View

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
	81.23.244.0/22	Sewan Nederland B.V.
	81.173.0.0/22	Sewan Nederland B.V.
	81.173.7.0/24	Sewan Nederland B.V.
	81.173.32.0/22	-
	81.173.48.0/20	-
	81.173.64.0/20
	81.173.96.0/22	Sewan Nederland B.V.
	81.173.125.0/24	Sewan Nederland B.V.
	81.173.126.0/23	Sewan Nederland B.V.
	109.235.32.0/21	Sewan Nederland B.V.
	185.61.68.0/22	Sewan Nederland B.V.
	2a03:be00::/32	Sewan Nederland B.V.

---

Network Policy

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---

How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS1299	Arelion (fka. Telia Carrier)	✔	✔
	AS3356	Lumen (Level 3)	✔	✔
	AS20562	Open Peering (Broadband Hosting B.V.)	✔	✔

---

Peers

	ASN	Description	IPv4	IPv6
	AS20562	Open Peering (Broadband Hosting B.V.)	✔	✔
	AS1299	Arelion (fka. Telia Carrier)	✔	✔
	AS3356	Lumen (Level 3)	✔	✔
	AS201117	ZeroPlex B.V.	✔	✘
	AS6939	Hurricane Electric LLC	✔	✔
	AS200342	24x7 Hosting B.V.	✔	✘
	AS5405	Inter.link GmbH	✔	✔
	AS41960	Nextpertise B.V.	✔	✘
	AS61349	MaxiTEL Telecom B.V.	✔	✔
	AS137409	GSL Networks Pty LTD	✔	✔
	AS34927	iFog GmbH	✔	✔
	AS213576	Robert Weir	✔	✔
	AS3399	Obenet AB	✔	✘
	AS49917	LayerSwitch B.V.	✔	✔
	AS58299	Openfactory GmbH	✔	✔
	AS8283	Netwerkvereniging Coloclue	✔	✔
	AS52025	ParadoxNetworks Limited	✔	✔
	AS6204	INTERKVM HOST SRL	✔	✔
	AS50629	LWLcom GmbH	✔	✔
	AS211623	NAML B.V.	✔	✔
	AS8218	Zayo Europe	✔	✔
	AS11967	Hop179 OU	✔	✔
	AS33891	Core-Backbone GmbH	✔	✘
	AS24940	Hetzner Online GmbH	✔	✔
	AS61049	Exascale Ltd	✔	✔
	AS52320	V.tal (GlobeNet)	✔	✘
	AS25091	IP-Max SA	✔	✔
	AS24961	WIIT AG (fka. myLoc Managed IT AG)	✔	✔
	AS199524	Gcore S.A.	✔	✔
	AS9136	WOBCOM GmbH	✔	✔
	AS37100	SEACOM Limited	✔	✔
	AS7195	EdgeUno	✔	✘
	AS14840	BR.DIGITAL	✔	✔
	AS200052	Feral.io Ltd	✔	✘
	AS22356	Durand do Brasil Ltda	✔	✔
	AS212635	Jurrian van Iersel	✔	✔
	AS212855	Jelle Luteijn	✔	✔
	AS47147	Anexia Cloud Solutions GmbH	✔	✘
	AS3462	HiNet (Chunghwa Telecom)	✔	✘
	AS49127	Asimo Networks B.V.	✔	✔
	AS9031	EDPNET Belgium BV	✔	✘
	AS8298	IPng Networks GmbH	✔	✔
	AS200132	Peter-Paul Maria Kurstjens	✔	✔
	AS24785	Joint Transit (Broadband Hosting B.V.)	✔	✔
	AS57866	Fusix Networks B.V.	✔	✔
	AS20495	We Dare B.V.	✔	✔
	AS37468	Angola Cables	✔	✔
	AS215680	Luc Haaijer trading as Ferox Hosting	✔	✔
	AS205329	Kai-Jung Chen	✔	✔
	AS56655	Gigahost AS	✔	✘
	AS49544	i3D.net B.V	✔	✔
	AS6696	VERIXI SA	✔	✘
	AS207487	Gustav Caplan	✔	✔
	AS204092	Association GRIFON	✔	✔
	AS211588	Innovation Harbor B.V.	✔	✔
	AS34019	Hivane Association	✔	✔
	AS42541	Fiberby ApS	✔	✔
	AS44854	Arend Brouwer	✔	✔
