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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
	185.43.134.0/24	E-NS-NIC-CZ Second Anycast Cloud
	212.237.229.0/24	F-NS-NIC-CZ Second Anycast Cloud
	193.29.206.0/24	D.NS.NIC.CZ Anycast Cloud
	194.0.14.0/24	CZ.NIC, z.s.p.o.
	2001:678:1::/48	CZ.NIC, z.s.p.o.
	2001:678:11::/48	CZ.NIC, z.s.p.o.
	2001:148f:fffb::/48	F-NS-NIC-CZ Second Anycast Cloud
	2001:148f:fffd::/48	E-NS-NIC-CZ Second Anycast Cloud

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS1299	Arelion (fka. Telia Carrier)	✔	✔
	AS6939	Hurricane Electric LLC	✘	✔
	AS5459	London Internet Exchange Ltd.	✔	✔
	AS7521	INTERNET MULTIFEED CO.	✔	✔
	AS1853	ACONET	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS6939	Hurricane Electric LLC	✔	✔
	AS1299	Arelion (fka. Telia Carrier)	✔	✔
	AS1853	ACONET	✔	✔
	AS5459	London Internet Exchange Ltd.	✔	✔
	AS7521	INTERNET MULTIFEED CO.	✔	✔
	AS6461	Zayo Bandwidth	✔	✔
	AS5405	Inter.link GmbH	✔	✔
	AS20473	The Constant Company, LLC	✔	✔
	AS137409	GSL Networks Pty LTD	✔	✘
	AS61049	Exascale Ltd	✔	✔
	AS9002	RETN Limited	✔	✔
	AS6204	INTERKVM HOST SRL	✔	✔
	AS25091	IP-Max SA	✔	✔
	AS52025	ParadoxNetworks Limited	✔	✔
	AS49544	i3D.net B.V	✔	✔
	AS3170	VeloxServ Communications Ltd	✔	✔
	AS24940	Hetzner Online GmbH	✔	✔
	AS20562	Open Peering (Broadband Hosting B.V.)	✔	✔
	AS34549	meerfarbig GmbH & Co. KG	✔	✔
	AS215638	Cilix Limited	✔	✔
	AS52075	Wifirst S.A.S.	✔	✔
	AS207841	Inferno Communications Ltd	✔	✔
	AS8218	Zayo Europe	✔	✔
	AS48070	DSM (GB) Limited	✔	✔
	AS37100	SEACOM Limited	✔	✔
	AS200052	Feral.io Ltd	✔	✘
	AS9370	SAKURA Internet Inc.	✔	✘
	AS150363	SoftEther Corporation	✘	✔
	AS3214	xTom GmbH	✔	✔
	AS1828	Unitas Global	✔	✔
	AS4651	The Communications Authority of Thailand (CAT)	✔	✔
	AS6830	Liberty Global Europe Holding B.V.	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS50304	Blix Solutions AS	✔	✔
	AS2515	Japan Network Information Center	✔	✔
	AS2635	Automattic, Inc	✔	✔
	AS29075	IELO-LIAZO SERVICES SAS	✔	✔
	AS52320	V.tal (GlobeNet)	✔	✔
	AS34927	iFog GmbH	✔	✔
	AS6424	EDGOO NETWORKS	✔	✔
	AS399728	P Foundation	✔	✘
	AS44684	Mythic Beasts Ltd	✔	✔
	AS2907	Science Information Network	✔	✔
	AS24482	SG.GS	✔	✔
	AS3303	Swisscom (Schweiz) AG	✔	✘
	AS47147	Anexia Cloud Solutions GmbH	✔	✘
	AS8801	Rocket Fibre Ltd	✔	✔
	AS8849	Melbikomas UAB	✔	✔
	AS212027	PebbleHost Ltd	✔	✔
	AS41000	Freethought Internet Limited	✔	✔
	AS48101	Trooli Ltd.	✔	✔
	AS35280	F5 Networks SARL	✔	✔
	AS61231	Neos Networks (SSE PLC)	✔	✔
	AS37468	Angola Cables	✔	✔
	AS55850	Mercury NZ Limited	✔	✔
