206208 looking glass

AS49101 CEZNET s.r.o. 🇨🇿 CZ

Announcing 4 prefixes, seen at the RIS collectors.

IPv4 prefixes
2
16,384 (64 × /24)
IPv6 prefixes
2
2 × /32
Upstreams
1
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
3
transit customers observed
Customer cone
4
ASes reachable through it

Registry and operator data

AS number
AS49101
Name
CEZNET s.r.o.
Organisation
KABELOVA TELEVIZE CZ
Country
🇨🇿 CZ
RIR
RIPENCC
Allocated
2009-04-14
Scope
Not Disclosed
Peering policy
Open
PeeringDB
net/32434

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

4 valid (100.0%) 0 invalid (0.0%) 0 no ROA (0.0%)

Whois

Fetched from whois.ripe.net

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
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 # Filtered

role:           CEZNET hostmaster
address:        CEZNET s.r.o.
address:        Vilemovska 1602
address:        Tachov
address:        347 01
address:        The Czech Republic
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 # Filtered