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If you are scraping this block for the prefixes that a AS originates, please use the data dumps in https://bgp.tools/kb/api and cache them

	Prefix	Description
	193.219.28.0/24	ICM
	212.87.16.0/20	University of Warsaw
	213.135.43.0/24	University of Warsaw
	213.135.50.0/23	University of Warsaw
	213.135.52.0/22	University of Warsaw
	213.135.56.0/21	University of Warsaw
	2001:6a0::/34	University of Warsaw
	2001:6a0::/32	University of Warsaw

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS8501	Institute of Bioorganic Chemistry Polish Academy of S...	✔	✔
	AS6939	Hurricane Electric LLC	✘	✔
	AS5617	Orange Polska Spolka Akcyjna	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS8501	Institute of Bioorganic Chemistry Polish Academy of S...	✔	✔
	AS6939	Hurricane Electric LLC	✔	✔
	AS209314	Akademia Sztuk Pieknych w Warszawie	✔	✔
	AS20555	Akademia WIT w Warszawie	✔	✔
	AS8764	Telia Lietuva, AB	✔	✘
	AS137409	GSL Networks Pty LTD	✔	✔
	AS9009	M247 Europe SRL	✔	✘
	AS50263	A-Systems Sp. z o.o.	✔	✘
	AS19551	Incapsula Inc	✔	✘
	AS15895	"Kyivstar" PJSC	✔	✘
	AS15396	University of Warsaw	✔	✘
	AS24115	Equinix IX	✔	✔
	AS35320	Eurotranstelecom Ltd	✔	✔
	AS56904	Instytut Hodowli i Aklimatyzacji Roslin - Panstwowy I...	✔	✘
	AS20940	Akamai International B.V.	✔	✘
	AS31242	P4 Sp. z o.o.	✔	✘
	AS49544	i3D.net B.V	✔	✔
	AS196844	Institute of Bioorganic Chemistry Polish Academy of S...	✔	✘
	AS56515	OXYNET sp. z o.o.	✔	✘
	AS201054	Stowarzyszenie e-Poludnie	✔	✔
	AS24482	SG.GS	✔	✔
	AS29632	Netassist International EOOD	✘	✔
	AS50153	NET BIS SP Z O O	✔	✘
	AS42739	Hawe Telekom S.A. in Restructuring	✔	✘
	AS58307	UNITEL-MEDIA Sp. z o.o.	✔	✘
	AS14593	SpaceX Starlink	✔	✘
	AS51465	M3.NET Sp. z o.o. / Fixmap Group	✔	✘
	AS30838	Jerzy Krempa "Telpol" PPMUE	✔	✘
	AS202520	SkyPass Solutions Sp. z.o.o.	✔	✔
	AS1820	WNET TELECOM USA Corp.	✔	✔
	AS5617	Orange Polska Spolka Akcyjna	✔	✔
	AS200999	CloudFerro S.A	✔	✘
	AS35007	Miconet Sp. z o.o.	✔	✘
	AS56373	WAVE FIBER Sp. z.o.o.	✔	✘
	AS24748	THINX WAW Route Servers	✘	✔
	AS42763	FPUH Czajen Krzysztof Czaja	✔	✘
	AS36236	NetActuate, Inc	✔	✔
	AS22356	Durand do Brasil Ltda	✘	✔
	AS28785	Asseco Cloud Sp. z o. o.	✔	✘
	AS49559	A-Systems Sp. z o.o.	✔	✔
	AS199524	Gcore S.A.	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS208041	Rafal Rajba trading as INTERTELL	✔	✔
	AS33951	"FORWEB" S.C. Monika Bodetko, Tomasz Pawlowski	✔	✘
	AS53062	ALT | GRUPO BRASIL TECPAR	✔	✘
	AS50467	Beskid Media Sp. z o.o.	✔	✘
	AS8772	NetAssist LLC	✘	✔
	AS31229	Beyond.pl sp. z o.o.	✔	✘
	AS44600	"GIGATRANS UKRAINE", LLC	✔	✘
	AS62044	Zscaler Switzerland GmbH	✔	✘
	AS54994	Meteverse Limited	✔	✘
	AS42	WoodyNet, Inc.	✘	✔
	AS197704	24IT MEDIA Sp. z o.o.	✔	✘
	AS15391	Sysclay Sp. z o. o.	✔	✘
	AS15695	Expereo International BV	✔	✘
	AS35063	Chopin Telewizja Kablowa spolka z ograniczona odpowie...	✔	✘
	AS205671	MAIN Sp. z o.o.	✔	✘
	AS12464	Politechnika Warszawska	✔	✘
	AS51399	Fiberway Sp. z o.o.	✔	✘
	AS197615	NaszaSiec.NET Krakow Damian Murzynowski	✔	✘
	AS50661	Telkab sp. z o.o.	✔	✘
	AS49528	MARCIN MALOLEPSZY @ALFANET	✔	✘
	AS199075	TV-EURO-SAT SP. Z O.O.	✔	✘
	AS43171	Lukasz Rafal Hamerski trading as Maxnet	✔	✘
	AS59711	HZ Hosting Ltd	✔	✔
	AS20804	Exatel S.A.	✔	✔
	AS198232	ZAKLAD TELEWIZJI KABLOWEJ "TELE-KAB" MARIANNA GRYGA, ...	✔	✘
	AS39249	Netassist International EOOD	✘	✔
	AS15830	Equinix, Inc.	✔	✔
	AS42039	Stowarzyszenie "Telewizja Teofilow B"	✔	✘
	AS199831	Citimedia.pl Sp z o.o.	✔	✘
	AS30923	Mlodziezowa Spoldzielnia Mieszkaniowa	✔	✘
	AS44454	Czestochowska Spoldzielnia Mieszkaniowa "Nasza Praca"	✔	✘
	AS56630	Melbikomas UAB	✔	✔
	AS34891	Urzad Miasta Stolecznego Warszawa	✔	✘
	AS201328	Telewizja Kablowa Kolobrzeg, Agencja Uslugowo - Rekla...	✔	✘
	AS41796	DAG s.c. Agnieszka Salska-Oskroba, Dariusz Oskroba	✔	✘
	AS197936	ADB Polska Sp. z o.o.	✔	✘
	AS203628	Televoice Polska Sp. z o.o.	✔	✘
	AS197091	METROPORT Sp. z o.o.	✔	✘
	AS47927	WIFIWEB s.r.l.	✘	✔
	AS42968	Kujawsko-Pomorskie Centrum Kompetencji Cyfrowych Sp. ...	✔	✘
	AS203620	Polnocny Klaster ICT SP. z.o.o.	✔	✘
	AS35179	Korbank S. A.	✔	✘
	AS139341	WeChat/QQ CDN	✔	✘
	AS25506	Telewizja Polska S.A.	✔	✘
	AS50606	Horyzont Technologie Internetowe sp.z.o.o.	✔	✘
	AS16342	Toya sp.z.o.o	✔	✘
	AS47702	Teleradiocompany Discovery Ltd.	✔	✘
	AS51175	Multiplay Sp. z o.o.	✔	✘
	AS207156	LAITO Sp. Z O. O.	✔	✘
	AS42927	S-NET Sp. z o.o.	✔	✘
	AS35408	Trans.eu Group S.A.	✔	✘
	AS201020	ILARIO SP. Z O.O.	✔	✘

