What is ASN AS203313?

ASN AS203313 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS203313?

AS203313 is listed under OldNET Krzysztof Cukierski.

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.

AS203313 OldNET Krzysztof Cukierski

ASN Lookup Tool

OldNET Krzysztof Cukierski bajer.com.pl

PL 1 Routes

AS Data

AS203313

AS203313 – OldNET Krzysztof Cukierski

AS Number	203313
AS Name	OLDNET
Organization	OldNET Krzysztof Cukierski (org-okc3-ripe)
Country	PL
Website	bajer.com.pl
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	ISP
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2016-02-16

ASN Intelligence API for production workflows

Use ASN data for AS203313 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
91.228.42.0/23	AS203313	OldNET Krzysztof Cukierski	OldNET Krzysztof Cukierski	512

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 'AS203113 - AS203887'

as-block:       AS203113 - AS203887
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:        2024-11-12T15:22:00Z
last-modified:  2024-11-12T15:22:00Z
source:         RIPE

% Information related to 'AS203313'

% Abuse contact for 'AS203313' is 'abuse@bajer.com.pl'

aut-num:        AS203313
as-name:        OLDNET
org:            ORG-OKC3-RIPE
import:         from AS41026 accept ANY
export:         to AS41026 announce AS203313
import:         from AS202220 accept ANY
export:         to AS202220 announce AS203313
admin-c:        KC963-RIPE
admin-c:        MS2768-RIPE
tech-c:         MS2768-RIPE
tech-c:         KC963-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         KOPNET-MNT
mnt-by:         PL-OLDNET-MNT
created:        2016-02-16T07:53:35Z
last-modified:  2020-11-16T17:51:35Z
source:         RIPE
sponsoring-org: ORG-KSMS1-RIPE

organisation:   ORG-OKC3-RIPE
org-name:       OldNET Krzysztof Cukierski
country:        PL
org-type:       OTHER
address:        ul. Zabrska 5A lok. I
address:        44-100 Gliwice
address:        Poland
abuse-c:        AR21740-RIPE
mnt-ref:        PL-OLDNET-MNT
mnt-by:         PL-OLDNET-MNT
created:        2011-05-13T08:14:57Z
last-modified:  2026-01-16T09:58:28Z
source:         RIPE # Filtered

person:         Krzysztof Cukierski
address:        OldNET Krzysztof Cukierski
address:        ul. Sw. Andrzeja 1/4
address:        44-100 Gliwice
address:        POLAND
phone:          +48 32 2799504
nic-hdl:        KC963-RIPE
mnt-by:         TKPSA-MNT
created:        2007-03-29T13:35:51Z
last-modified:  2007-03-29T13:35:51Z
source:         RIPE # Filtered

person:         Marek Szczudlo
address:        KOPnet S.C.
address:        ul. Kopernika 47/1a
address:        44-117 Gliwice
address:        Poland
phone:          +48 32 2381324
fax-no:         +48 32 4944565
mnt-by:         KOPNET-MNT
nic-hdl:        MS2768-RIPE
created:        2003-07-04T07:08:35Z
last-modified:  2017-10-30T21:46:02Z
source:         RIPE # Filtered

