Summary

NetName
OrgName
CESNET z.s.p.o.
CIDR
RIR

RIPE

Country / Region
Status

Abuse

abuse@cesnet.cz

Contact

PV@cesnet.cz

nic@ces.net

RegDate

Updated

Routing

AS Desc Country / Region IPv4 NUMs IPv6 NUMs
AS1853 ACOnet, AT Austria 334592 34359803905
AS2914 NTT-DATA-2914 - NTT America, Inc., US United States 6336512 30065033216
AS6461 ZAYO-6461 - Zayo Bandwidth, US United States 1751040 51808436224
AS6939 HURRICANE - Hurricane Electric LLC, US United States 455680 283043982540800
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 47104 12884967424
AS13058 serve-u-AS - serve-u - Buchholz und Suenderhauf GbR, DE Germany 2048 34359738368
AS15605 CONNESI - Connesi s.p.a., IT Italy 20992 17179869184
AS20932 SIG-ST - Services Industriels de Geneve, CH Switzerland 9472 4294967296
AS20965 GEANT - GEANT Vereniging, NL Netherlands 9216 8589934592
AS21320 GEANT_IAS_VRF - GEANT Vereniging, NL Netherlands 2048 0
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20992 4294967296
AS25091 IP-Max - IP-Max SA, CH Switzerland 15104 68719607808
AS29075 IELO - IELO-LIAZO SERVICES SAS, FR France 31232 107374247936
AS30844 LIQUID-AS - Liquid Telecommunications Ltd, GB United Kingdom 371200 38654705664
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 13568 2293760
AS34177 CELESTE-AS - Celeste SAS, FR France 229376 98784247808
AS40994 Alwyzon - Hohl IT e.U., AT Austria 5888 38654705664
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 7168 68719476736
AS48362 TKSWF-AS - Stadtwerke Feldkirch, AT Austria 7680 4294967296
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 116992 356753080320
AS51184 FONIRA - Fonira Telekom GmbH, AT Austria 13824 111669149696
AS60606 Blindspot - PRO-ZETA a.s., CZ Czech 1792 4295032832
AS199524 GCORE - G-Core Labs S.A., LU Luxembourg 126720 118226945
AS209823 ENKI-AS - Enki Multimedia EURL, FR France 768 4295360512

Whois

inet6num:       2001:718::/29
netname:        CZ-TEN-34-20010521
country:        CZ
org:            ORG-CA9-RIPE
abuse-c:        CZNA1-RIPE
abuse-mailbox:  abuse@cesnet.cz
admin-c:        PV2-RIPE
tech-c:         CNIC1-RIPE
status:         ALLOCATED-BY-RIR
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         TENCZ-MNT
mnt-lower:      TENCZ-MNT
mnt-routes:     AS2852-MNT
created:        2016-04-18T12:54:41Z
last-modified:  2021-08-09T15:50:59Z
source:         RIPE

organisation:   ORG-CA9-RIPE
org-name:       CESNET z.s.p.o.
country:        CZ
reg-nr:         63839172
org-type:       LIR
address:        Generála Píky 430/26, Dejvice
address:        160 00
address:        Praha 6
address:        CZECH REPUBLIC
phone:          +420 602 252 531
phone:          +420 234 680 222
e-mail:         nic@ces.net
abuse-mailbox:  abuse@cesnet.cz
admin-c:        CNIC1-RIPE
abuse-mailbox:  abuse@cesnet.cz
admin-c:        PK2565-RIPE
tech-c:         CZNA1-RIPE
abuse-c:        CZNA1-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        TENCZ-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         TENCZ-MNT
created:        2004-04-17T11:04:52Z
last-modified:  2026-05-13T07:25:41Z
source:         RIPE

role:           CESNET NIC
address:        CESNET, z.s.p.o.
address:        Generala Piky 430/26
address:        160 00
address:        Prague 6
address:        The Czech Republic
phone:          +420 234 680 218
e-mail:         nic@ces.net
e-mail:         nic@cesnet.cz
abuse-mailbox:  abuse@cesnet.cz
admin-c:        AK2268-RIPE
admin-c:        PV2-RIPE
admin-c:        JM22110-RIPE
admin-c:        PK2565-RIPE
tech-c:         AK2268-RIPE
tech-c:         PV2-RIPE
tech-c:         JM22110-RIPE
tech-c:         PK2565-RIPE
nic-hdl:        CNIC1-RIPE
notify:         notify@ces.net
mnt-by:         TENCZ-MNT
created:        2002-02-28T10:11:30Z
last-modified:  2023-05-18T15:11:47Z
source:         RIPE

person:         Pavel Vachek
address:        CESNET, z.s.p.o.
address:        Generala Piky 430/26
address:        Praha 6
address:        160 00
address:        The Czech Republic
phone:          +420 234 680 218
e-mail:         PV@cesnet.cz
nic-hdl:        PV2-RIPE
mnt-by:         TENCZ-MNT
created:        2002-09-20T15:24:15Z
last-modified:  2023-05-18T15:11:47Z
source:         RIPE

route6:         2001:718::/29
origin:         AS2852
mnt-by:         AS2852-MNT
created:        2022-02-26T20:43:04Z
last-modified:  2022-02-26T20:43:04Z
source:         RIPE

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