ASN Lookup Tool

IT4 Polska Sp. z o.o. it4polska.pl PL PL 3 Routes

AS Data

AS203821

AS203821IT4 Polska Sp. z o.o.

AS Number 203821
AS Name IT4-POLSKA
Organization IT4 Polska Sp. z o.o.(org-ipsz8-ripe)
Country PL
Website it4polska.pl
Number of IPv4 Routes 3
Number of IPv6 Routes 0
ASN type BUSINESS
Allocation Status ASSIGNED
Registry RIPE
Date Allocated 2015-10-23

ASN Intelligence API for production workflows

Use ASN data for AS203821 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route # IPs
217.28.134.0/24 256
91.207.185.0/24 256
91.207.184.0/24 256

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 '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 'AS203821'

% Abuse contact for 'AS203821' is 'biuro@it4polska.pl'

aut-num:        AS203821
as-name:        IT4-POLSKA
org:            ORG-IPSZ8-RIPE
import:         from AS57608 accept ANY
export:         to AS57608 announce AS203821
import:         from AS8545 accept ANY
export:         to AS8545 announce AS203821
admin-c:        SH68-RIPE
tech-c:         SH68-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         DGNET-MNT
created:        2015-10-23T06:40:24Z
last-modified:  2020-11-16T17:51:53Z
source:         RIPE
sponsoring-org: ORG-ALTA5-RIPE

organisation:   ORG-IPSZ8-RIPE
org-name:       IT4 Polska Sp. z o.o.
country:        PL
org-type:       OTHER
address:        11 LISTOPADA 40
address:        07-200 Wyszkow
address:        Poland
abuse-c:        AC31882-RIPE
mnt-ref:        DGNET-MNT
mnt-by:         DGNET-MNT
created:        2015-10-22T07:22:27Z
last-modified:  2022-12-01T17:15:26Z
source:         RIPE # Filtered

person:         Sylwester Harasim
address:        11 Listopada 24/12
address:        07-200 Wyszkow
address:        Poland
phone:          +48509408203
nic-hdl:        SH68-RIPE
mnt-by:         NETIA-MNT
mnt-by:         IT4POLSKA-MNT
created:        2008-10-29T12:25:28Z
last-modified:  2012-12-05T00:01:09Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.121.1 (SHETLAND)

Parsed Whois Response

Peers

AS Number Description Country
AS201054 Stowarzyszenie e-Poludnie PL
AS57608 DG NET SA PL
AS62081 Stowarzyszenie e-Poludnie PL
AS48850 Stowarzyszenie e-Poludnie PL
AS201054 Stowarzyszenie e Poludnie PL
AS51465 M3.NET Sp. zoo PL
AS62081 Stowarzyszenie e Poludnie PL
AS57608 DG-NET SA PL
AS8545 Equinix Poland Sp. z o.o. PL

Upstreams

AS Number Description Country
AS57608 DG NET SA PL
AS201054 Stowarzyszenie e Poludnie PL
AS51465 M3.NET Sp. zoo PL
AS62081 Stowarzyszenie e Poludnie PL

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Frequently Asked Questions

ASN AS203821 is an Autonomous System Number used to identify a network for BGP internet routing.
AS203821 is listed under IT4 Polska Sp. z o.o..
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
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.