ASN Lookup Tool

Cznet s.r.o. cznet.cz CZ CZ 4 Routes

AS Data

AS204165

AS204165Cznet s.r.o.

AS Number 204165
AS Name CZNETSRO-AS
Organization Cznet s.r.o.(org-cs370-ripe)
Country CZ
Website cznet.cz
Number of IPv4 Routes 2
Number of IPv6 Routes 2
ASN type BUSINESS
Allocation Status ASSIGNED
Registry RIPE
Date Allocated 2015-08-07

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Use ASN data for AS204165 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
185.112.164.0/22 1024
2a06:6500::/29 ~634×10²⁷
185.102.96.0/22 1024
2a00:d3c0::/32 ~79×10²⁷

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 'AS203940 - AS205662'

as-block:       AS203940 - AS205662
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:        2026-03-05T15:29:31Z
last-modified:  2026-03-05T15:29:31Z
source:         RIPE

% Information related to 'AS204165'

% Abuse contact for 'AS204165' is 'abuse@cznet.cz'

aut-num:        AS204165
as-name:        CZNETSRO-AS
org:            ORG-CS370-RIPE
import:         from AS15685 accept ANY
import:         from AS29208 accept ANY
import:         from AS6830 accept ANY
export:         to AS29208 announce AS204165
export:         to AS15685 announce AS204165
export:         to AS6830 announce AS204165
admin-c:        VUCZ2-RIPE
tech-c:         VUCZ2-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         CZNETSRO-RIPE-MNT
created:        2015-08-07T12:54:47Z
last-modified:  2019-11-11T14:22:33Z
source:         RIPE

organisation:   ORG-CS370-RIPE
org-name:       Cznet s.r.o.
country:        CZ
org-type:       LIR
address:        Ke St�rce 1837/52
address:        18200
address:        Praha 8
address:        CZECH REPUBLIC
phone:          +420226517205
admin-c:        VUCZ2-RIPE
tech-c:         VUCZ2-RIPE
abuse-c:        AR32897-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        CZNETSRO-RIPE-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         CZNETSRO-RIPE-MNT
created:        2015-07-15T07:24:23Z
last-modified:  2025-12-18T09:31:40Z
source:         RIPE # Filtered

person:         Tech Support
address:        Ke St�rce 1837/52
address:        18200
address:        Praha 8
address:        CZECH REPUBLIC
phone:          +420226517205
nic-hdl:        VUCZ2-RIPE
mnt-by:         CZNETSRO-RIPE-MNT
created:        2015-07-31T07:32:37Z
last-modified:  2025-12-18T09:58:28Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.121.1 (BUSA)

Parsed Whois Response

Peers

AS Number Description Country
AS15685 CASABLANCA INT a.s. CZ
AS29208 Quantcom, a.s. CZ
AS6830 Liberty Global Europe Holding B.V. NL
AS16019 Vodafone Czech Republic a.s. CZ

Upstreams

AS Number Description Country
AS16019 Vodafone Czech Republic a.s. CZ

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Frequently Asked Questions

ASN AS204165 is an Autonomous System Number used to identify a network for BGP internet routing.
AS204165 is listed under Cznet s.r.o..
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.