	AS209267	Velorum B.V.	✔	✔
	AS207176	OPENFIBER B.V.	✔	✔
	AS31027	GlobalConnect A/S	✔	✘
	AS207994	Blockchain Creek B.V.	✔	✘
	AS50869	Free-IX Remote Peering	✔	✔
	AS21263	TeleData GmbH	✔	✔
	AS209823	Enki Multimedia EURL	✔	✔
	AS31500	Global Network Management Inc	✔	✔
	AS6206	Netrouting B.V.	✔	✔
	AS204059	Neutrinet ASBL/VZW	✔	✔
	AS50509	Transroute.Net	✔	✔
	AS6424	EDGOO NETWORKS	✔	✔
	AS30844	Liquid Intelligent Technologies	✔	✘
	AS12400	Partner Communications Ltd.	✔	✘
	AS210645	DOMINIK DOBROWOLSKI	✔	✔
	AS54148	Dynamic Quantum Networks	✔	✔
	AS216107	Noah van der Aa trading as Frumentum Media	✔	✔
	AS200249	Products Up GmbH	✔	✔
	AS214809	Jere Kiitola trading as Stocade	✔	✔
	AS64049	Reliance Jio Infocomm Pte. Ltd.	✔	✘
	AS212477	RoyaleHosting B.V.	✔	✘
	AS64289	Macarne.com	✔	✔
	AS213449	Jann-Ole Wagenaar	✔	✔
	AS52210	Accuris Technologies Ltd.	✔	✔
	AS213052	Bram Wittendorp trading as BittenBytes	✔	✔
	AS215638	Cilix Limited	✔	✘
	AS12552	GlobalConnect (IP-Only)	✔	✔
	AS213753	InterEdge B.V.	✔	✔
	AS52075	Wifirst S.A.S.	✔	✔
	AS1828	PacketFabric / Unitas Global	✔	✔
	AS37662	West Indian Ocean Cable Company (WIOCC)	✔	✘
	AS13101	TNG Stadtnetz GmbH	✔	✔
	AS1031	PEER 1031 LLC	✔	✘
	AS4651	The Communications Authority of Thailand (CAT)	✔	✔
	AS56987	ABACLOUDA SAS	✔	✔
	AS16276	OVH SAS	✔	✔
	AS13237	euNetworks GmbH	✔	✘
	AS55850	Mercury NZ Limited	✔	✘
	AS12779	IT.Gate S.p.A.	✔	✘
	AS1764	Next Layer Telecommunications	✔	✘
	AS328366	FIRSTNET TECHNOLOGY SERVICES (PTY) LTD	✔	✘
	AS199938	Netzwerge GmbH	✔	✘
	AS60404	The Infrastructure Group B.V.	✔	✔
	AS31477	Duocast B.V.	✔	✔
	AS48646	SDRmedia Verwaltungs GmbH	✔	✔
	AS21473	PFALZKOM GmbH	✔	✔
	AS215760	Adam Grazioli	✔	✔
	AS199471	Marcel Straub	✔	✔
	AS215828	Tizian Maxime Weigt trading as "TMW Global Networks"	✔	✔
	AS213279	Reliably Coded B.V.	✔	✔
	AS205941	Lungu Stefan Gabriel	✔	✔
	AS27523	Kawaii Networks LLC	✔	✔
	AS16909	imput	✔	✔
	AS14907	Wikimedia Foundation Inc.	✔	✔
	AS200242	Ember Ana	✔	✔
	AS60539	Huicast Telecom Limited	✔	✔
	AS263152	MIGO TELECOM	✔	✘
	AS198016	Michael Kieser	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS34428	Giulio Lo Presti	✔	✔
	AS212483	LEVEL EIGHTY-SIX COMMUNICATIONS LTD	✔	✔
	AS44684	Mythic Beasts Ltd	✔	✔
	AS60144	3W Infra B.V.	✔	✔
	AS48927	ESEVEN DevOps GmbH	✔	✘
	AS47526	handily networks GmbH	✔	✔
	AS206735	Novelcomm LP	✔	✘
	AS48362	Stadtwerke Feldkirch	✔	✘
	AS63927	RISE	✔	✘
	AS15694	Atman Sp. z o.o.	✔	✔
	AS215248	Bastiaan Mathijs Brink	✔	✔
	AS208814	Tilman Schaefers	✔	✔
	AS41666	Institute for Pyrotechnical Cleaning (limited company)	✔	✘
