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The website screenshot for https://www.cortex.cz

Cortex, a.s.

AS Number204394
Websitehttps://www.cortex.cz

Registered on
20 Mar 2018 (7 years old)
Registered to
cz.cortex (ripe)
Network status
Active, Allocated under RIPE
Network type
Content
Prefixes Originated
1 IPv4, 1 IPv6

Upstreams

Prefixes Originated
1 IPv4, 1 IPv6
Addresses Originated
4 /24's of IPv4
524288 /48's of IPv6

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

 PrefixDescription
185.250.100.0/22Cortex, a.s.
2a0e:e580::/29Cortex, a.s.

Network PolicyThis info take up to 2 hours to fully update

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Prefixes in selected policy


How are upstreams and downstreams calculated?

UpstreamsThis information was fetched live at page load time

 ASNDescriptionIPv4IPv6
AS6855Slovak Telekom, a.s.

PeersThis information was fetched live at page load time

 ASNDescriptionIPv4IPv6
AS6855Slovak Telekom, a.s.
AS6939Hurricane Electric LLC
AS5405Inter.link GmbH
AS33891Core-Backbone GmbH
AS8218Zayo Europe
AS6204INTERKVM HOST SRL
AS24940Hetzner Online GmbH
AS14840BR.DIGITAL
AS22356Durand do Brasil Ltda
AS49544i3D.net B.V
AS1764Next Layer Telecommunications
AS24482SG.GS
AS32590Valve Corporation
AS40994Alwyzon (Hohl IT)
AS9498Bharti Airtel Ltd.
AS1820WNET TELECOM USA Corp.
AS199524Gcore S.A.
AS6663Türk Telekom International
AS36236NetActuate, Inc
AS42473Anexia Cloud Solutions GmbH
AS21430WIA spol. s.r.o.
AS4455IX Reach Ltd
AS47927WIFIWEB s.r.l.
AS53062ALT | GRUPO BRASIL TECPAR
AS50698TETA s.r.o.
AS61599EAI TELECOMUNICACOES LTDA
aut-num:AS204394as-name:        CORTEXorg:ORG-CA1874-RIPEimport:         fromAS5588 accept ANYexport:         toAS5588 announceAS204394import:         fromAS16019 accept ANYexport:         toAS16019 announceAS204394admin-c:        DUMY-RIPEtech-c:         DUMY-RIPEstatus:         ASSIGNEDmnt-by:         RIPE-NCC-END-MNTmnt-by:         cz-cortex-1-mntcreated:        2018-03-20T08:41:33Zlast-modified:  2020-08-17T12:58:05Zsource:         RIPEremarks:        ****************************remarks:        * THIS OBJECT IS MODIFIEDremarks:        * Please note that all data that is generally regarded as personalremarks:        * data has been removed from this object.remarks:        * To view the original object, please query the RIPE Database at:remarks:        * http://www.ripe.net/whoisremarks:        ****************************organisation:ORG-CA1874-RIPEorg-name:       Cortex, a.s.country:        CZorg-type:       LIRaddress:        Dummy address forORG-CA1874-RIPE# Email removed, Log into bgp.tools to see whois emailsabuse-c:        AR45584-RIPEmnt-ref:        cz-cortex-1-mntmnt-by:         RIPE-NCC-HM-MNTmnt-by:         cz-cortex-1-mntcreated:        2018-03-19T07:24:18Zlast-modified:  2020-12-16T13:32:27Zsource:         RIPEremarks:        ****************************remarks:        * THIS OBJECT IS MODIFIEDremarks:        * Please note that all data that is generally regarded as personalremarks:        * data has been removed from this object.remarks:        * To view the original object, please query the RIPE Database at:remarks:        * http://www.ripe.net/whoisremarks:        ****************************
Last Update: 2025-11-25T03:25:50Z UTC

Member of the following AS-SETs

-MemberASN Count
RIPEas-nixcz-rsclients

87435

RIPEas47200:as-nixcz-rsclients

87435

RIPEas-gtscz-cust135
RIPEas-vodafone-cz268

Go to PeeringDB page

Suggested Prefix Limits

IPv4: 1

IPv6: 1

Internet Exchange Points

 NameIPv4IPv6Link Speed
NIX.CZ91.210.17.472001:7f8:14::d3:11000 mbps
Last Update: 2025-11-26T10:08:19Z UTC

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