AS Name
Org Name
Cesky urad zememericky a katastralni
Registry Region
Looking Glass






IPv6 NUMs(/64)


256 IPv4 Addresses
CIDR Description IP Num Cesky urad zememericky a katastralni 256
CIDR Description IP NUMs(prefix /64)
2001:67c:28b8::/48 Cesky urad zememericky a katastralni 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS57463 NetIX - NetIX Communications Ltd., BG Bulgaria 512 0 IPv4 IPv4 IPv6 IPv6
AS5610 O2-CZECH-REPUBLIC - O2 Czech Republic, a.s., CZ Czech 1,552,896 81,604,378,624 IPv6 IPv6
AS36236 NETACTUATE - NetActuate, Inc, US United States 99,328 5,933,629,440 IPv4 IPv4 IPv6 IPv6
AS39120 CONVERGENZE-AS - Convergenze S.p.A., IT Italy 92,672 4,294,967,296 IPv4 IPv4
AS41327 FIBERTELECOM-AS - Fiber Telecom S.p.A., IT Italy 8,192 68,719,476,736 IPv4 IPv4 IPv6 IPv6
AS202297 SKYLON - Skylon Solutions Limited, GB United Kingdom 512 4,295,360,512 IPv4 IPv4 IPv6 IPv6
AS263009 FORTE TELECOM LTDA., BR Brazil 3,072 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS2852 CESNET2 - CESNET z.s.p.o., CZ Czech 848,896 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS29504 LBCFREE - Freenet Liberec, z.s., CZ Czech 1,024 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS43531 IXREACH - IX Reach Ltd, GB United Kingdom 14,592 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS5394 Unidata - UNIDATA S.p.A., IT Italy 83,456 4,294,967,296 IPv4 IPv4
AS6881 NIXCZ - NIX.CZ z.s.p.o., CZ Czech 3,328 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS12767 PRAGONET-AS - T-Mobile Czech Republic a.s., CZ Czech 67,584 34,359,803,904 IPv4 IPv4 IPv6 IPv6
AS28186 ITS TELECOMUNICACOES LTDA, BR Brazil 49,152 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS28260 , BR Brazil 16,384 4,294,967,296 IPv4 IPv4
AS60501 SIRIUSTEC-IT - Sirius Technology SRL, IT Italy 4,864 107,374,182,400 IPv4 IPv4 IPv6 IPv6
AS34779 T-2-AS - T-2, d.o.o., SI Slovenia 202,752 34,359,738,368 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 514,816 282,635,155,472,384 IPv4 IPv4 IPv6 IPv6
AS8218 NEO-ASN - Zayo France SAS, FR France 56,064 42,950,524,928 IPv4 IPv4 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 22,784 4,294,967,296 IPv4 IPv4 IPv6 IPv6
IP Address Domain NUMs Domains 1 1 5 1 1 1 1 1 1 1
as-block:       AS28699 - AS28912
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:        2018-11-22T15:27:31Z
last-modified:  2018-11-22T15:27:31Z
source:         RIPE

aut-num:        AS28892
as-name:        CUZK-NET
org:            ORG-CA1156-RIPE
import:         from AS5610
                action pref=100;
                accept ANY
import:         from AS2819
                action pref=100;
                accept ANY
export:         to AS5610 announce AS28892
export:         to AS2819 announce AS28892
admin-c:        TORO2-RIPE
tech-c:         PM186-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         CUZK-MNT
created:        2003-03-27T16:15:12Z
last-modified:  2018-09-04T09:57:03Z
source:         RIPE # Filtered
sponsoring-org: ORG-STaN1-RIPE

organisation:   ORG-CA1156-RIPE
org-name:       Cesky urad zememericky a katastralni
org-type:       OTHER
address:        Pod Sidlistem 9/1800 Praha
abuse-c:        AR30106-RIPE
mnt-ref:        AS5610-MTN
mnt-by:         AS5610-MTN
created:        2012-03-06T13:12:04Z
last-modified:  2014-11-17T22:46:15Z
source:         RIPE # Filtered

person:         Petr Marek
address:        Czech Office for Surveying, Mapping and Cadastre
address:        Hybernska 2
address:        Prague 1
address:        111 21
address:        The Czech Republic
phone:          +420 2 21614260
fax-no:         +420 2 267367
nic-hdl:        PM186-RIPE
created:        1970-01-01T00:00:00Z
last-modified:  2016-04-05T14:59:24Z
mnt-by:         RIPE-NCC-LOCKED-MNT
source:         RIPE # Filtered

person:         Tomas Rousek
address:        Pod Sidlistem 9/1800
address:        Prague
address:        182 11
address:        Czech republic
phone:          +420 2 8404 1857
fax-no:         +420 2 4804 1557
nic-hdl:        TORO2-RIPE
mnt-by:         AS5610-MTN
created:        2002-12-06T13:07:29Z
last-modified:  2002-12-06T13:07:29Z
source:         RIPE # Filtered