Summary

NetName
OrgName
MasterDC s.r.o.
CIDR
RIR

RIPE

Country / Region
Status

Abuse

abuse@master.cz

Contact

noc@master.cz

RegDate

Updated

Routing

AS Desc Country / Region IPv4 NUMs IPv6 NUMs
AS1299 TWELVE99 - Arelion Sweden AB, SE Sweden 411392 77326778368
AS1764 NEXTLAYER-AS - Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH, AT Austria 84736 236223463424
AS6939 HURRICANE - Hurricane Electric LLC, US United States 458496 283043982606336
AS8218 NEO-ASN - Zayo Infrastructure France SA, FR France 47104 12884967424
AS9002 RETN-AS - RETN Limited, GB United Kingdom 26624 4831838208
AS14840 BR.Digital Telecom, BR Brazil 72960 14010613760
AS15943 WTNET-AS - wilhelm.tel GmbH, DE Germany 354560 38654836736
AS21320 GEANT_IAS_VRF - GEANT Vereniging, NL Netherlands 2048 0
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 20992 4294967296
AS32590 VALVE-CORPORATION - Valve Corporation, US United States 13568 2293760
AS37721 Virtual-Technologies-Solutions-SA - Virtual Technologies & Solutions, BF Burkina Faso 15872 8589934592
AS40994 Alwyzon - Hohl IT e.U., AT Austria 5632 38654705664
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 7168 68719476736
AS47692 NESSUS - Nessus GmbH, AT Austria 37376 34359869440
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 116992 356753080320
AS51184 FONIRA - Fonira Telekom GmbH, AT Austria 13824 111669149696
AS55818 MCIX-AS-AP - MC-IX Matrix Internet Exchange RS-1, ID Indonesia 2048 131072
AS59890 Kabel-TV-Lampert - Kabel-TV Lampert GmbH & Co KG, AT Austria 13312 34359738368
AS60602 INOVARE-AS - Inovare-Prim SRL, MD Moldova 3584 4294967296
AS212483 level86 - LEVEL EIGHTY-SIX COMMUNICATIONS LTD, GB United Kingdom 0 2031616
AS262355 VSX Networks, BR Brazil 8192 4294967296

Whois

inet6num:       2a01:430::/32
netname:        CZ-MASTER-20070809
country:        cz
org:            ORG-MIs2-RIPE
abuse-c:        MAIc-RIPE
abuse-mailbox:  abuse@master.cz
admin-c:        MIc28-RIPE
tech-c:         MIc28-RIPE
status:         ALLOCATED-BY-RIR
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MASTER-MNT
mnt-routes:     MASTER-MNT
notify:         zidek@master.cz
created:        2007-08-09T12:36:03Z
last-modified:  2017-01-17T13:19:40Z
source:         RIPE

organisation:   ORG-MIs2-RIPE
org-name:       MasterDC s.r.o.
country:        CZ
reg-nr:         26277557
org-type:       LIR
address:        Purkynova 3030/35e
address:        612 00
address:        Brno
address:        CZECH REPUBLIC
phone:          +420 777919700
e-mail:         lir-req@master.cz
mnt-ref:        MASTER-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MASTER-MNT
abuse-mailbox:  abuse@master.cz
admin-c:        PV352-RIPE
abuse-mailbox:  abuse@master.cz
admin-c:        JIPA-RIPE
abuse-mailbox:  abuse@master.cz
admin-c:        MZI-RIPE
abuse-mailbox:  abuse@master.cz
admin-c:        PZAK-RIPE
abuse-c:        MAIc-RIPE
created:        2004-04-17T11:04:37Z
last-modified:  2026-05-13T07:29:49Z
source:         RIPE

role:           Master Internet contact
address:        Master Internet s.r.o
address:        Jiraskova 21
address:        602 00 Brno
address:        Czech Republic
phone:          +420777919484
e-mail:         noc@master.cz
abuse-mailbox:  abuse@master.cz
admin-c:        PV352-RIPE
tech-c:         MZI-RIPE
tech-c:         JIPA-RIPE
nic-hdl:        MIc28-RIPE
mnt-by:         MASTER-MNT
created:        2006-07-27T12:32:08Z
last-modified:  2009-03-28T19:44:57Z
source:         RIPE

route6:         2a01:430::/32
descr:          MASTER-IPV6-1-MAI-CZ
origin:         AS24971
mnt-by:         MASTER-MNT
created:        2007-08-10T10:24:27Z
last-modified:  2007-08-10T10:24:27Z
source:         RIPE

Graph