ASN AS41088 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS41088?

AS41088 is listed under N SYS s.r.o..

What do peers, upstreams, and downstreams mean in ASN data?

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 shown for an ASN?

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

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS41088 N SYS s.r.o. | IPGeolocation.io

ASN Lookup Tool

N SYS s.r.o. nsys.cz

CZ 4 Routes

AS Data

AS41088

AS41088 – N SYS s.r.o.

AS Number	41088
AS Name	CZNSYS
Organization	N SYS s.r.o. (org-ns46-ripe)
Country	CZ
Website	nsys.cz
Number of IPv4 Routes	2
Number of IPv6 Routes	2
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2006-06-12

ASN Intelligence API for production workflows

Use ASN data for AS41088 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
89.190.64.0/19	AS41088	N SYS s.r.o.	N SYS s.r.o.	8192
2a00:bfe0::/32	AS41088	N SYS s.r.o.	N SYS s.r.o.	~79×10²⁷
185.125.128.0/22	AS41088	N SYS s.r.o.	ISP Alliance a.s.	1024
2001:678:e8::/48	AS41088	N SYS s.r.o.	ZPA Smart Energy a.s.	~1×10²⁴

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 'AS40960 - AS42171'

as-block:       AS40960 - AS42171
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:        2024-07-22T14:14:32Z
last-modified:  2024-07-22T14:14:32Z
source:         RIPE

% Information related to 'AS41088'

% Abuse contact for 'AS41088' is 'teichman@nsys.cz'

aut-num:        AS41088
descr:          "N_SYS s.r.o."
as-name:        CZNSYS
org:            ORG-Ns46-RIPE
remarks:        ----------------------------------------
remarks:        ---------- NIX peerings ----------
remarks:        ----------------------------------------
remarks:        -- NIXCZ-RS
import:         from AS47200 accept ANY
export:         to AS47200 announce AS-NSYS-NIX
remarks:        -- NIX.CZ
import:         from AS6881 accept ANY
export:         to AS6881 announce AS-NSYS-NIX
admin-c:        TC502-RIPE
tech-c:         TC502-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
tech-c:         TR1665-RIPE
mnt-by:         CZNSYS-MNT
created:        2006-06-12T13:21:39Z
last-modified:  2020-01-09T10:54:06Z
source:         RIPE

organisation:   ORG-NS46-RIPE
org-name:       "N_SYS s.r.o."
country:        CZ
org-type:       LIR
address:        Krasnohorske 1748
address:        54701
address:        NACHOD
address:        CZECH REPUBLIC
phone:          +420 498 100 100
abuse-c:        AR14450-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        CZNSYS-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         CZNSYS-MNT
admin-c:        TC502-RIPE
admin-c:        TR1665-RIPE
created:        2006-01-03T11:11:07Z
last-modified:  2021-05-06T11:31:48Z
source:         RIPE # Filtered

person:         Teichman Cestmir
address:        N-SYS s.r.o.
address:        Krasnohorske 1748
address:        Nachod
address:        547 01
address:        The Czech Republic
mnt-by:         CZNSYS-MNT
phone:          +420 498 100 103
fax-no:         +420 498 100 109
nic-hdl:        TC502-RIPE
created:        1970-01-01T00:00:00Z
last-modified:  2022-12-06T14:44:05Z
source:         RIPE # Filtered

person:         Tomas Riha
address:        N_SYS s.r.o.
address:        Lanovska 483
address:        Vrchlabi
address:        543 01
address:        The Czech Republic
phone:          +420 498 100 110
fax-no:         +420 498 100 109
mnt-by:         CZNSYS-MNT
nic-hdl:        TR1665-RIPE
created:        2006-11-15T13:47:37Z
last-modified:  2022-12-06T14:45:04Z
source:         RIPE # Filtered

