AS49101 - KTCT-ASN - CEZNET s.r.o., CZ

Czech
AS Number
AS49101
AS Name
KTCT-ASN
Org Name
CEZNET s.r.o.
Country / Region
Czech
Registry

ripe

RegDate

Updated

2025-07-09T08:51:07Z

AS49101 Looking Glass
IPv4Prefixes

2

IPv6Prefixes

2

IPv4 NUMs

16,384

IPv6 NUMs(/64)

8,589,934,592

CIDR Description IP Num
46.36.32.0/19
IRR InValid
GTT a.s. 8192
82.144.128.0/19
IRR InValid
CEZNET s.r.o. 8192
CIDR Description IP NUMs(prefix /64)
2a02:d00::/32
IRR Valid
CEZNET s.r.o. 4294967296
2a02:25b0::/32
IRR Valid
GTT a.s. 4294967296
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS39791 TPS-AS - Telco Pro Services, a. s., CZ Czech 18,688 4,295,032,832 IPv4 IPv4 IPv6 IPv6
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS42422 SECURITYNET-AS - SecurityNet.cz s.r.o., CZ Czech 3,072 4,295,032,832 IPv4 IPv4 IPv6 IPv6
AS49244 SCANCOM - Scancom s.r.o., CZ Czech 256 34,359,738,368 IPv4 IPv4 IPv6 IPv6
AS51449 KTUO-AS - Kabelova televize Usti nad Orlici, spol. s r. o., CZ Czech 1,024 4,294,967,296 IPv4 IPv4 IPv6 IPv6

Whois Record

as-block AS47870 - AS49384

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
2025-07-09T08:51:07Z
last-modified
2025-07-09T08:51:07Z
source
RIPE

aut-num AS49101

aut-num
as-name
KTCT-ASN
org
ORG-TBS13-RIPE
import
from AS39791 accept ANY
from AS211274 accept ANY
from AS48960 accept ANY
from AS49025 accept ANY
from AS25512 accept ANY
from AS51731 accept ANY
from AS51331 accept ANY
from AS51499 accept ANY
from AS49244 accept ANY
from AS213770 accept AS213770
export
to AS39791 announce AS-KTCZ-NET
to AS211274 announce AS-KTCZ-NET
to AS48960 announce AS-KTCZ-NET
to AS49025 announce AS-KTCZ-NET
to AS51731 announce AS-KTCZ-NET
to AS25512 announce AS-KTCZ-NET
to AS51499 announce AS-KTCZ-NET
to AS51331 announce AS-KTCZ-NET
to AS49244 announce AS-KTCZ-NET
to AS213770 announce AS-KTCZ-NET
admin-c
CH13482-RIPE
tech-c
CH13482-RIPE
status
ASSIGNED
mnt-by
RIPE-NCC-END-MNT
CEZNET-MNT
created
2009-04-14T09:02:00Z
last-modified
2025-11-26T17:29:38Z
source
RIPE

organisation ORG-TBS13-RIPE

organisation
ORG-TBS13-RIPE
org-name
CEZNET s.r.o.
country
CZ
reg-nr
26378191
org-type
LIR
address
Duhova 1531/3
140 00
Praha 4
CZECH REPUBLIC
phone
+420 211 046 699
e-mail
dohled@ceznet.cz
admin-c
CH13482-RIPE
tech-c
CH13482-RIPE
abuse-c
CH13482-RIPE
mnt-ref
CEZNET-MNT
mnt-by
RIPE-NCC-HM-MNT
CEZNET-MNT
created
2017-04-26T07:50:49Z
last-modified
2026-05-13T07:38:07Z
source
RIPE

role CEZNET hostmaster

role
CEZNET hostmaster
address
CEZNET s.r.o.
Vilemovska 1602
Tachov
347 01
The Czech Republic
e-mail
dohled@ceznet.cz
abuse-mailbox
dohled@ceznet.cz
phone
+420 211 046 699
admin-c
MV6352-RIPE
tech-c
KD4331-RIPE
MJ83172-RIPE
nic-hdl
CH13482-RIPE
mnt-by
CEZNET-MNT
created
2024-01-12T08:23:53Z
last-modified
2024-01-12T08:25:01Z
source
RIPE
 

as-block:       AS47870 - AS49384
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:        2025-07-09T08:51:07Z
last-modified:  2025-07-09T08:51:07Z
source:         RIPE



aut-num:        AS49101
as-name:        KTCT-ASN
org:            ORG-TBS13-RIPE
import:         from AS39791 accept ANY
import:         from AS211274 accept ANY
import:         from AS48960 accept ANY
import:         from AS49025 accept ANY
import:         from AS25512 accept ANY
import:         from AS51731 accept ANY
import:         from AS51331 accept ANY
import:         from AS51499 accept ANY
import:         from AS49244 accept ANY
import:         from AS213770 accept AS213770
export:         to AS39791 announce AS-KTCZ-NET
export:         to AS211274 announce AS-KTCZ-NET
export:         to AS48960 announce AS-KTCZ-NET
export:         to AS49025 announce AS-KTCZ-NET
export:         to AS51731 announce AS-KTCZ-NET
export:         to AS25512 announce AS-KTCZ-NET
export:         to AS51499 announce AS-KTCZ-NET
export:         to AS51331 announce AS-KTCZ-NET
export:         to AS49244 announce AS-KTCZ-NET
export:         to AS213770 announce AS-KTCZ-NET
admin-c:        CH13482-RIPE
tech-c:         CH13482-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         CEZNET-MNT
created:        2009-04-14T09:02:00Z
last-modified:  2025-11-26T17:29:38Z
source:         RIPE

organisation:   ORG-TBS13-RIPE
org-name:       CEZNET s.r.o.
country:        CZ
reg-nr:         26378191
org-type:       LIR
address:        Duhova 1531/3
address:        140 00
address:        Praha 4
address:        CZECH REPUBLIC
phone:          +420 211 046 699
e-mail:         dohled@ceznet.cz
admin-c:        CH13482-RIPE
tech-c:         CH13482-RIPE
abuse-c:        CH13482-RIPE
mnt-ref:        CEZNET-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         CEZNET-MNT
created:        2017-04-26T07:50:49Z
last-modified:  2026-05-13T07:38:07Z
source:         RIPE

role:           CEZNET hostmaster
address:        CEZNET s.r.o.
address:        Vilemovska 1602
address:        Tachov
address:        347 01
address:        The Czech Republic
e-mail:         dohled@ceznet.cz
abuse-mailbox:  dohled@ceznet.cz
phone:          +420 211 046 699
admin-c:        MV6352-RIPE
tech-c:         KD4331-RIPE
tech-c:         MJ83172-RIPE
nic-hdl:        CH13482-RIPE
mnt-by:         CEZNET-MNT
created:        2024-01-12T08:23:53Z
last-modified:  2024-01-12T08:25:01Z
source:         RIPE