AS210728 Cyso Group B.V.

Cyso Group B.V.

AS Number 210728

Registered on: 22 Sep 2021 (4 years old)
Registered to: nl.cysogroup (ripe)

Network status: Active, Allocated under RIPE

Network type: Unknown

Prefixes Originated: 3 IPv4, 1 IPv6

Upstreams

AS3356 - Lumen (Level 3)
AS25151 - Cyso Group B.V.

Rankings

#49 for AS Cone in Netherlands

#121 for Known Peers in Netherlands

Prefixes Originated

3 IPv4, 1 IPv6

Addresses Originated

3 /24's of IPv4

65536 /48's of IPv6

	Prefix	Description
	77.246.243.0/24	Cyso Group B.V.
	194.26.103.0/24	Cyso Group B.V.
	213.173.39.0/24	Cyso Group B.V.
	2a11:2440::/32	Cyso Group B.V.

Peers: 211

Upstreams: 2

Downstreams: 1 (Cone: 2)

Network Policy

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Chart Display Options

Display links using non straight lines

How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS3356	Lumen (Level 3)	✔	✔
	AS25151	Cyso Group B.V.	✔	✘

Peers

ASN	Description	IPv4	IPv6
AS3356	Lumen (Level 3)	✔	✔
AS44694	Cyso Group B.V.	✔	✔
AS6939	Hurricane Electric LLC	✔	✔
AS25151	Cyso Group B.V.	✔	✘
AS5405	Inter.link GmbH	✔	✔
AS137409	GSL Networks Pty LTD	✔	✔
AS34927	iFog GmbH	✔	✔
AS20562	Open Peering (Broadband Hosting B.V.)	✔	✔
AS58299	Openfactory GmbH	✔	✔
AS24961	WIIT AG (fka. myLoc Managed IT AG)	✔	✔
AS24940	Hetzner Online GmbH	✔	✔
AS8283	Netwerkvereniging Coloclue	✔	✔
AS6204	INTERKVM HOST SRL	✔	✔
AS34019	Hivane Association	✔	✔
AS50629	LWLcom GmbH	✔	✔
AS7195	EdgeUno	✔	✔
AS9136	WOBCOM GmbH	✔	✔
AS25091	IP-Max SA	✔	✔
AS34549	meerfarbig GmbH & Co. KG	✔	✔
AS47147	Anexia Cloud Solutions GmbH	✔	✔
AS52320	V.tal (GlobeNet)	✔	✔
AS33891	Core-Backbone GmbH	✔	✔
AS14840	BR.DIGITAL	✔	✔
AS8298	IPng Networks GmbH	✔	✔
AS199524	Gcore S.A.	✔	✔
AS37100	SEACOM Limited	✔	✔
AS216265	ARISTO NETWORKS LTD	✔	✘
AS7768	Nuh Ahmet Firat trading as TEKNET YAZILIM VE BILGISAY...	✔	✔
AS64289	Macarne.com	✔	✔
AS3214	xTom GmbH	✔	✔
AS22356	Durand do Brasil Ltda	✔	✔
AS35625	Eurofiber France SAS	✔	✔
AS52075	Wifirst S.A.S.	✔	✔
AS42184	TKRZ Stadtwerke GmbH	✔	✔
AS31027	GlobalConnect A/S	✔	✔
AS49544	i3D.net B.V	✔	✔
AS31500	Global Network Management Inc	✔	✔
AS6424	EDGOO NETWORKS	✔	✔
AS209823	Enki Multimedia EURL	✔	✔
AS21263	TeleData GmbH	✔	✔
AS35280	F5 Networks SARL	✔	✔
AS62255	BiMajLink d.o.o.	✔	✔
AS42541	Fiberby ApS	✔	✔
AS12400	Partner Communications Ltd.	✔	✘
AS200462	Lennart Seitz trading as "ETH-Services"	✔	✔
AS203329	NTT Global Data Centers EMEA GmbH	✔	✔
AS55850	Mercury NZ Limited	✔	✔
AS1764	Next Layer Telecommunications	✔	✔
AS47692	Nessus GmbH	✔	✔
AS12779	IT.Gate S.p.A.	✔	✔
