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	Prefix	Description
	88.135.187.0/24	Lukasz Kalwinek trading as KALWINEK.NET
	204.144.178.0/24	Lukasz Kalwinek trading as KALWINEK.NET

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS50607	Stowarzyszenie e-Poludnie	✔	✘
	AS62081	Stowarzyszenie e-Poludnie	✔	✘
	AS29535	Orange Polska Spolka Akcyjna	✔	✘
	AS201054	Stowarzyszenie e-Poludnie	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS62081	Stowarzyszenie e-Poludnie	✔	✘
	AS198746	Granet Marcin Grabowski	✔	✘
	AS50607	Stowarzyszenie e-Poludnie	✔	✘
	AS29535	Orange Polska Spolka Akcyjna	✔	✘
	AS201054	Stowarzyszenie e-Poludnie	✔	✘
	AS6204	INTERKVM HOST SRL	✔	✘
	AS49544	i3D.net B.V	✔	✘
	AS42739	Hawe Telekom S.A. in Restructuring	✔	✘
	AS51465	M3.NET Sp. z o.o. / Fixmap Group	✔	✘
	AS16276	OVH SAS	✔	✘
	AS202520	SkyPass Solutions Sp. z.o.o.	✔	✘
	AS20804	Exatel S.A.	✔	✘
	AS36236	NetActuate, Inc	✔	✘
	AS24482	SG.GS	✔	✘
	AS208041	Rafal Rajba trading as Intertell sp. z o.o.	✔	✘
	AS32590	Valve Corporation	✔	✘
	AS20555	Akademia WIT w Warszawie	✔	✘
	AS197155	Artnet Sp. z o.o.	✔	✘

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Downstreams

	ASN	Description	IPv4	IPv6
	AS198746	Granet Marcin Grabowski	✔	✘

aut-num:        AS206455
as-name:        PL-KALWINEK-AS
org:            ORG-KLK4-RIPE
import:         from AS12741 accept ANY
export:         to AS12741 announce AS206455
import:         from AS51373 accept ANY
export:         to AS51373 announce AS206455
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         TSLA1-MNT
created:        2017-01-17T14:56:59Z
last-modified:  2023-05-19T06:54:42Z
source:         RIPE
sponsoring-org: ORG-ASzo12-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-KLK4-RIPE
org-name:       Lukasz Kalwinek trading as KALWINEK.NET
country:        PL
org-type:       OTHER
address:        Dummy address for ORG-KLK4-RIPE
# Email removed, Log into bgp.tools to see whois emails/phone numbers
abuse-c:        KLKD1-RIPE
mnt-ref:        NETRONIK-MNT
mnt-ref:        SST-PL-MNT
mnt-by:         SST-PL-MNT
mnt-by:         TSLA1-MNT
created:        2017-01-16T08:53:05Z
last-modified:  2026-05-13T05:31:24Z
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: 2026-06-05T03:26:24Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RIPE	as-transroute-spec	19620
RIPE	as5617:as-pl	2028
RIPE	as-ef-global	759
RADB	as-hurricane	24934
RIPE	as-epix-transit	891
RIPE	as29535:as-mix2	753
RIPE	as-pl-kalwinek	2
RIPE	as-telkonekt-customers	18
RIPE	as-kike	85914