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AS50450 ZESPOL EFEKTYWNYCH TECHNIK OBLICZENIOWYCH S.A.

Q: Why is WHOIS data shown for an ASN?

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

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Legacy Routes

ZESPOL EFEKTYWNYCH TECHNIK OBLICZENIOWYCH S.A. zetosa.com.pl

PL 0 Routes

AS Data

AS50450

AS50450 – ZESPOL EFEKTYWNYCH TECHNIK OBLICZENIOWYCH S.A.

AS Number	50450
AS Name	System77
Organization	ZESPOL EFEKTYWNYCH TECHNIK OBLICZENIOWYCH S.A. (org-zst1-ripe)
Country	PL
Website	zetosa.com.pl
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2010-01-19

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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 'AS50220 - AS50841'

as-block:       AS50220 - AS50841
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:        2024-08-12T14:10:44Z
last-modified:  2024-08-12T14:10:44Z
source:         RIPE

% Information related to 'AS50450'

% Abuse contact for 'AS50450' is 'nettarnow@zetosa.com.pl'

aut-num:        AS50450
as-name:        System77
org:            ORG-ZST1-RIPE
import:         from AS16340 accept ANY
export:         to AS16340 announce AS50450
import:         from AS48850 accept ANY
export:         to AS48850 announce AS50450
import:         from AS49895 accept ANY
export:         to AS49895 announce AS50450
admin-c:        MK3565-RIPE
tech-c:         MK3565-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         ZETOSA-MNT
created:        2010-01-19T11:57:12Z
last-modified:  2026-06-18T10:56:20Z
source:         RIPE

organisation:   ORG-ZST1-RIPE
org-name:       ZESPOL EFEKTYWNYCH TECHNIK OBLICZENIOWYCH S.A.
country:        PL
reg-nr:         850012278
org-type:       LIR
address:        ul. Przemyslowa 6
address:        33-100
address:        Tarnow
address:        POLAND
phone:          +48 14 6966666
fax-no:         +48 14 6216662
admin-c:        WP240-RIPE
admin-c:        MK3565-RIPE
mnt-ref:        ZETOSA-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         ZETOSA-MNT
abuse-c:        AZ5333-RIPE
created:        2004-04-17T11:48:36Z
last-modified:  2026-05-13T07:25:33Z
source:         RIPE # Filtered

person:         Miroslaw Kubisztal
address:        ZETO S.A.
address:        ul. Urszulanska 25
address:        33-100 Tarnow
phone:          +48 14 6216662
fax-no:         +48 14 6216662
nic-hdl:        MK3565-RIPE
mnt-by:         ZETOSA-MNT
created:        2002-01-30T14:10:27Z
last-modified:  2011-06-20T11:53:03Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.123 (DEXTER)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS50220 - AS50841",
    "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" : "2024-08-12",
    "date_updated" : "2024-08-12",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS50450",
    "as_name" : "System77",
    "status" : "ASSIGNED",
    "import" : [ "from AS16340 accept ANY", "from AS48850 accept ANY", "from AS49895 accept ANY" ],
    "export" : [ "to AS16340 announce AS50450", "to AS48850 announce AS50450", "to AS49895 announce AS50450" ],
    "organization" : "ORG-ZST1-RIPE",
    "admin_contacts" : [ "MK3565-RIPE" ],
    "tech_contacts" : [ "MK3565-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "ZETOSA-MNT" ],
    "date_created" : "2010-01-19",
    "date_updated" : "2026-06-18",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-ZST1-RIPE",
    "name" : "ZESPOL EFEKTYWNYCH TECHNIK OBLICZENIOWYCH S.A.",
    "type" : "LIR",
    "address" : [ "ul. Przemyslowa 6", "33-100", "Tarnow", "POLAND" ],
    "street" : "Ul. Przemyslowa",
    "city" : "Tarnow",
    "zip_code" : "33-100",
    "country" : [ "PL" ],
    "phone" : [ "+48 14 6966666" ],
    "fax_no" : [ "+48 14 6216662" ],
    "admin_contacts" : [ "WP240-RIPE", "MK3565-RIPE" ],
    "abuse_contacts" : [ "AZ5333-RIPE" ],
    "mnt_ref" : [ "ZETOSA-MNT", "RIPE-NCC-HM-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "ZETOSA-MNT" ],
    "date_created" : "2004-04-17",
    "date_updated" : "2026-05-13",
    "source" : "RIPE",
    "addressCountry" : "POLAND"
  },
  "administrative_contacts" : [ {
    "handle" : "MK3565-RIPE",
    "name" : "Miroslaw Kubisztal",
    "address" : [ "ZETO S.A.", "ul. Urszulanska 25", "33-100 Tarnow" ],
    "street" : "Ul. Urszulanska",
    "city" : "Tarnow",
    "zip_code" : "33-100",
    "phone" : [ "+48 14 6216662" ],
    "fax_no" : [ "+48 14 6216662" ],
    "mnt_by" : [ "ZETOSA-MNT" ],
    "date_created" : "2002-01-30",
    "date_updated" : "2011-06-20",
    "source" : "RIPE"
  } ],
  "technical_contacts" : [ {
    "handle" : "MK3565-RIPE",
    "name" : "Miroslaw Kubisztal",
    "address" : [ "ZETO S.A.", "ul. Urszulanska 25", "33-100 Tarnow" ],
    "street" : "Ul. Urszulanska",
    "city" : "Tarnow",
    "zip_code" : "33-100",
    "phone" : [ "+48 14 6216662" ],
    "fax_no" : [ "+48 14 6216662" ],
    "mnt_by" : [ "ZETOSA-MNT" ],
    "date_created" : "2002-01-30",
    "date_updated" : "2011-06-20",
    "source" : "RIPE"
  } ]
}

Peers

AS Number	Description	Country
AS49895	dcenter.pl sp. z o.o.	PL
AS48850	Stowarzyszenie e Poludnie	PL
AS16340	RIPE Network Coordination Centre	NL

Frequently Asked Questions

What is ASN AS50450?

ASN AS50450 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS50450?

AS50450 is listed under ZESPOL EFEKTYWNYCH TECHNIK OBLICZENIOWYCH S.A..

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.

ASN Lookup Tool

ASN Summary

AS50450 – ZESPOL EFEKTYWNYCH TECHNIK OBLICZENIOWYCH S.A.

ASN Intelligence API for production workflows

Raw Whois Response

Parsed Whois Response

Peers

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