	AS328748	Agile Solutions Provider (PTY) LTD	✔	✔
	AS400799	Pufferfish Studios LLC	✔	✔
	AS29075	IELO-LIAZO SERVICES SAS	✔	✔
	AS42093	InterRacks B.V.	✔	✔
	AS31133	MegaFon PJSC	✔	✘
	AS41327	Fiber Telecom S.p.A.	✔	✔
	AS1103	SURF B.V.	✔	✔
	AS20764	CJSC RASCOM	✔	✔
	AS8801	Rocket Fibre Ltd	✔	✔
	AS39122	Blacknight Internet Solutions Limited	✔	✔
	AS7713	PT Telkom Indonesia Tbk	✔	✘
	AS56381	level66.network UG (haftungsbeschraenkt)	✔	✔
	AS58057	Securebit AG	✔	✔
	AS34170	Aztelekom LLC	✔	✔
	AS56665	Proximus Luxembourg S.A.	✔	✔
	AS40776	TaoNet	✔	✘
	AS51345	HUGO REGIBO	✔	✔
	AS38082	True International Gateway Co., Ltd.	✔	✘
	AS3214	xTom GmbH	✔	✔
	AS57344	Telehouse EAD	✔	✘
	AS8772	NetAssist LLC	✔	✔
	AS199752	Go-Trex Holding BV	✔	✘
	AS49585	CoreRoute UG	✔	✘
	AS53062	ALT | GRUPO BRASIL TECPAR	✔	✘
	AS45701	PT Internet Madju Abad Milenindo	✔	✘
	AS203489	WiMore S.r.l.	✔	✘
	AS212895	Johannes Ernst	✔	✘
	AS49600	NEAR IP, S.L.	✔	✔
	AS8447	A1 Telekom Austria AG	✔	✘
	AS6823	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	✔	✘
	AS34177	Celeste SAS	✔	✘
	AS214022	Joseph Rawlings trading as Virtnet.bond	✔	✔
	AS15576	NTS workspace AG	✔	✘
	AS60900	Adrian Trifonov trading as Ssmidge Technologies	✔	✘
	AS51184	Fonira Telekom GmbH	✔	✘
	AS47689	Pudu, LLC	✔	✘
	AS49121	Infinity Telecom, s.r.o.	✔	✘
	AS51202	NUXOA GmbH	✔	✔
	AS51088	A2B IP B.V.	✔	✔
	AS202585	Nick Bouwhuis	✔	✔
	AS58075	X2com BV	✔	✘
	AS39637	ADES BV	✔	✘
	AS212591	N1 Solutions B.V. trading as PLTFRMS	✔	✔
	AS202224	Giannis Kontos	✔	✔
	AS214145	Seyed Pouria Mousavizadeh Tehrani	✔	✔
	AS213622	Falcon FZE LLC	✔	✔
	AS44066	firstcolo GmbH	✔	✔
	AS49434	FBW NETWORKS SAS	✔	✔
	AS34872	Servperso Systems	✔	✔
	AS215296	Raoul Brouns is trading as LowPing NL	✔	✔
	AS208972	GIBIRNet Iletisim	✔	✔
	AS271253	LINK BRASIL TELECOMUNICACOES LTDA	✔	✘
	AS64475	Freifunk Frankfurt am Main e.V.	✔	✔
	AS215887	Serhiy Bobrov	✔	✔
	AS38965	Rick van der Sterren trading as HostIn	✔	✘
	AS205112	PHILUNET GmbH	✔	✔
	AS44324	MoeDove LLC	✘	✔
	AS197301	Parknet F.M.B.A.	✔	✔
	AS8881	1&1 Versatel GmbH	✔	✔
	AS249	Packet Star Networks Limited	✔	✘
	AS44620	Netlen Internet Hizmetleri Ltd. Sti.	✔	✔
	AS212815	Dyjix SAS	✔	✘
	AS8932	Ucom CJSC	✔	✔
	AS24724	Atman Sp. z o.o.	✔	✘
	AS12859	BIT BV	✔	✔
	AS3212	Telemach Slovenija d.o.o.	✔	✘
	AS214380	Tim de Boer trading as tim427.net	✔	✔
	AS29632	Netassist International EOOD	✘	✔
	AS62246	WJY Limited	✔	✔
	AS5713	Telkom SA Ltd.	✔	✘
	AS209090	Association Stolon	✔	✔
	AS202365	Chronos	✔	✔
	AS216333	NetDev UG (haftungsbeschraenkt)	✔	✔
	AS61029	DODW Holding B.V.	✔	✔
	AS207315	Stichting Internet Archive	✔	✘
