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AS50243 4Tonet Grzegorz Krezalek

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

4Tonet Grzegorz Krezalek 4tonet.pl

PL 1 Routes

AS Data

AS50243

AS50243 – 4Tonet Grzegorz Krezalek

AS Number	50243
AS Name	YDP-AS
Organization	4Tonet Grzegorz Krezalek (org-gk153-ripe)
Country	PL
Website	4tonet.pl
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	ISP
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2009-12-09

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Use ASN data for AS50243 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
193.104.184.0/24	AS50243	4Tonet Grzegorz Krezalek	4Tonet Grzegorz Krezalek	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 '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 'AS50243'

% Abuse contact for 'AS50243' is 'biuro@4tonet.pl'

aut-num:        AS50243
as-name:        YDP-AS
org:            ORG-GK153-RIPE
import:         from AS8246 accept ANY
export:         to AS8246 announce AS50243
import:         from AS39816 accept ANY
export:         to AS39816 announce AS50243
sponsoring-org: ORG-ASzo16-RIPE
admin-c:        PM12086-RIPE
tech-c:         PM12086-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-ARTNET
created:        2009-12-09T09:24:14Z
last-modified:  2023-09-14T13:51:05Z
source:         RIPE

organisation:   ORG-GK153-RIPE
org-name:       4Tonet Grzegorz Krezalek
country:        PL
org-type:       OTHER
address:        Glucha 21A/9B
address:        80-053 Gdansk
address:        Poland
abuse-c:        ACRO53915-RIPE
mnt-ref:        MNT-ARTNET
mnt-by:         MNT-ARTNET
mnt-by:         MNT-ARTNET-API
created:        2023-08-30T08:33:36Z
last-modified:  2023-09-14T13:40:08Z
source:         RIPE # Filtered

person:         Piotr Mazurowski
address:        Artnet Sp. z o.o.
address:        ul. Marynarki Polskiej 100
address:        80-557
address:        POLAND
phone:          +48 58 761 31 20
nic-hdl:        PM12086-RIPE
created:        2010-06-18T08:40:42Z
last-modified:  2018-09-26T08:57:10Z
source:         RIPE # Filtered
mnt-by:         MNT-ARTNET
mnt-by:         MNT-ARTNET-API

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

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" : "AS50243",
    "as_name" : "YDP-AS",
    "status" : "ASSIGNED",
    "import" : [ "from AS8246 accept ANY", "from AS39816 accept ANY" ],
    "export" : [ "to AS8246 announce AS50243", "to AS39816 announce AS50243" ],
    "organization" : "ORG-GK153-RIPE",
    "sponsoring_organization" : "ORG-ASzo16-RIPE",
    "admin_contacts" : [ "PM12086-RIPE" ],
    "tech_contacts" : [ "PM12086-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "MNT-ARTNET" ],
    "date_created" : "2009-12-09",
    "date_updated" : "2023-09-14",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-GK153-RIPE",
    "name" : "4Tonet Grzegorz Krezalek",
    "type" : "OTHER",
    "address" : [ "Glucha 21A/9B", "80-053 Gdansk", "Poland" ],
    "street" : "Glucha",
    "city" : "Gdansk",
    "zip_code" : "80-053",
    "country" : [ "PL" ],
    "abuse_contacts" : [ "ACRO53915-RIPE" ],
    "mnt_ref" : [ "MNT-ARTNET" ],
    "mnt_by" : [ "MNT-ARTNET", "MNT-ARTNET-API" ],
    "date_created" : "2023-08-30",
    "date_updated" : "2023-09-14",
    "source" : "RIPE",
    "addressCountry" : "POLAND"
  },
  "administrative_contacts" : [ {
    "handle" : "PM12086-RIPE",
    "name" : "Piotr Mazurowski",
    "address" : [ "Artnet Sp. z o.o.", "ul. Marynarki Polskiej 100", "80-557", "POLAND" ],
    "street" : "Ul. Marynarki Polskiej",
    "zip_code" : "80-557",
    "country" : "POLAND",
    "phone" : [ "+48 58 761 31 20" ],
    "mnt_by" : [ "MNT-ARTNET", "MNT-ARTNET-API" ],
    "date_created" : "2010-06-18",
    "date_updated" : "2018-09-26",
    "source" : "RIPE",
    "addressCountry" : "POLAND"
  } ],
  "technical_contacts" : [ {
    "handle" : "PM12086-RIPE",
    "name" : "Piotr Mazurowski",
    "address" : [ "Artnet Sp. z o.o.", "ul. Marynarki Polskiej 100", "80-557", "POLAND" ],
    "street" : "Ul. Marynarki Polskiej",
    "zip_code" : "80-557",
    "country" : "POLAND",
    "phone" : [ "+48 58 761 31 20" ],
    "mnt_by" : [ "MNT-ARTNET", "MNT-ARTNET-API" ],
    "date_created" : "2010-06-18",
    "date_updated" : "2018-09-26",
    "source" : "RIPE",
    "addressCountry" : "POLAND"
  } ]
}

Peers

AS Number	Description	Country
AS200088	Artnet Sp. z o.o.	PL
AS8246	T Mobile Polska S.A.	PL
AS39816	Volta Communications Sp.z.o.o.	PL

Upstreams

AS Number	Description	Country
AS200088	Artnet Sp. z o.o.	PL

Frequently Asked Questions

What is ASN AS50243?

ASN AS50243 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS50243?

AS50243 is listed under 4Tonet Grzegorz Krezalek.

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.