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AS51586 ServerZone s.r.o. | IPGeolocation.io

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

ASN Lookup Tool

ServerZone s.r.o. serverzone.cz

CZ 4 Routes

AS Data

AS51586

AS51586 – ServerZone s.r.o.

AS Number	51586
AS Name	SERVERZONECZ
Organization	ServerZone s.r.o. (org-ss771-ripe)
Country	CZ
Website	serverzone.cz
Number of IPv4 Routes	2
Number of IPv6 Routes	2
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2023-01-17

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
212.18.101.0/24	AS51586	ServerZone s.r.o.	Lokama BT s. r. o.	256
2a0b:bdc0::/32	AS51586	ServerZone s.r.o.	ServerZone s.r.o.	~79×10²⁷
2a12:5c00::/32	AS51586	ServerZone s.r.o.	New Mind s.r.o.	~79×10²⁷
185.216.220.0/22	AS51586	ServerZone s.r.o.	SERVERZONE SHARED	1024

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 'AS51586'

% Abuse contact for 'AS51586' is 'abuse@serverzone.cz'

aut-num:        AS51586
as-name:        SERVERZONECZ
org:            ORG-SS771-RIPE
import:         from AS42000 accept ANY
export:         to AS42000 announce AS51586
admin-c:        JS19658-RIPE
tech-c:         JS19658-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         cz-serverzone-1-mnt
created:        2023-01-17T12:39:50Z
last-modified:  2023-01-17T15:55:18Z
source:         RIPE

organisation:   ORG-SS771-RIPE
org-name:       ServerZone s.r.o.
country:        CZ
org-type:       LIR
address:        Sumavska 5
address:        12000
address:        Prague 2
address:        CZECH REPUBLIC
phone:          +420777718182
admin-c:        JS19658-RIPE
tech-c:         JS19658-RIPE
abuse-c:        AR42681-RIPE
mnt-ref:        cz-serverzone-1-mnt
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         cz-serverzone-1-mnt
created:        2017-08-08T07:46:13Z
last-modified:  2020-12-16T12:32:56Z
source:         RIPE # Filtered

person:         Jaroslav Skrivan
address:        Sumavska 5
address:        12000
address:        Prague 2
address:        CZECH REPUBLIC
phone:          +420777718182
nic-hdl:        JS19658-RIPE
mnt-by:         cz-serverzone-1-mnt
created:        2017-08-08T07:46:12Z
last-modified:  2017-08-08T07:46:13Z
source:         RIPE

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

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS51357 - AS51817",
    "description" : [ "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" ],
    "date_created" : "2025-02-13",
    "date_updated" : "2025-02-13",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS51586",
    "as_name" : "SERVERZONECZ",
    "status" : "ASSIGNED",
    "import" : [ "from AS42000 accept ANY" ],
    "export" : [ "to AS42000 announce AS51586" ],
    "organization" : "ORG-SS771-RIPE",
    "admin_contacts" : [ "JS19658-RIPE" ],
    "tech_contacts" : [ "JS19658-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "cz-serverzone-1-mnt" ],
    "date_created" : "2023-01-17",
    "date_updated" : "2023-01-17",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-SS771-RIPE",
    "name" : "ServerZone s.r.o.",
    "type" : "LIR",
    "address" : [ "Sumavska 5", "12000", "Prague 2", "CZECH REPUBLIC" ],
    "street" : "Sumavska",
    "city" : "Prague 2",
    "zip_code" : "12000",
    "country" : [ "CZ" ],
    "phone" : [ "+420777718182" ],
    "admin_contacts" : [ "JS19658-RIPE" ],
    "tech_contacts" : [ "JS19658-RIPE" ],
    "abuse_contacts" : [ "AR42681-RIPE" ],
    "mnt_ref" : [ "cz-serverzone-1-mnt" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "cz-serverzone-1-mnt" ],
    "date_created" : "2017-08-08",
    "date_updated" : "2020-12-16",
    "source" : "RIPE",
    "addressCountry" : "CZECH REPUBLIC"
  },
  "administrative_contacts" : [ {
    "handle" : "JS19658-RIPE",
    "name" : "Jaroslav Skrivan",
    "address" : [ "Sumavska 5", "12000", "Prague 2", "CZECH REPUBLIC" ],
    "street" : "Sumavska",
    "city" : "Prague 2",
    "zip_code" : "12000",
    "country" : "CZECH REPUBLIC",
    "phone" : [ "+420777718182" ],
    "mnt_by" : [ "cz-serverzone-1-mnt" ],
    "date_created" : "2017-08-08",
    "date_updated" : "2017-08-08",
    "source" : "RIPE",
    "addressCountry" : "CZECH REPUBLIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "JS19658-RIPE",
    "name" : "Jaroslav Skrivan",
    "address" : [ "Sumavska 5", "12000", "Prague 2", "CZECH REPUBLIC" ],
    "street" : "Sumavska",
    "city" : "Prague 2",
    "zip_code" : "12000",
    "country" : "CZECH REPUBLIC",
    "phone" : [ "+420777718182" ],
    "mnt_by" : [ "cz-serverzone-1-mnt" ],
    "date_created" : "2017-08-08",
    "date_updated" : "2017-08-08",
    "source" : "RIPE",
    "addressCountry" : "CZECH REPUBLIC"
  } ]
}

Peers

AS Number	Description	Country
AS42000	Futruy s.r.o.	CZ

Upstreams

AS Number	Description	Country
AS42000	Futruy s.r.o.	CZ

Frequently Asked Questions

What is ASN AS51586?

ASN AS51586 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS51586?

AS51586 is listed under ServerZone s.r.o..

What do peers, upstreams, and downstreams mean?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

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.