	AS57758	CBWS Holding B.V.	✔	✘
	AS48011	Turunc Smart Bilgisayar Teknoloji Ve Dis Ticaret Limi...	✔	✔
	AS199081	Lancom Ltd.	✔	✔
	AS64404	Stichting EventInfra	✔	✔
	AS207113	Cyrus Mbitao trading as Wofbit Networks	✔	✔
	AS15169	Google LLC	✔	✔
	AS52112	Gentlent GmbH	✔	✔
	AS2635	Automattic, Inc	✔	✔
	AS46427	SF Innovations Inc.	✔	✔
	AS24482	SG.GS	✔	✔
	AS8315	WorldStream B.V.	✔	✘
	AS209768	white2net Srl	✔	✘
	AS136557	Host Universal Pty Ltd	✔	✘
	AS132337	Axclusive	✔	✘
	AS29049	Delta Telecom Ltd	✔	✘
	AS215724	Edgevana, Inc.	✔	✘
	AS250	AS250.net Foundation	✔	✘
	AS36236	NetActuate, Inc	✔	✘
	AS44901	Belcloud LTD	✔	✘
	AS9299	PLDT (Philippine Long Distance Telephone Company)	✔	✘
	AS133504	PAOCLOUD	✔	✔
	AS45014	Nuco Technologies Ltd	✔	✘
	AS28283	Adyl Telecom	✔	✘
	AS398465	Rackdog LLC	✔	✘
	AS20473	The Constant Company, LLC	✔	✘
	AS4455	IX Reach Ltd	✔	✘
	AS2854	LLC Orange Business Services	✔	✘
	AS61624	ISPSHIELD (InfNOC Tecnologia)	✔	✘
	AS29467	LUXNETWORK S.A.	✔	✘
	AS38158	PT Cyberindo Aditama	✔	✘
	AS42295	TBISS Ltd	✔	✘
	AS8473	Bahnhof AB	✔	✘
	AS16637	MTN SA (Bayobab)	✔	✘
	AS138121	PT Mora Telematika Indonesia Tbk	✔	✘
	AS215085	Maik Polman trading as PixelHosting	✔	✘
	AS39120	Convergenze S.p.A.	✔	✘
	AS3216	Vimpelcom PJSC	✔	✘
	AS35320	Eurotranstelecom Ltd	✔	✘
	AS8767	M-net Telekommunikations GmbH	✔	✘
	AS34953	RelAix Networks GmbH	✔	✘
	AS6777	AMS-IX Route Servers	✔	✘
	AS263903	INFORBARRA TELECOM	✔	✘
	AS210752	Global Legal Entity Identifier Foundation	✔	✘
	AS293	ESnet	✔	✘
	AS35280	F5 Networks SARL	✔	✘
	AS36994	Vodacom	✔	✘
	AS31319	ESTRACOM SPA	✔	✘
	AS12713	Ote SA (Hellenic Telecommunications Organisation)	✔	✘
	AS12637	Seeweb s.r.l.	✔	✘
	AS6057	Administracion Nacional de Telecomunicaciones	✔	✘
	AS1680	Cellcom Fixed Line Communication L.P	✔	✔
	AS214757	Jakub Krsa	✘	✔
	AS20485	TransTeleCom JSC	✔	✔
	AS29670	Individual Network Berlin ("IN-Berlin") e.V.	✘	✔
	AS60326	0xDEADBEEF LTD	✘	✔
	AS39249	Netassist International EOOD	✘	✔
	AS4601	Antonios A. Chariton	✘	✔
	AS47778	Sunoaki Network LLC	✘	✔
	AS34307	NL-ix Route Servers	✘	✔
	AS61568	ALOO TELECOM - FSF TECNOLOGIA SA	✔	✘
	AS202827	EXAGROUP	✘	✔
	AS57048	Robert van der Meulen	✘	✔
	AS215577	Lucas van Beek	✘	✔
	AS201616	Theo Holroyd	✘	✔
	AS202427	Ursin Filli	✘	✔
	AS56662	Marcin Gondek	✘	✔
	AS29390	Netassist International EOOD	✘	✔
	AS204003	Jan-Eric Ortgies	✘	✔
	AS199763	Piotr Chrzanowski	✘	✔
	AS204539	Axivora Connect LtD	✘	✔
	AS50673	Serverius Holding B.V.	✘	✔
	AS37721	Virtual Technologies & Solutions	✘	✔
	AS39351	31173 Services AB	✘	✔
	AS200372	Lars Ewald	✘	✔

