| Prefix | Description | |
|---|---|---|
![]() ![]() | 185.250.100.0/22 | Cortex, a.s. |
![]() ![]() | 2a0e:e580::/29 | Cortex, a.s. |


| ASN | Description | IPv4 | IPv6 | |
|---|---|---|---|---|
![]() | AS6855 | Slovak Telekom, a.s. | ✔ | ✔ |

| ASN | Description | IPv4 | IPv6 | |
|---|---|---|---|---|
![]() | AS6855 | Slovak Telekom, a.s. | ✔ | ✔ |
![]() | AS6939 | Hurricane Electric LLC | ✔ | ✔ |
![]() | AS5405 | Inter.link GmbH | ✔ | ✔ |
![]() | AS33891 | Core-Backbone GmbH | ✔ | ✔ |
![]() | AS8218 | Zayo Europe | ✔ | ✔ |
![]() | AS6204 | INTERKVM HOST SRL | ✔ | ✔ |
![]() | AS24940 | Hetzner Online GmbH | ✔ | ✔ |
![]() | AS14840 | BR.DIGITAL | ✔ | ✔ |
![]() | AS22356 | Durand do Brasil Ltda | ✔ | ✔ |
![]() | AS49544 | i3D.net B.V | ✔ | ✔ |
![]() | AS1764 | Next Layer Telecommunications | ✔ | ✔ |
![]() | AS24482 | SG.GS | ✔ | ✔ |
![]() | AS32590 | Valve Corporation | ✔ | ✔ |
![]() | AS40994 | Alwyzon (Hohl IT) | ✔ | ✔ |
![]() | AS9498 | Bharti Airtel Ltd. | ✔ | ✘ |
![]() | AS1820 | WNET TELECOM USA Corp. | ✔ | ✔ |
![]() | AS199524 | Gcore S.A. | ✔ | ✔ |
![]() | AS6663 | Türk Telekom International | ✔ | ✔ |
![]() | AS36236 | NetActuate, Inc | ✔ | ✔ |
![]() | AS42473 | Anexia Cloud Solutions GmbH | ✔ | ✔ |
![]() | AS21430 | WIA spol. s.r.o. | ✔ | ✘ |
![]() | AS4455 | IX Reach Ltd | ✔ | ✘ |
![]() | AS47927 | WIFIWEB s.r.l. | ✘ | ✔ |
![]() | AS53062 | ALT | GRUPO BRASIL TECPAR | ✔ | ✘ |
![]() | AS50698 | TETA s.r.o. | ✘ | ✔ |
![]() | AS61599 | EAI 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 | ASN Count |
|---|---|---|
| RIPE | as-nixcz-rsclients | 87435 |
| RIPE | as47200:as-nixcz-rsclients | 87435 |
| RIPE | as-gtscz-cust | 135 |
| RIPE | as-vodafone-cz | 268 |
IPv4: 1
IPv6: 1