ASN Lookup Tool

AS57728
CEZNET s.r.o. CZ CZ 8 Routes

AS57728CEZNET s.r.o.

AS Number 57728
AS Name TELIN-AS
Organization CEZNET s.r.o.(org-tbs13-ripe)
Country CZ
Website ceznet.cz
Number of IPv4 Routes 5
Number of IPv6 Routes 3
ASN type ISP
Allocation Status allocated
Registry RIPE
Date Allocated 2019-10-21

IP Ranges

Route # IPs
109.234.40.0/21 2048
2a0a:b6c0::/32 ~79×10²⁷
2a00:1807::/32 ~79×10²⁷
185.255.116.0/22 1024
81.25.16.0/21 2048
2a00:1800::/32 ~79×10²⁷
188.122.192.0/19 8192
81.25.24.0/21 2048

Raw Whois Response

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to 'AS57370 - AS57973'

as-block:       AS57370 - AS57973
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:        2025-04-24T14:15:44Z
last-modified:  2025-04-24T14:15:44Z
source:         RIPE

% Information related to 'AS57728'

% Abuse contact for 'AS57728' is 'dohled@ceznet.cz'

aut-num:        AS57728
as-name:        CEZNET-AS
org:            ORG-TBS13-RIPE
remarks:        ---- NIX.CZ ----
import:         from AS47200 accept ANY
export:         to AS47200 announce AS-SET-HELIOSMB
remarks:        ---- PEERING.CZ ----
import:         from AS61195 accept ANY
export:         to AS61195 announce AS-SET-HELIOSMB
remarks:        ---- Telia ----
import:         from AS1299 accept ANY
export:         to AS1299 announce AS-SET-HELIOSMB
remarks:        ---- TPS ----
import:         from AS39791 accept ANY
export:         to AS39791 announce AS-SET-HELIOSMB
remarks:        ---- Superhosting.cz ----
import:         from AS39392 accept ANY
export:         to AS39392 announce AS-SET-HELIOSMB
remarks:        ---- Cerberos ----
import:         from AS42477 accept ANY
export:         to AS42477 announce AS-SET-HELIOSMB
remarks:        ---- 4NET ----
import:         from AS198346 accept AS198346
export:         to AS198346 announce AS-SET-HELIOSMB
remarks:        ---- CSC ----
import:         from AS62298 accept AS62298
export:         to AS62298 announce AS-SET-HELIOSMB
remarks:        ---- UPC ----
import:         from AS6830 accept ANY
export:         to AS6830 announce AS57728
admin-c:        CH13482-RIPE
tech-c:         CH13482-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         CEZNET-MNT
created:        2019-10-21T06:50:54Z
last-modified:  2025-09-26T09:55:20Z
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
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 # 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

% This query was served by the RIPE Database Query Service version 1.119 (SHETLAND)
            

Parsed Whois Response

Peers

AS Number Description Country
AS61195 Peering.cz s.r.o. CZ
AS42477 RIPE Network Coordination Centre NL
AS39392 SH.cz s.r.o. CZ
AS198346 NETFORMS s.r.o. CZ
AS1299 Arelion Sweden AB SE
AS39791 Telco Pro Services, a. s. CZ
AS6830 Liberty Global B.V. NL
AS47200 NIX.CZ z.s.p.o. CZ
AS62298 Computer Systems Consulting s.r.o. CZ

Upstreams

AS Number Description Country
AS39791 Telco Pro Services, a. s. CZ

Contacts

Email Contacts

Abuse Contacts

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