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	Prefix	Description
	89.106.160.0/21	TWS Technologies B.V.
	139.28.112.0/22	TWS Technologies B.V.
	185.3.176.0/22	TWS Technologies B.V.
	2a00:1bc8::/29	TWS Technologies B.V.
	2a07:3501:1230::/48	Waterschap De Dommel

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✔
	AS8455	atom86 BV	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS8455	atom86 BV	✔	✔
	AS174	Cogent Communications, LLC	✔	✔
	AS6939	Hurricane Electric LLC	✔	✔
	AS5405	Inter.link GmbH	✔	✔
	AS137409	GSL Networks Pty LTD	✔	✔
	AS34927	iFog GmbH	✘	✔
	AS61049	Exascale Ltd	✔	✔
	AS24961	WIIT AG (fka. myLoc Managed IT AG)	✔	✔
	AS58299	Openfactory GmbH	✔	✔
	AS8283	Netwerkvereniging Coloclue	✔	✔
	AS24940	Hetzner Online GmbH	✔	✔
	AS34019	Hivane Association	✔	✔
	AS25091	IP-Max SA	✔	✔
	AS9136	WOBCOM GmbH	✔	✔
	AS52025	ParadoxNetworks Limited	✔	✔
	AS24115	Equinix IX	✔	✔
	AS214809	Jere Kiitola trading as Stocade	✔	✔
	AS8298	IPng Networks GmbH	✔	✔
	AS49127	Asimo Networks B.V.	✔	✔
	AS213576	Robert Weir	✔	✔
	AS39351	31173 Services AB	✔	✔
	AS20495	We Dare B.V.	✔	✔
	AS207176	OPENFIBER B.V.	✔	✔
	AS21263	TeleData GmbH	✔	✔
	AS209823	Enki Multimedia EURL	✔	✔
	AS34872	Servperso Systems	✔	✔
	AS47536	PathConnect GmbH	✔	✔
	AS212635	Jurrian van Iersel	✔	✔
	AS211588	Innovation Harbor B.V.	✔	✔
	AS24482	SG.GS	✔	✔
	AS213052	Bram Wittendorp trading as BittenBytes	✔	✔
	AS209267	Velorum B.V.	✔	✔
	AS200132	Peter-Paul Maria Kurstjens	✔	✘
	AS200052	Feral.io Ltd	✔	✘
	AS215680	Luc Haaijer trading as Ferox Hosting	✔	✔
	AS51088	A2B IP B.V.	✔	✔
	AS205329	Kai-Jung Chen	✔	✔
	AS58057	Securebit AG	✔	✔
	AS400799	Pufferfish Studios LLC	✔	✔
	AS207487	Gustav Caplan	✔	✔
	AS212855	Jelle Luteijn	✔	✔
	AS211623	NAML B.V.	✔	✔
	AS50869	Free-IX Remote Peering	✔	✔
	AS39122	Blacknight Internet Solutions Limited	✔	✔
	AS207113	Cyrus Mbitao trading as Wofbit Networks	✔	✔
	AS11358	Tennant Software	✔	✔
	AS207994	Blockchain Creek B.V.	✔	✘
	AS44901	Belcloud LTD	✔	✘
	AS44854	Arend Brouwer	✔	✘
	AS60068	Datacamp Limited (CDN77 / DataPacket)	✘	✔
	AS8801	Rocket Fibre Ltd	✔	✔
	AS57344	Telehouse EAD	✔	✘
	AS212895	Johannes Ernst	✘	✔
	AS55285	Serverside.com	✔	✘
	AS53062	ALT | GRUPO BRASIL TECPAR	✔	✘
	AS45701	PT Internet Madju Abad Milenindo	✔	✘
	AS199752	Go-Trex Holding BV	✔	✘
	AS56662	Marcin Gondek	✘	✔
	AS209768	white2net Srl	✔	✘
	AS215248	Bastiaan Mathijs Brink	✔	✔
	AS50509	Transroute.Net	✔	✔
	AS216333	NetDev UG (haftungsbeschraenkt)	✔	✔
	AS31500	Global Network Management Inc	✔	✔
	AS202585	Nick Bouwhuis	✔	✔
	AS202365	Chronos	✔	✔
	AS199414	Noah Kolossa	✔	✔
	AS215296	Raoul Brouns	✔	✔
	AS2635	Automattic, Inc	✔	✔
	AS15169	Google LLC	✔	✔
	AS61029	DODW Holding B.V.	✔	✔
	AS34696	MISMELINK NETWORKS, SL	✔	✔
	AS205112	PHILUNET GmbH	✔	✔
	AS37739	Abantu Cloud Africa (Pty) Ltd	✔	✔
	AS48011	Turunc Smart Bilgisayar Teknoloji Ve Dis Ticaret Limi...	✔	✔
	AS15830	Equinix, Inc.	✔	✘
	AS44684	Mythic Beasts Ltd	✔	✘
	AS49600	NEAR IP, S.L.	✔	✔
	AS136557	Host Universal Pty Ltd	✔	✘
	AS1031	PEER 1031 LLC	✔	✘
	AS22356	Durand do Brasil Ltda	✘	✔
	AS44620	Netlen Internet Hizmetleri Ltd. Sti.	✔	✔
	AS8315	Accenture B. V.	✔	✘
	AS1239	Sprint Wireline (Cogent)	✔	✘
	AS38965	Rick van der Sterren trading as HostIn	✔	✘
	AS42093	InterRacks B.V.	✔	✘
	AS58075	X2com BV	✔	✘
	AS47927	WIFIWEB s.r.l.	✘	✔
	AS56630	Melbikomas UAB	✔	✘
	AS198468	Gijsbertus Henricus van Gemert trading as DutchIS	✘	✔

aut-num:        AS50554
as-name:        NCBV-BACKBONE
org:            ORG-TTB7-RIPE
remarks:        +---------------------------------------------------------+
remarks:        | Transit IPv4 |
remarks:        +---------------------------------------------------------+
remarks:        Atom86/Schuberg Philis:
import:         from AS8455 accept ANY
export:         to AS8455 announce AS-NCBV
remarks:        Cogent:
import:         from AS174 accept ANY
export:         to AS174 announce AS-NCBV
remarks:        +---------------------------------------------------------+
remarks:        | Transit IPv6 |
remarks:        +---------------------------------------------------------+
remarks:        Atom86/Schuberg Philis:
mp-import:      afi ipv6.unicast from AS8455 accept ANY
mp-export:      afi ipv6.unicast to AS8455 announce AS-NCBV
remarks:        Cogent:
mp-import:      afi ipv6.unicast from AS174 accept ANY
mp-export:      afi ipv6.unicast to AS174 announce AS-NCBV
remarks:        +---------------------------------------------------------+
remarks:        | Customers IPv4 |
remarks:        +---------------------------------------------------------+
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         TWSNETWORKS
mnt-by:         mdewolff
created:        2010-02-09T15:04:28Z
last-modified:  2025-04-22T07:18:00Z
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-TTB7-RIPE
org-name:       TWS Technologies B.V.
country:        NL
org-type:       LIR
address:        Dummy address for ORG-TTB7-RIPE
# Email removed, Log into bgp.tools to see whois emails
abuse-c:        AR50099-RIPE
mnt-ref:        mdewolff
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         mdewolff
created:        2018-12-28T13:25:05Z
last-modified:  2021-11-10T12:17:33Z
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: 2025-12-22T03:24:45Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RIPE	as-nbip	2968
RIPE	as51088:as-tmnl-ixp-peers	2916
RIPE	as-nbip6	2991
RIPE	as-ncbv	2