * THIS OBJECT IS MODIFIED
remarks:        * Please note that all data that is generally regarded as personal
remarks:        * data has been removed from this object.
remarks:        * To view the original object, please query the RIPE Database at:
remarks:        * http://www.ripe.net/whois
remarks:        ****************************


organisation:   ORG-ACCC1-RIPE
org-name:       Academic Computer Centre CYFRONET AGH
country:        PL
org-type:       LIR
address:        Dummy address for ORG-ACCC1-RIPE
# Email removed, Log into bgp.tools to see whois emails/phone numbers
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
remarks:        ****************************
remarks:        * THIS OBJECT IS MODIFIED
remarks:        * Please note that all data that is generally regarded as personal
remarks:        * data has been removed from this object.
remarks:        * To view the original object, please query the RIPE Database at:
remarks:        * http://www.ripe.net/whois
remarks:        ****************************

Last Update: 2026-06-13T03:23:45Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RIPE	as196844:as-krakow-com	21
RIPE	as13293:as-krakow-com	21
RIPE	as-plnet	89
RIPE	as5617:as-pl	2028
RIPE	as-gttcust	91774
RIPE	as8267:as-krakow-1013	1
RIPE	as-supermediaman	3
RIPE	as-ipartners	3817
RIPE	as24748:as-atman6	28
RIPE	as8323:as-krakow-com-amsix	21
RIPE	as35628:as-krakow-com	21
RIPE	as24748:as-thinx6	7833