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	Prefix	Description
	148.81.0.0/16	NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INS...
	195.187.64.0/18	NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INS...
	2a00:1488::/32	NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INS...

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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...	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS8501	Institute of Bioorganic Chemistry Polish Academy of S...	✔	✔
	AS20555	Akademia WIT w Warszawie	✔	✘
	AS15665	Instytut Geofizyki PAN	✔	✘
	AS44959	Uniwersytet Kardynala Stefana Wyszynskiego	✔	✘
	AS12464	Politechnika Warszawska	✔	✔
	AS197982	Polsko-Japonska Wyzsza Szkola Technik Komputerowych	✔	✔
	AS209314	Akademia Sztuk Pieknych w Warszawie	✔	✔
	AS196802	Wojskowa Akademia Techniczna im. Jaroslawa Dabrowskiego	✔	✘
	AS24597	Instytut Lacznosci - Panstwowy Instytut Badawczy	✔	✔
	AS41092	INSTITUTE OF TUBERCULOSIS AND LUNG DISEASES	✔	✘
	AS207204	Centrum Nauki Kopernik	✔	✘
	AS197005	Instytut Ekonomiki Rolnictwa i Gospodarki Zywnosciowe...	✔	✘
	AS8766	Szkola Glowna Handlowa w Warszawie	✔	✘
	AS206802	UNIWERSYTET MUZYCZNY FRYDERYKA CHOPINA	✔	✘
	AS201305	WOJSKOWY INSTYTUT LACZNOSCI	✔	✘
	AS201617	SIEC BADAWCZA LUKASIEWICZ-INSTYTUT LOTNICTWA	✔	✘
	AS50355	Ministerstwo Spraw Wewnetrznych	✔	✘
	AS25075	SWPS UNIWERSYTET	✔	✘
	AS213088	Centrum Medyczne Ksztalcenia Podyplomowego	✔	✘
	AS25495	Kancelaria Sejmu	✔	✘
	AS198522	Ministerstwo Spraw Wewnetrznych i Administracji	✔	✘
	AS202748	Ministerstwo Klimatu i Srodowiska	✔	✘
	AS8308	NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INS...	✔	✘
	AS47404	Akademia Leona Kozminskiego	✔	✘
	AS201125	Instytut Fizjologii i Patologii Sluchu	✔	✘
	AS202121	Politechnika Warszawska Filia w Plocku	✔	✘
	AS5617	Orange Polska Spolka Akcyjna	✔	✘
	AS9112	Institute of Bioorganic Chemistry Polish Academy of S...	✔	✘
	AS12324	Maria Curie-Sklodowska University	✔	✘
	AS8267	Academic Computer Centre CYFRONET AGH	✔	✘

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Downstreams

	ASN	Description	IPv4	IPv6
	AS44959	Uniwersytet Kardynala Stefana Wyszynskiego	✔	✘
	AS12464	Politechnika Warszawska	✔	✔
	AS209314	Akademia Sztuk Pieknych w Warszawie	✔	✔
	AS196802	Wojskowa Akademia Techniczna im. Jaroslawa Dabrowskiego	✔	✘
	AS197982	Polsko-Japonska Wyzsza Szkola Technik Komputerowych	✔	✔
	AS24597	Instytut Lacznosci - Panstwowy Instytut Badawczy	✔	✔
	AS207204	Centrum Nauki Kopernik	✔	✘
	AS197005	Instytut Ekonomiki Rolnictwa i Gospodarki Zywnosciowe...	✔	✘
	AS41092	INSTITUTE OF TUBERCULOSIS AND LUNG DISEASES	✔	✘
	AS8766	Szkola Glowna Handlowa w Warszawie	✔	✘
	AS206802	UNIWERSYTET MUZYCZNY FRYDERYKA CHOPINA	✔	✘
	AS201305	WOJSKOWY INSTYTUT LACZNOSCI	✔	✘
	AS213088	Centrum Medyczne Ksztalcenia Podyplomowego	✔	✘
	AS20555	Akademia WIT w Warszawie	✔	✘
	AS25495	Kancelaria Sejmu	✔	✘
	AS198522	Ministerstwo Spraw Wewnetrznych i Administracji	✔	✘
	AS25075	SWPS UNIWERSYTET	✔	✘
	AS202121	Politechnika Warszawska Filia w Plocku	✔	✘
	AS47404	Akademia Leona Kozminskiego	✔	✘
	AS201125	Instytut Fizjologii i Patologii Sluchu	✔	✘
	AS15665	Instytut Geofizyki PAN	✔	✘
	AS201617	SIEC BADAWCZA LUKASIEWICZ-INSTYTUT LOTNICTWA	✔	✘
	AS202748	Ministerstwo Klimatu i Srodowiska	✔	✘
	AS50355	Ministerstwo Spraw Wewnetrznych	✔	✘