---

Downstreams

	ASN	Description	IPv4	IPv6
	AS201117	ZeroPlex B.V.	✔	✘
	AS200342	24x7 Hosting B.V.	✔	✘
	AS41960	Nextpertise B.V.	✔	✘
	AS61349	MaxiTEL Telecom B.V.	✔	✘

aut-num:        AS50522
as-name:        SEWAN-NL
org:            ORG-PB32-RIPE
remarks:        Transits
import:         from AS1299 action pref=100; accept ANY
export:         to AS1299 announce AS50522:AS-SEWAN-NL
import:         from AS3356 action pref=100; accept ANY
export:         to AS3356 announce AS-POCOS
remarks:        Peering
import:         from AS20562 action pref=100; accept ANY
export:         to AS20562 announce AS50522:AS-SEWAN-NL
import:         from AS6939 action pref=160; accept ANY
export:         to AS6939 announce AS50522
import:         from AS202120 action pref=170; accept ANY
export:         to AS202120 announce AS-POCOS
import:         from AS6777 action pref=150; accept ANY
export:         to AS6777 announce ANY
import:         from AS49685 action pref=160; accept ANY
export:         to AS49685 announce AS-POCOS
import:         from AS59865 action pref=1600; accept ANY
export:         to AS59865 announce AS-POCOS
import:         from AS20495 action pref=160; accept ANY
export:         to AS20495 announce AS-POCOS
import:         from AS49917 action pref=150; accept ANY
export:         to AS49917 announce AS-POCOS
import:         from AS206499 action pref=160; accept ANY
export:         to AS206499 announce AS-POCOS
import:         from AS15196 action pref=160; accept ANY
export:         to AS15196 announce AS-POCOS
import:         from AS41441 action pref=150; accept ANY
export:         to AS41441 announce AS-POCOS
import:         from AS34307 action pref=150; accept ANY
export:         to AS34307 announce AS-POCOS
import:         from AS20940 action pref=160; accept AS-AKAMAI
export:         to AS20940 announce AS-POCOS
import:         from AS714 action pref=160; accept AS-APPLE
export:         to AS714 announce AS-POCOS
import:         from AS13335 action pref=160; accept AS-CLOUDFLARE
export:         to AS13335 announce AS-POCOS
import:         from AS3265 action pref=160; accept ANY
export:         to AS3265 announce AS-POCOS
import:         from AS42 action pref=160; accept ANY
export:         to AS42 announce AS-POCOS
import:         from AS3856 action pref=160; accept ANY
export:         to AS3856 announce AS-POCOS
import:         from AS8075 action pref=160; accept ANY
export:         to AS8075 announce AS-POCOS
import:         from AS32934 action pref=160; accept any
export:         to AS32934 announce AS-POCOS
import:         from AS42707 action pref=160; accept any
export:         to AS42707 announce AS-POCOS
import:         from AS39637 action pref=160; accept any
export:         to AS39637 announce AS-POCOS
import:         from AS24730 action pref=160; accept ANY
export:         to AS24730 announce AS-POCOS
import:         from AS9150 action pref=160; accept ANY
export:         to AS9150 announce AS-POCOS
import:         from AS57866 action pref=160; accept ANY
export:         to AS57866 announce AS-POCOS
import:         from AS2906 action pref=160; accept ANY
export:         to AS2906 announce AS-POCOS
remarks:        Customers
import:         from AS207357 action pref=160; accept AS207357
export:         to AS207357 announce ANY
import:         from AS201117 action pref=160; accept AS201117
export:         to AS201117 announce ANY
import:         from AS200342 action pref=160; accept AS200342
export:         to AS200342 announce ANY
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
notify:         noc@sewan.nl
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         SEWAN-NL-MNT
created:        2010-02-02T14:34:53Z
last-modified:  2026-05-11T21:14:35Z
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-PB32-RIPE
org-name:       Sewan Nederland B.V.
country:        NL
org-type:       LIR
address:        Dummy address for ORG-PB32-RIPE
# Email removed, Log into bgp.tools to see whois emails/phone numbers
abuse-c:        SWN50522
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        SEWAN-NL-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         POCOS-MNT
created:        2010-01-15T13:31:04Z
last-modified:  2026-05-13T07:20:34Z
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: 2026-06-05T03:26:14Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RIPE	as-lsc-ixp-connected	98
RIPE	as6777:as-ams-ix-rs-v6	737
RIPE	as50522:as-sewan-nl	3
RIPE	as6777:as-ams-ix-rs-sets-v6	89865
RIPE	as6777:as-ams-ix-rs	805
LEVEL3	as-lumen-customers-asns	10695
RIPE	as-manda-amsix-peers-v6	557
ARIN	as-xo-b	60317
RIPE	as6777:as-ams-ix-rs-sets	90297
RIPE	as9150:as-peers-nlix	25
RIPE	as-manda-amsix-peers-v4	594
RIPE	as9150:as-peers-amsix	144
RIPE	as-pocos	5