AS204394 - CORTEX - Cortex, a.s., CZ

Czech
AS Number
AS204394
AS Name
CORTEX
Org Name
Cortex, a.s.
Country / Region
Czech
Registry

ripe

RegDate

Updated

2026-03-05T15:29:31Z

AS204394 Looking Glass
IPv4Prefixes

1

IPv6Prefixes

1

IPv4 NUMs

1,024

IPv6 NUMs(/64)

34,359,738,368

CIDR Description IP Num
185.250.100.0/22
IRR Valid
Cortex, a.s. 1024
CIDR Description IP NUMs(prefix /64)
2a0e:e580::/29
IRR Valid
Cortex, a.s. 34359738368
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS6855 SK-TELEKOM - Slovak Telekom, a.s., SK Slovakia 663,296 38,671,876,096 IPv4 IPv4 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 458,496 283,043,982,606,336 IPv4 IPv4 IPv6 IPv6
AS22356 Durand do Brasil Ltda, BR Brazil 25,856 4,294,967,296 IPv4 IPv4
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20,992 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 13,568 2,293,760 IPv4 IPv4 IPv6 IPv6
AS6204 ZET-NET - INTERKVM HOST SRL, RO Romania 3,840 268,500,999 IPv4 IPv4 IPv6 IPv6

Whois Record

as-block AS203940 - AS205662

as-block
descr
RIPE NCC ASN block
remarks
These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by
RIPE-NCC-HM-MNT
created
2026-03-05T15:29:31Z
last-modified
2026-03-05T15:29:31Z
source
RIPE

aut-num AS204394

aut-num
as-name
CORTEX
org
ORG-CA1874-RIPE
import
from AS5588 accept ANY
from AS16019 accept ANY
export
to AS5588 announce AS204394
to AS16019 announce AS204394
admin-c
MV80-RIPE
tech-c
MV80-RIPE
status
ASSIGNED
mnt-by
RIPE-NCC-END-MNT
cz-cortex-1-mnt
created
2018-03-20T08:41:33Z
last-modified
2020-08-17T12:58:05Z
source
RIPE

organisation ORG-CA1874-RIPE

organisation
ORG-CA1874-RIPE
org-name
Cortex, a.s.
country
CZ
reg-nr
47125616
org-type
LIR
address
U Elektry 974/1c
19000
Prague
CZECH REPUBLIC
phone
+420266610466
e-mail
info@cortex.cz
admin-c
MV13462-RIPE
tech-c
MV13462-RIPE
abuse-c
AR45584-RIPE
mnt-ref
cz-cortex-1-mnt
mnt-by
RIPE-NCC-HM-MNT
cz-cortex-1-mnt
created
2018-03-19T07:24:18Z
last-modified
2026-05-13T07:10:44Z
source
RIPE

person Martin Valasek

person
Martin Valasek
address
Slovakia
phone
+421 907 133135
e-mail
valasek@cortex.cz
martinko@sq.sk
nic-hdl
MV80-RIPE
mnt-by
MNT-CORTEX
created
2001-10-05T19:20:50Z
last-modified
2011-05-12T11:52:16Z
source
RIPE
remarks
http://martinko.eu.org
 

as-block:       AS203940 - AS205662
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2026-03-05T15:29:31Z
last-modified:  2026-03-05T15:29:31Z
source:         RIPE



aut-num:        AS204394
as-name:        CORTEX
org:            ORG-CA1874-RIPE
import:         from AS5588 accept ANY
export:         to AS5588 announce AS204394
import:         from AS16019 accept ANY
export:         to AS16019 announce AS204394
admin-c:        MV80-RIPE
tech-c:         MV80-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         cz-cortex-1-mnt
created:        2018-03-20T08:41:33Z
last-modified:  2020-08-17T12:58:05Z
source:         RIPE

organisation:   ORG-CA1874-RIPE
org-name:       Cortex, a.s.
country:        CZ
reg-nr:         47125616
org-type:       LIR
address:        U Elektry 974/1c
address:        19000
address:        Prague
address:        CZECH REPUBLIC
phone:          +420266610466
e-mail:         info@cortex.cz
admin-c:        MV13462-RIPE
tech-c:         MV13462-RIPE
abuse-c:        AR45584-RIPE
mnt-ref:        cz-cortex-1-mnt
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         cz-cortex-1-mnt
created:        2018-03-19T07:24:18Z
last-modified:  2026-05-13T07:10:44Z
source:         RIPE

person:         Martin Valasek
address:        Slovakia
phone:          +421 907 133135
e-mail:         valasek@cortex.cz
e-mail:         martinko@sq.sk
nic-hdl:        MV80-RIPE
mnt-by:         MNT-CORTEX
created:        2001-10-05T19:20:50Z
last-modified:  2011-05-12T11:52:16Z
source:         RIPE
remarks:        http://martinko.eu.org