	AS835	GoCodeIT Inc	✔	✘
	AS30844	Liquid Intelligent Technologies	✔	✔
	AS39351	31173 Services AB	✔	✘
	AS60171	AFR-IX TELECOM S.A.	✔	✔
	AS39122	Blacknight Internet Solutions Limited	✔	✔
	AS40994	Alwyzon (Hohl IT)	✔	✔
	AS47692	Nessus GmbH	✔	✔
	AS58453	China Mobile International	✔	✘
	AS15576	NTS workspace AG	✔	✔
	AS63802	Nippon Telegraph and Telephone East Corporation	✔	✘
	AS140627	OneQode	✔	✘
	AS12552	GlobalConnect (IP-Only)	✔	✔
	AS8540	AMA netwoRX GmbH	✔	✔
	AS18526	DDPS Networks, LLC	✔	✔
	AS49600	NEAR IP, S.L.	✔	✘
	AS206735	Novelcomm LP	✘	✔
	AS212655	YouFibre Limited	✔	✔
	AS25369	Hydra Communications Ltd	✔	✔
	AS37497	Network Platforms (PTY) LTD	✔	✘
	AS7195	EdgeUno	✔	✔
	AS6661	POST Luxembourg	✔	✘
	AS399486	Virtuo	✔	✘
	AS212683	Olilo UK & Ireland Ltd	✔	✔
	AS201838	Community Fibre Limited	✔	✔
	AS213241	TECHIT.BE SRL	✔	✔
	AS34309	Link11 GmbH	✘	✔
	AS51184	Fonira Telekom GmbH	✔	✔
	AS8966	Etisalat (ETC)	✔	✘
	AS13237	euNetworks GmbH	✔	✔
	AS63927	RISE	✔	✔
	AS4455	IX Reach Ltd	✔	✘
	AS137182	Blue Wireless PTE LTD	✔	✔
	AS48362	Stadtwerke Feldkirch	✔	✔
	AS25160	Vorboss Limited	✔	✔
	AS60068	Datacamp Limited (CDN77 / DataPacket)	✔	✘
	AS7575	Australian Academic and Research Network (AARNet)	✔	✔
	AS21013	eww ag	✔	✔
	AS35492	FunkFeuer Wien - Verein zur Foerderung freier Netze	✔	✘
	AS37662	West Indian Ocean Cable Company (WIOCC)	✔	✘
	AS328748	Agile Solutions Provider (PTY) LTD	✔	✘
	AS9299	PLDT (Philippine Long Distance Telephone Company)	✔	✘
	AS215955	ALTEASYSTEMS OU	✔	✘
	AS23815	Japan Internet Xing Co., Ltd.	✔	✘
	AS44765	MakeNewMedia Communications GmbH	✔	✔
	AS153371	BACK WAVES LIMITED	✔	✘
	AS50698	TETA s.r.o.	✔	✔
	AS17686	ACCELIA	✔	✘
	AS35297	Dataline LLC	✘	✔
	AS34087	NTE TELEKOM AS	✔	✘
	AS48825	Fast2host - Fast4networks Ltd	✔	✘
	AS28792	Public Internet Ltd	✔	✘
	AS13009	Redcentric Solutions Ltd	✔	✘
	AS56595	Fluency Communications Ltd	✔	✘
	AS15169	Google LLC	✔	✘
	AS3330	eww ag	✔	✔
	AS62217	Vinters IT Ltd	✔	✘
	AS38158	PT Cyberindo Aditama	✔	✔
	AS41230	ASK4 Limited	✔	✘
	AS20326	TeraSwitch Networks Inc.	✘	✔
	AS41495	Faelix Limited	✔	✘
	AS5713	Telkom SA Ltd.	✔	✘
	AS34177	CELESTE SAS	✔	✘
	AS42295	TBISS Ltd	✔	✔
	AS47638	Cadence Networks Ltd	✔	✘
	AS45701	PT Internet Madju Abad Milenindo	✔	✘
	AS29119	AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL	✔	✘
	AS42473	Anexia Cloud Solutions GmbH	✔	✔
	AS56665	Proximus Luxembourg S.A.	✔	✔
	AS199524	Gcore S.A.	✔	✔
	AS16637	MTN SA (Bayobab)	✔	✘
	AS29017	NTT Data Centers (Gyron)	✔	✘
	AS21430	WIA spol. s.r.o.	✔	✘
	AS49121	Infinity Telecom, s.r.o.	✔	✔
