ASN AS57613 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS57613?

AS57613 is listed under Piotr Lewandowski trading as ESNET S.C..

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.

AS57613 Piotr Lewandowski trading as ESNET S.C.

ASN Lookup Tool

Piotr Lewandowski trading as ESNET S.C.

PL 7 Routes

AS Data

AS57613

AS57613 – Piotr Lewandowski trading as ESNET S.C.

AS Number	57613
AS Name	ESNET
Organization	Piotr Lewandowski trading as ESNET S.C. (org-plta2-ripe)
Country	PL
Number of IPv4 Routes	7
Number of IPv6 Routes	0
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2011-12-09

ASN Intelligence API for production workflows

Use ASN data for AS57613 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

Get ASN API Key ASN API Docs

IP Ranges

Route	Origin	Origin Name	ISP	# IPs
176.103.36.0/24	AS57613	Piotr Lewandowski trading as ESNET S.C.	Piotr Lewandowski trading as ESNET S.C.	256
176.103.35.0/24	AS57613	Piotr Lewandowski trading as ESNET S.C.	Piotr Lewandowski trading as ESNET S.C.	256
176.103.37.0/24	AS57613	Piotr Lewandowski trading as ESNET S.C.	Piotr Lewandowski trading as ESNET S.C.	256
176.103.39.0/24	AS57613	Piotr Lewandowski trading as ESNET S.C.	Piotr Lewandowski trading as ESNET S.C.	256
176.103.34.0/24	AS57613	Piotr Lewandowski trading as ESNET S.C.	Piotr Lewandowski trading as ESNET S.C.	256
176.103.33.0/24	AS57613	Piotr Lewandowski trading as ESNET S.C.	Piotr Lewandowski trading as ESNET S.C.	256
176.103.32.0/24	AS57613	Piotr Lewandowski trading as ESNET S.C.	Piotr Lewandowski trading as ESNET S.C.	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 'AS57370 - AS57973'

as-block:       AS57370 - AS57973
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:        2025-04-24T14:15:44Z
last-modified:  2025-04-24T14:15:44Z
source:         RIPE

% Information related to 'AS57613'

% Abuse contact for 'AS57613' is 'plewand@gmail.com'

aut-num:        AS57613
as-name:        ESNET
org:            ORG-PLTA2-RIPE
import:         from AS12741 action pref=100; accept ANY
import:         from AS20960 action pref=100; accept ANY
export:         to AS12741 announce AS57613
export:         to AS20960 announce AS57613
admin-c:        PL2578-RIPE
tech-c:         PL2578-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         lir-pl-esnet-1-MNT
created:        2011-12-09T08:59:01Z
last-modified:  2023-08-31T09:19:31Z
source:         RIPE

organisation:   ORG-PLTA2-RIPE
org-name:       Piotr Lewandowski trading as ESNET S.C.
country:        PL
org-type:       LIR
address:        ul. P.O.W. 22A
address:        87-800
address:        Wloclawek
address:        POLAND
phone:          +48605277521
admin-c:        EA7838-RIPE
tech-c:         EA7838-RIPE
abuse-c:        AR70737-RIPE
mnt-ref:        lir-pl-esnet-1-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         lir-pl-esnet-1-MNT
created:        2023-08-09T06:21:44Z
last-modified:  2023-08-09T06:21:44Z
source:         RIPE # Filtered

person:         Piotr Lewandowski
address:        87-800 Wloclawek, PL
phone:          +48 605 277521
mnt-by:         MNT-INSITE-SPZOO
nic-hdl:        PL2578-RIPE
created:        2007-05-02T08:47:06Z
last-modified:  2012-01-16T10:01:15Z
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" : "AS57370 - AS57973",
    "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" : "2025-04-24",
    "date_updated" : "2025-04-24",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS57613",
    "as_name" : "ESNET",
    "status" : "ASSIGNED",
    "import" : [ "from AS12741 action pref=100; accept ANY", "from AS20960 action pref=100; accept ANY" ],
    "export" : [ "to AS12741 announce AS57613", "to AS20960 announce AS57613" ],
    "organization" : "ORG-PLTA2-RIPE",
    "admin_contacts" : [ "PL2578-RIPE" ],
    "tech_contacts" : [ "PL2578-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "lir-pl-esnet-1-MNT" ],
    "date_created" : "2011-12-09",
    "date_updated" : "2023-08-31",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-PLTA2-RIPE",
    "name" : "Piotr Lewandowski trading as ESNET S.C.",
    "type" : "LIR",
    "address" : [ "ul. P.O.W. 22A", "87-800", "Wloclawek", "POLAND" ],
    "street" : "Ul. P.o.w.",
    "city" : "Wloclawek",
    "zip_code" : "87-800",
    "country" : [ "PL" ],
    "phone" : [ "+48605277521" ],
    "admin_contacts" : [ "EA7838-RIPE" ],
    "tech_contacts" : [ "EA7838-RIPE" ],
    "abuse_contacts" : [ "AR70737-RIPE" ],
    "mnt_ref" : [ "lir-pl-esnet-1-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "lir-pl-esnet-1-MNT" ],
    "date_created" : "2023-08-09",
    "date_updated" : "2023-08-09",
    "source" : "RIPE",
    "addressCountry" : "POLAND"
  },
  "administrative_contacts" : [ {
    "handle" : "PL2578-RIPE",
    "name" : "Piotr Lewandowski",
    "address" : [ "87-800 Wloclawek, PL" ],
    "city" : "Wloclawek",
    "zip_code" : "87-800",
    "country" : "PL",
    "phone" : [ "+48 605 277521" ],
    "mnt_by" : [ "MNT-INSITE-SPZOO" ],
    "date_created" : "2007-05-02",
    "date_updated" : "2012-01-16",
    "source" : "RIPE",
    "addressCountry" : "PL"
  } ],
  "technical_contacts" : [ {
    "handle" : "PL2578-RIPE",
    "name" : "Piotr Lewandowski",
    "address" : [ "87-800 Wloclawek, PL" ],
    "city" : "Wloclawek",
    "zip_code" : "87-800",
    "country" : "PL",
    "phone" : [ "+48 605 277521" ],
    "mnt_by" : [ "MNT-INSITE-SPZOO" ],
    "date_created" : "2007-05-02",
    "date_updated" : "2012-01-16",
    "source" : "RIPE",
    "addressCountry" : "PL"
  } ]
}

Peers

AS Number	Description	Country
AS24748	Atman Sp. z o.o.	PL
AS12741	Netia SA	PL
AS20960	TK Telekom sp. z o.o.	PL
AS205160	Domanski Zakrzewski Palinka sp. k.	PL
AS6939	Hurricane Electric LLC	US
AS51465	M3.NET Sp. zoo	PL
AS12912	T-Mobile Polska S.A.	PL
AS24724	Atman Sp. z o.o.	PL

Upstreams

AS Number	Description	Country
AS24748	Atman Sp. z o.o.	PL
AS12741	Netia SA	PL
AS6939	Hurricane Electric LLC	US
AS24724	Atman Sp. z o.o.	PL