ASN Lookup Tool

cyrilek.net z.s. cyrilek.net CZ CZ 17 Routes

AS Data

AS51420

AS51420cyrilek.net z.s.

AS Number 51420
AS Name CYRILEK-AS
Organization cyrilek.net z.s.(org-cz27-ripe)
Country CZ
Website cyrilek.net
Number of IPv4 Routes 17
Number of IPv6 Routes 0
ASN type BUSINESS
Allocation Status ASSIGNED
Registry RIPE
Date Allocated 2010-08-19

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Use ASN data for AS51420 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
109.164.80.0/20 4096
109.164.87.0/24 256
109.164.64.0/20 4096
109.164.85.0/24 256
109.164.95.0/24 256
109.164.89.0/24 256
109.164.97.0/24 256
109.164.91.0/24 256
109.164.93.0/24 256
109.164.84.0/24 256

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 'AS51357 - AS51817'

as-block:       AS51357 - AS51817
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:        2025-02-13T13:57:44Z
last-modified:  2025-02-13T13:57:44Z
source:         RIPE

% Information related to 'AS51420'

% Abuse contact for 'AS51420' is 'info@cyrilek.net'

aut-num:        AS51420
as-name:        CYRILEK-AS
org:            ORG-CZ27-RIPE
import:         from AS49931 accept ANY
import:         from AS25424 accept ANY
import:         from AS28725 accept ANY
export:         to AS49931 announce AS51420
export:         to AS25424 announce AS51420
export:         to AS28725 announce AS51420
admin-c:        CA11405-RIPE
tech-c:         CA11405-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         lir-cz-cyrileknet-1-MNT
created:        2010-08-19T11:03:12Z
last-modified:  2024-02-22T08:36:15Z
source:         RIPE

organisation:   ORG-CZ27-RIPE
org-name:       cyrilek.net z.s.
country:        CZ
org-type:       LIR
address:        Spacilova 3194/38
address:        76701
address:        Kromeriz
address:        CZECH REPUBLIC
phone:          +420 571 110 986
admin-c:        CA11405-RIPE
tech-c:         CA11405-RIPE
abuse-c:        AR74256-RIPE
mnt-ref:        lir-cz-cyrileknet-1-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         lir-cz-cyrileknet-1-MNT
created:        2024-02-21T12:50:25Z
last-modified:  2024-02-21T12:50:25Z
source:         RIPE # Filtered

role:           cyrilek.net admin
address:        CZECH REPUBLIC
address:        Kromeriz
address:        76701
address:        Spacilova 3194/38
phone:          +420 571 110 986
nic-hdl:        CA11405-RIPE
mnt-by:         lir-cz-cyrileknet-1-MNT
created:        2024-02-21T12:50:23Z
last-modified:  2024-02-21T12:50:24Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.121.2 (ABERDEEN)

Parsed Whois Response

Peers

AS Number Description Country
AS44489 STARNET, s.r.o. CZ
AS28725 CETIN a.s. CZ
AS25424 CEZNET s.r.o. CZ
AS49931 STARNET, s.r.o. CZ

Upstreams

AS Number Description Country
AS44489 STARNET, s.r.o. CZ
AS28725 CETIN a.s. CZ

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Frequently Asked Questions

ASN AS51420 is an Autonomous System Number used to identify a network for BGP internet routing.
AS51420 is listed under cyrilek.net z.s..
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.