aut-num:        AS1887
as-name:        NASK-ACADEMIC
remarks:        Academic clients only.
remarks:
import:         from AS1887:AS-Cust-transit action pref=100;
                accept <AS1887:AS-Customers:PeerAS$>
export:         to AS1887:AS-Cust-transit announce ANY
remarks:
import:         from AS1887:AS-Peerings action pref=150;
                accept <AS1887:AS-Peerings:PeerAS$>
export:         to AS1887:AS-Peerings announce
                <AS1887:AS-Customers:AS-Received$>
                OR <AS8308:AS-Customers:AS-Received$>
remarks:
import:         from AS8308 action pref=100; accept
                <AS8308:AS-Customers:AS-Received$>
import:         from AS8308 action pref=150; accept
                <AS8308:AS-Peerings:AS-Received$>
export:         to AS8308 announce <AS1887:AS-Customers:AS-Received>
                OR <AS1887:AS-Peerings:AS-Received$>
remarks:
import:         from AS8501 action pref=150; accept
                <AS1887:AS-Peerings:AS8501$>
import:         from AS8501 action pref=190; accept ANY
export:         to AS8501 announce <AS1887:AS-Customers:AS-Received$>
remarks:
org:            ORG-NRaA1-RIPE
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
remarks:
remarks:        Looking-glass at http://www.nask.pl/lg.html
remarks:
remarks:        ------------------------------
remarks:        Local-preferences
remarks:        100 - Customers
remarks:        50 - Local peerings
remarks:        49 - Local peerings
remarks:        35 - Settable by customers or local peerings (see communities)
remarks:        30 - IXP peerings
remarks:        10 - Uplinks
remarks:        9 - Uplinks
remarks:
remarks:        ------------------------------
remarks:        Communities used in AS1887
remarks:        (Under reconstruction, these values will change soon)
remarks:        ------------------------------
remarks:        Settable communities:
remarks:        1887:55035 - local-preference is lowered to 35
remarks:
remarks:
remarks:
remarks:        Read-only communities marking prefix origin:
remarks:        1887:60000, 1887:60100 - Customers
remarks:        1887:60010 - Uplinks
remarks:        1887:60050 - Local peerings
remarks:        1887:8501 - POL34 (but only peering link)
remarks:        ------------------------------
status:         ASSIGNED
notify:         hostmaster@nask.pl
notify:         registry@nask.pl
mnt-by:         AS1887-MNT
mnt-by:         RIPE-NCC-END-MNT
created:        2002-07-29T14:22:02Z
last-modified:  2019-12-04T11:17:12Z
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-NRaA1-RIPE
org-name:       NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZY
country:        PL
org-type:       LIR
address:        Dummy address for ORG-NRaA1-RIPE
# Email removed, Log into bgp.tools to see whois emails
abuse-c:        NASK1-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        NASK-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         NASK-MNT
created:        2004-04-17T11:47:37Z
last-modified:  2022-12-05T13:04:50Z
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: 2026-02-15T03:23:42Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
ARIN	as-incapsula	384
RIPE	as5617:as-akademickie	53
LEVEL3	as-sprint-origins	7309
RIPE	as1887:as-cust-transit:as-received	32
RIPE	as8267:as-peers	12
RIPE	as5617:as-pl-transit	11433
RIPE	as-incapsula	384
RIPE	as-exatel-pl	2874
RIPE	as-plnet	115
RIPE	as1887:as-customers:as-received	32
RIPE	as5617:as-pl	2031
RIPE	as5617:as-kampus_ochota	6
RIPE	as5617:as-icm	7
RIPE	as59832:as-nask-fx	22
RIPE	as1887:as-tpnet	115
RIPE	as5617:as-silweb	30
RIPE	as8501:as-nask-1011	33