AS24637	WEBDISCOUNT GmbH & Co. KG	✔	✔
AS13101	TNG Stadtnetz GmbH	✔	✔
AS9498	Bharti Airtel Ltd.	✔	✘
AS39351	31173 Services AB	✔	✔
AS8529	Zain Omantel International FZ-LLC	✔	✔
AS24482	SG.GS	✔	✔
AS48927	ESEVEN DevOps GmbH	✔	✔
AS6206	Netrouting B.V.	✔	✘
AS8218	Zayo Europe	✘	✔
AS48362	Stadtwerke Feldkirch	✔	✔
AS49600	NEAR IP, S.L.	✔	✔
AS12676	HKN GmbH	✔	✔
AS553	BelWü	✔	✔
AS16276	OVH SAS	✔	✔
AS205614	Medialine EuroTrade AG	✔	✔
AS12387	TON Total optical Networks AG	✔	✘
AS328366	FIRSTNET TECHNOLOGY SERVICES (PTY) LTD	✔	✘
AS29632	Netassist International EOOD	✘	✔
AS56987	ABACLOUDA SAS	✔	✔
AS29075	IELO-LIAZO SERVICES SAS	✔	✘
AS4651	The Communications Authority of Thailand (CAT)	✔	✔
AS63927	RISE	✔	✔
AS20485	TransTeleCom JSC	✔	✔
AS21473	PFALZKOM GmbH	✔	✔
AS5578	SWAN, a.s.	✔	✘
AS60171	AFR-IX TELECOM S.A.	✔	✔
AS51465	M3.NET Sp. z o.o. / Fixmap Group	✔	✘
AS41327	Fiber Telecom S.p.A.	✔	✔
AS56665	Proximus Luxembourg S.A.	✔	✔
AS51184	Fonira Telekom GmbH	✔	✔
AS25394	MK Netzdienste Verwaltungs GmbH trading as MK Netzdie...	✔	✔
AS57777	Jeroen Massar	✔	✔
AS2635	Automattic, Inc	✔	✔
AS30781	Free Pro SAS	✘	✔
AS62269	Lukas Schauer	✔	✔
AS4601	Antonios A. Chariton	✔	✔
AS48314	IP-Projects GmbH & Co. KG	✔	✔
AS30766	GGEW net GmbH	✔	✔
AS8540	AMA netwoRX GmbH	✔	✔
AS210752	Global Legal Entity Identifier Foundation	✔	✔
AS6695	DE-CIX Frankfurt Route Servers	✔	✔
AS49585	CoreRoute UG	✔	✔
AS37738	HOSTOWEB	✔	✔
AS52025	ParadoxNetworks Limited	✔	✔
AS20764	CJSC RASCOM	✔	✔
AS199938	Netzwerge GmbH	✔	✔
AS60144	3W Infra B.V.	✔	✔
AS1836	green.ch AG	✔	✔
AS215638	Cilix Limited	✔	✔
AS60345	icixs networks GmbH	✔	✔
AS15694	Atman Sp. z o.o.	✔	✔
AS34177	Celeste SAS	✔	✔
AS18403	FPT Telecom Company	✔	✔
AS51087	Bling Network Ltd	✘	✔
AS210821	Creasa VOF	✔	✔
AS12552	GlobalConnect (IP-Only)	✔	✔
AS207439	Korves.Net USA LLC	✔	✔
AS20473	The Constant Company, LLC	✔	✔
AS34953	RelAix Networks GmbH	✔	✔
AS14537	Continent 8 LLC	✔	✔
AS3204	xTom OU	✘	✔
AS203536	FNOH DSL Suedheide GmbH	✔	✘
AS36994	Vodacom	✔	✘
AS203489	WiMore S.r.l.	✔	✘
AS57344	Telehouse EAD	✔	✘
AS7713	PT Telkom Indonesia Tbk	✔	✘
AS198385	AlpineDC SA	✔	✘
AS12857	Manage Now GmbH	✔	✘
AS45701	PT Internet Madju Abad Milenindo	✔	✘
AS53062	ALT \| GRUPO BRASIL TECPAR	✔	✘
AS13237	euNetworks GmbH	✔	✘
AS8717	A1 Bulgaria EAD	✔	✘
AS6823	3C1B Telekomunikasyon ve Internet Hiz. San. ve Tic. A.S.	✔	✘
AS25160	Vorboss Limited	✔	✔
AS8772	NetAssist LLC	✔	✔
AS204333	Witalij Koweschnikow	✔	✔
AS1828	PacketFabric / Unitas Global	✘	✔
AS38193	Transworld Associates (Pvt.) Ltd.	✔	✔
AS44901	Belcloud LTD	✔	✘
AS44066	firstcolo GmbH	✔	✔
