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

ripe

RegDate

N/A

Updated

2025-10-06T12:58:22Z

AS49101 Looking Glass
IPv4Prefixes

2

IPv6Prefixes

2

IPv4 NUMs

16,384

IPv6 NUMs(/64)

8,589,934,592

16,384 IPv4 Addresses
CIDR Description IP Num
46.36.32.0/19 GTT a.s. 8192
82.144.128.0/19 CEZNET s.r.o. 8192
CIDR Description IP NUMs(prefix /64)
2a02:d00::/32 CEZNET s.r.o. 4294967296
2a02:25b0::/32 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 2,816 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
AS211274 QCZ - Quadruple a.s., CZ Czech 256 25,769,803,776 IPv6 IPv6
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
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
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:  2025-10-06T12:58:22Z
source:         RIPE

organisation:   ORG-TBS13-RIPE
org-name:       CEZNET s.r.o.
country:        CZ
org-type:       LIR
address:        Duhova 1531/3
address:        140 00
address:        Praha 4
address:        CZECH REPUBLIC
phone:          +420 211 046 699
e-mail:         [email protected]
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:  2024-12-04T11:15:31Z
source:         RIPE

role:           CEZNET hostmaster
address:        CEZNET s.r.o.
address:        Vilemovska 1602
address:        Tachov
address:        347 01
address:        The Czech Republic
e-mail:         [email protected]
abuse-mailbox:  [email protected]
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