	AS215120	Evolus IT Solutions GmbH	✔	✘
	AS54309	NEGU	✔	✘
	AS57344	Telehouse EAD	✔	✘
	AS36994	Vodacom	✔	✘
	AS42831	UK Dedicated Servers Limited	✔	✘
	AS64049	Reliance Jio Infocomm Pte. Ltd.	✔	✘
	AS20485	TransTeleCom JSC	✔	✘
	AS55818	Matrix Cable Internet Exchange	✔	✘
	AS57304	RETN Russia	✘	✔
	AS213605	Liu HaoRan	✘	✔
	AS31500	Global Network Management Inc	✔	✘
	AS12713	Ote SA (Hellenic Telecommunications Organisation)	✔	✘
	AS132337	Axclusive	✔	✘
	AS42689	Glide Student & Residential Limited	✔	✘
	AS3212	Telemach Slovenija d.o.o.	✔	✘
	AS55685	PT Jala Lintas Media	✔	✘
	AS6206	Netrouting B.V.	✔	✘

aut-num:        AS200070
as-name:        CZNIC-AS2
org:            ORG-Cz1-RIPE
remarks:
remarks:        ----------------------------------------------------------------------
remarks:        TRANSIT IMPORT
mp-import:      afi any.unicast from AS200070:AS-TRANSIT accept ANY
remarks:
remarks:        EXCHANGE POINTS IMPORT
mp-import:      afi any.unicast from AS200070:AS-IX accept ANY
remarks:        ----------------------------------------------------------------------
remarks:
remarks:        ----------------------------------------------------------------------
remarks:        TRANSIT EXPORT
mp-export:      afi any.unicast to AS200070:AS-TRANSIT announce AS-CZNIC
remarks:
remarks:        EXCHANGE POINTS EXPORT
mp-export:      afi any.unicast to AS200070:AS-IX announce AS-CZNIC
remarks:        ----------------------------------------------------------------------
remarks:
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         CZ-NIC-MNT
created:        2013-10-16T10:17:51Z
last-modified:  2017-11-15T12:29:16Z
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-Cz1-RIPE
org-name:       CZ.NIC, z.s.p.o.
country:        CZ
org-type:       LIR
address:        Dummy address for ORG-Cz1-RIPE
# Email removed, Log into bgp.tools to see whois emails
mnt-ref:        CZ-NIC-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         CZ-NIC-MNT
abuse-c:        CZ-RIPE
created:        2004-04-17T11:04:42Z
last-modified:  2020-12-16T13:27:07Z
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: 2025-12-22T03:24:55Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-iij	4729
RADB	as-mfeed	9
JPIRR	as-mfeed	9
RIPE	as-vix-members	189
RIPE	as-acoserv	7
RIPE	as-manda-linx-peers-v6	417
RIPE	as-manda-linx-peers-v4	414
RADB	as-iij6	4101
RADB	as-hurricanev6	20179
JPIRR	as-iij6	4101
ARIN	as1239:as-customers	4238
RADB	as-ctbc-customers117	50
RIPE	as-cznic	3
RIPE	as-linx	10
JPIRR	as-iij	4729
RIPE	as-cznic-transit	15