AS209114	Luiz Fernando Ribeiro Amaral	✔	✔
AS47605	FNE-Finland Oy	✔	✔
AS29691	Nine Internet Solutions AG	✔	✔
AS212024	Marc Schmitt	✔	✔
AS46427	SF Innovations Inc.	✔	✔
AS250	AS250.net Foundation	✔	✔
AS62023	NYNEX satellite OHG	✔	✔
AS13058	serve-u - Buchholz und Sünderhauf GbR	✔	✔
AS28716	Retelit Digital Services S.p.A.	✔	✔
AS8758	Iway AG	✔	✔
AS2854	LLC Orange Business Services	✔	✔
AS59645	Tobias Fiebig	✔	✔
AS58212	dataforest GmbH	✔	✔
AS199081	Lancom Ltd.	✔	✔
AS8767	M-net Telekommunikations GmbH	✔	✔
AS15943	wilhelm.tel GmbH	✔	✔
AS6057	Administracion Nacional de Telecomunicaciones	✔	✔
AS3330	eww ag	✔	✔
AS205112	PHILUNET GmbH	✔	✔
AS20292	miriquidi networks GmbH	✔	✔
AS208016	The Infrastructure Company GmbH	✔	✔
AS142271	EWS DS Networks Inc	✔	✔
AS39120	Convergenze S.p.A.	✔	✔
AS36236	NetActuate, Inc	✔	✔
AS42295	TBISS Ltd	✔	✔
AS52112	Gentlent GmbH	✔	✔
AS35320	Eurotranstelecom Ltd	✔	✔
AS215787	TELE90 Telecom GmbH	✔	✔
AS29467	LUXNETWORK S.A.	✔	✔
AS29208	Quantcom, a.s.	✔	✔
AS206014	SARL IPSET	✔	✔
AS64475	Freifunk Frankfurt am Main e.V.	✔	✔
AS12941	intersaar GmbH	✔	✔
AS211083	ServerGurus UG	✔	✔
AS8881	1&1 Versatel GmbH	✔	✔
AS215248	Bastiaan Mathijs Brink	✔	✘
AS8801	Rocket Fibre Ltd	✔	✔
AS210233	Pixinko SARL	✘	✔
AS196925	Azertelecom LLC	✔	✘
AS9050	Orange Romania S.A.	✔	✘
AS24724	Atman Sp. z o.o.	✔	✘
AS215724	Edgevana, Inc.	✔	✘
AS21013	eww ag	✔	✘
AS8551	Bezeq International Ltd.	✔	✘
AS4455	IX Reach Ltd	✔	✘
AS58057	Securebit AG	✔	✘
AS132337	Axclusive	✔	✘
AS209768	white2net Srl	✔	✘
AS196610	DE-CIX Academy	✔	✘
AS263444	Open X Tecnologia Ltda	✔	✔
AS31319	ESTRACOM SPA	✔	✘
AS264409	Huge Networks	✔	✘
AS35297	Dataline LLC	✔	✔
AS55685	PT Jala Lintas Media	✔	✘
AS29049	Delta Telecom Ltd	✔	✘
AS5713	Telkom SA Ltd.	✔	✘
AS16097	HL komm Telekommunikations GmbH	✔	✘
AS8473	Bahnhof AB	✔	✘
AS12859	BIT BV	✔	✔
AS3212	Telemach Slovenija d.o.o.	✔	✘
AS54309	NEGU	✔	✘
AS202617	Kering Eyewear S.p.A.	✔	✘
AS398465	Rackdog LLC	✔	✘
AS48266	Catixs Ltd	✔	✘
AS24679	kyberio GmbH	✔	✘
AS56662	Marcin Gondek	✘	✔
AS34170	Aztelekom LLC	✘	✔
AS60280	National Traffic Exchange Center (Belarus)	✔	✘
AS49121	Infinity Telecom, s.r.o.	✘	✔
AS39249	Netassist International EOOD	✘	✔
AS28283	Adyl Telecom	✔	✘
AS15830	Equinix, Inc.	✔	✘
AS213241	TECHIT.BE SRL	✘	✔
AS29390	Netassist International EOOD	✘	✔
AS200185	Aruba S.p.A.	✘	✔
AS49009	Freifunk Rheinland e.V.	✘	✔
AS1680	Cellcom Fixed Line Communication L.P	✘	✔
AS48173	Orange Business Digital Germany GmbH	✔	✔
AS559	SWITCH	✘	✔
AS37721	Virtual Technologies & Solutions	✘	✔
AS271253	LINK BRASIL TELECOMUNICACOES LTDA	✔	✘