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

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS40960 - AS42171",
    "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" : "2024-07-22",
    "date_updated" : "2024-07-22",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS41088",
    "as_name" : "CZNSYS",
    "description" : [ "\"N_SYS s.r.o.\"" ],
    "status" : "ASSIGNED",
    "import" : [ "from AS47200 accept ANY", "from AS6881 accept ANY" ],
    "export" : [ "to AS47200 announce AS-NSYS-NIX", "to AS6881 announce AS-NSYS-NIX" ],
    "organization" : "ORG-Ns46-RIPE",
    "admin_contacts" : [ "TC502-RIPE" ],
    "tech_contacts" : [ "TC502-RIPE", "TR1665-RIPE" ],
    "remarks" : [ "----------------------------------------", "---------- NIX peerings ----------", "----------------------------------------", "-- NIXCZ-RS", "-- NIX.CZ" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "CZNSYS-MNT" ],
    "date_created" : "2006-06-12",
    "date_updated" : "2020-01-09",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-NS46-RIPE",
    "name" : "\"N_SYS s.r.o.\"",
    "type" : "LIR",
    "address" : [ "Krasnohorske 1748", "54701", "NACHOD", "CZECH REPUBLIC" ],
    "street" : "Krasnohorske",
    "city" : "Nachod",
    "zip_code" : "54701",
    "country" : [ "CZ" ],
    "phone" : [ "+420 498 100 100" ],
    "admin_contacts" : [ "TC502-RIPE", "TR1665-RIPE" ],
    "abuse_contacts" : [ "AR14450-RIPE" ],
    "mnt_ref" : [ "RIPE-NCC-HM-MNT", "CZNSYS-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "CZNSYS-MNT" ],
    "date_created" : "2006-01-03",
    "date_updated" : "2021-05-06",
    "source" : "RIPE",
    "addressCountry" : "CZECH REPUBLIC"
  },
  "administrative_contacts" : [ {
    "handle" : "TC502-RIPE",
    "name" : "Teichman Cestmir",
    "address" : [ "N-SYS s.r.o.", "Krasnohorske 1748", "Nachod", "547 01", "The Czech Republic" ],
    "street" : "The Czech",
    "phone" : [ "+420 498 100 103" ],
    "fax_no" : [ "+420 498 100 109" ],
    "mnt_by" : [ "CZNSYS-MNT" ],
    "date_created" : "1970-01-01",
    "date_updated" : "2022-12-06",
    "source" : "RIPE"
  } ],
  "technical_contacts" : [ {
    "handle" : "TC502-RIPE",
    "name" : "Teichman Cestmir",
    "address" : [ "N-SYS s.r.o.", "Krasnohorske 1748", "Nachod", "547 01", "The Czech Republic" ],
    "street" : "The Czech",
    "phone" : [ "+420 498 100 103" ],
    "fax_no" : [ "+420 498 100 109" ],
    "mnt_by" : [ "CZNSYS-MNT" ],
    "date_created" : "1970-01-01",
    "date_updated" : "2022-12-06",
    "source" : "RIPE"
  }, {
    "handle" : "TR1665-RIPE",
    "name" : "Tomas Riha",
    "address" : [ "N_SYS s.r.o.", "Lanovska 483", "Vrchlabi", "543 01", "The Czech Republic" ],
    "street" : "Lanovska",
    "city" : "The",
    "zip_code" : "543 01",
    "country" : "CZECH REPUBLIC",
    "phone" : [ "+420 498 100 110" ],
    "fax_no" : [ "+420 498 100 109" ],
    "mnt_by" : [ "CZNSYS-MNT" ],
    "date_created" : "2006-11-15",
    "date_updated" : "2022-12-06",
    "source" : "RIPE",
    "addressCountry" : "CZECH REPUBLIC"
  } ]
}

Peers

AS Number	Description	Country
AS203072	DomaTV s.r.o.	CZ
AS6881	NIX.CZ z.s.p.o.	CZ
AS47200	NIX.CZ z.s.p.o.	CZ

Upstreams

AS Number	Description	Country
AS203072	DomaTV s.r.o.	CZ