% 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" : "AS203113 - AS203887",
    "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" : "2024-11-12",
    "date_updated" : "2024-11-12",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS203313",
    "as_name" : "OLDNET",
    "status" : "ASSIGNED",
    "import" : [ "from AS41026 accept ANY", "from AS202220 accept ANY" ],
    "export" : [ "to AS41026 announce AS203313", "to AS202220 announce AS203313" ],
    "organization" : "ORG-OKC3-RIPE",
    "sponsoring_organization" : "ORG-KSMS1-RIPE",
    "admin_contacts" : [ "KC963-RIPE", "MS2768-RIPE" ],
    "tech_contacts" : [ "MS2768-RIPE", "KC963-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "KOPNET-MNT", "PL-OLDNET-MNT" ],
    "date_created" : "2016-02-16",
    "date_updated" : "2020-11-16",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-OKC3-RIPE",
    "name" : "OldNET Krzysztof Cukierski",
    "type" : "OTHER",
    "address" : [ "ul. Zabrska 5A lok. I", "44-100 Gliwice", "Poland" ],
    "street" : "Ul. Zabrska",
    "city" : "Gliwice",
    "zip_code" : "44-100",
    "country" : [ "PL" ],
    "abuse_contacts" : [ "AR21740-RIPE" ],
    "mnt_ref" : [ "PL-OLDNET-MNT" ],
    "mnt_by" : [ "PL-OLDNET-MNT" ],
    "date_created" : "2011-05-13",
    "date_updated" : "2026-01-16",
    "source" : "RIPE",
    "addressCountry" : "POLAND"
  },
  "administrative_contacts" : [ {
    "handle" : "KC963-RIPE",
    "name" : "Krzysztof Cukierski",
    "address" : [ "OldNET Krzysztof Cukierski", "ul. Sw. Andrzeja 1/4", "44-100 Gliwice", "POLAND" ],
    "street" : "Ul. Sw. Andrzeja",
    "city" : "Gliwice",
    "zip_code" : "44-100",
    "country" : "POLAND",
    "phone" : [ "+48 32 2799504" ],
    "mnt_by" : [ "TKPSA-MNT" ],
    "date_created" : "2007-03-29",
    "date_updated" : "2007-03-29",
    "source" : "RIPE",
    "addressCountry" : "POLAND"
  }, {
    "handle" : "MS2768-RIPE",
    "name" : "Marek Szczudlo",
    "address" : [ "KOPnet S.C.", "ul. Kopernika 47/1a", "44-117 Gliwice", "Poland" ],
    "street" : "Ul. Kopernika",
    "city" : "Gliwice",
    "zip_code" : "44-117",
    "country" : "POLAND",
    "phone" : [ "+48 32 2381324" ],
    "fax_no" : [ "+48 32 4944565" ],
    "mnt_by" : [ "KOPNET-MNT" ],
    "date_created" : "2003-07-04",
    "date_updated" : "2017-10-30",
    "source" : "RIPE",
    "addressCountry" : "POLAND"
  } ],
  "technical_contacts" : [ {
    "handle" : "MS2768-RIPE",
    "name" : "Marek Szczudlo",
    "address" : [ "KOPnet S.C.", "ul. Kopernika 47/1a", "44-117 Gliwice", "Poland" ],
    "street" : "Ul. Kopernika",
    "city" : "Gliwice",
    "zip_code" : "44-117",
    "country" : "POLAND",
    "phone" : [ "+48 32 2381324" ],
    "fax_no" : [ "+48 32 4944565" ],
    "mnt_by" : [ "KOPNET-MNT" ],
    "date_created" : "2003-07-04",
    "date_updated" : "2017-10-30",
    "source" : "RIPE",
    "addressCountry" : "POLAND"
  }, {
    "handle" : "KC963-RIPE",
    "name" : "Krzysztof Cukierski",
    "address" : [ "OldNET Krzysztof Cukierski", "ul. Sw. Andrzeja 1/4", "44-100 Gliwice", "POLAND" ],
    "street" : "Ul. Sw. Andrzeja",
    "city" : "Gliwice",
    "zip_code" : "44-100",
    "country" : "POLAND",
    "phone" : [ "+48 32 2799504" ],
    "mnt_by" : [ "TKPSA-MNT" ],
    "date_created" : "2007-03-29",
    "date_updated" : "2007-03-29",
    "source" : "RIPE",
    "addressCountry" : "POLAND"
  } ]
}

Peers

AS Number	Description	Country
AS202220	Obsluga pc P.Dudzinski P.Jablonski P.Ral. B.Miller s.c.	PL
AS41026	KOPnet S.C. Marek Szczudlo Juliusz Kostrzewski	PL
AS31242	P4 Sp. z o.o.	PL

Upstreams

AS Number	Description	Country
AS31242	P4 Sp. z o.o.	PL