Downstreams

	ASN	Description	IPv4	IPv6
	AS44694	Cyso Group B.V.	✔	✔

aut-num:        AS210728
as-name:        CYSO-AS-DE
org:            ORG-CGB5-RIPE
descr:          CYSO-AMS
import:         from AS25151 accept ANY
export:         to AS25151 announce ANY
descr:          LEVEL3
import:         from AS3356 accept ANY
export:         to AS3356 announce AS-CYSO
descr:          DE-CIX
import:         from AS51531 accept ANY
export:         to AS51531 announce AS-CYSO
descr:          FUGA
import:         from AS44694 accept ANY
export:         to AS44694 announce ANY
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         CYSO-MNT
created:        2021-09-22T12:43:19Z
last-modified:  2023-04-19T15:34:42Z
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-CGB5-RIPE
org-name:       Cyso Group B.V.
country:        NL
org-type:       LIR
address:        Dummy address for ORG-CGB5-RIPE
# Email removed, Log into bgp.tools to see whois emails/phone numbers
abuse-c:        AR63564-RIPE
mnt-ref:        CYSO-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         CYSO-MNT
created:        2021-07-07T09:11:51Z
last-modified:  2026-05-13T07:28:56Z
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: 2026-06-09T03:24:13Z UTC

Member of the following AS-SETs

-	Member	ASN Count
RIPE	as43252:as-decix-ham-rs	199
LEVEL3	as-lumen-customers-asns	10695
RIPE	as56890:as-decix-dus-rs	227
RIPE	as47228:as-decix-muc-connected	207
RIPE	as56890:as-decix-dus-connected	228
RIPE	as47228:as-decix-muc-rs	206
RIPE	as6695:as-decix-fra-rs-v6	1078
RIPE	as-cyso-de	2
RIPE	as-cyso	4
RIPE	as6695:as-decix-fra-connected	1079
RIPE	as43252:as-decix-ham-rs-v6	196
RIPE	as43252:as-decix-ham-connected	200
RIPE	as47228:as-decix-muc-rs-v6	207
RIPE	as6695:as-decix-fra-rs	1078
RIPE	as56890:as-decix-dus-rs-v6	228

Name	IPv4	IPv6	Link Speed
DE-CIX Munich	185.1.208.239	2001:7f8:44::623f:0:1	n/a
DE-CIX Frankfurt	80.81.197.61	2001:7f8::623f:0:1	n/a
DE-CIX Dusseldorf	185.1.171.41	2001:7f8:9e::623f:0:1	n/a
DE-CIX Hamburg	185.1.210.233	2001:7f8:3d::623f:0:1	n/a

View

Upstreams

Rankings

Network Policy

Prefixes in selected policy

Upstreams

Peers

Downstreams

Member of the following AS-SETs

Internet Exchange Points