---

Downstreams

	ASN	Description	IPv4	IPv6
	AS209314	Akademia Sztuk Pieknych w Warszawie	✔	✔
	AS20555	Akademia WIT w Warszawie	✔	✔
	AS12464	Politechnika Warszawska	✔	✘
	AS56904	Instytut Hodowli i Aklimatyzacji Roslin - Panstwowy I...	✔	✘
	AS15396	University of Warsaw	✔	✘

aut-num:        AS8664
org:            ORG-IA45-RIPE
as-name:        ICM-PUB
descr:          public network services
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
notify:         info@core.icm.edu.pl
remarks:
remarks:        Communities set by ICM (8664:xxxx)
remarks:
remarks:        1000 - ICM networks
remarks:        1011 - IXP with Pionier access (MAN-edu)
remarks:        1013 - IXP with Pionier access (MAN-com)
remarks:        1014 - IXP with Pionier access (com with peering agreement)
remarks:        1015 - IXP with Pionier access (content provider)
remarks:        1016 - IXP with Pionier access (com without peering agreement)
remarks:        1022 - Pionier members (polish edu MANs)
remarks:        1024 - PLIX
remarks:        1025 - WAW-EDU(SGH,WSISiZ,PW)
remarks:        1027 - GTS
remarks:        1029 - Netia
remarks:        1030 - TPSA
remarks:        1031 - NASK
remarks:        1033 - UPC
remarks:        1034 - Provector
remarks:        1050 - Advertised peerings
remarks:
remarks:        Communities accepted by ICM (8664:xxxx)
remarks:        no-export
remarks:        no-advertise
remarks:        20XY
remarks:        X = 1 - ... to Pionier peerings
remarks:        X = 2 - ... to ICM IXP
remarks:        X = 3 - ... to AS8501
remarks:        (advertise only to Pionier MANs with direct peering)
remarks:        Y = 0 - do not announce (doesn't work for X = 2)
remarks:        Y = 1 - prepend once
remarks:        Y = 2 - prepend twice
remarks:        Y = 3 - prepend thrice
remarks:        Y = 4 - prepend quadrice
remarks:        2990 - set localpref 250
remarks:        2999 - set localpref 150
remarks:        # By default we set localpref:
remarks:        # 300 - for our direct peers
remarks:        # 200 - for our direct peers customers and IXPs (WIX,PLIX)
remarks:        2100 - Advertise only to AS-ICM
remarks:
remarks:        Our looking-glass service: https://lg.core.icm.edu.pl/
remarks:
remarks:        In case of routing problems mail info@core.icm.edu.pl
remarks:
mnt-by:         ICM-PL
created:        1970-01-01T00:00:00Z
last-modified:  2017-11-15T09:14:11Z
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-IA45-RIPE
org-name:       University of Warsaw
country:        PL
org-type:       LIR
address:        Dummy address for ORG-IA45-RIPE
# Email removed, Log into bgp.tools to see whois emails
abuse-c:        UWPL
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        UW-PL
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         UW-PL
created:        2004-04-17T11:47:16Z
last-modified:  2020-12-16T13:11:53Z
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: 2025-12-22T03:24:22Z UTC

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Member of the following AS-SETs

-	Member
RIPE	as-ipartners
RADB	as-hurricanev6
RIPE	as5617:as-pl
RIPE	as8267:as-peers
RIPE	as5617:as-icm
RIPE	as8545:as-icm
RIPE	as24748:as-atman6
RIPE	as5617:as-akademickie
RIPE	as8308:as-peerings:as8664
RIPE	as-tpix
RIPE	as5617:as-pl-transit
RIPE	as-icm
RIPE	as-cdpasterix
RIPE	as8308:as-peerings:as15396
RIPE	as-tpix6
RIPE	as-icm-ixp-ipv6
RIPE	as29535:as-tpix
RIPE	as-plix-connected
RIPE	as8308:as-peerings
RIPE	as-plnet
RIPE	as8664:as-icm-1011
RIPE	as5617:as-silweb