ASN AS44518 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS44518?

AS44518 is listed under MTS SYSTEM Sylwia Truszkowska.

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.

AS44518 MTS SYSTEM Sylwia Truszkowska

ASN Lookup Tool

MTS SYSTEM Sylwia Truszkowska mtssystem.pl

PL 1 Routes

AS Data

AS44518

AS44518 – MTS SYSTEM Sylwia Truszkowska

AS Number	44518
AS Name	MTS-SYSTEM-AS
Organization	MTS SYSTEM Sylwia Truszkowska (org-msst2-ripe)
Country	PL
Website	mtssystem.pl
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	ISP
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2008-01-30

ASN Intelligence API for production workflows

Use ASN data for AS44518 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
91.199.140.0/24	AS44518	MTS SYSTEM Sylwia Truszkowska	MTS SYSTEM Sylwia Truszkowska	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 'AS44170 - AS44569'

as-block:       AS44170 - AS44569
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:        2025-01-27T15:33:09Z
last-modified:  2025-01-27T15:33:09Z
source:         RIPE

% Information related to 'AS44518'

% Abuse contact for 'AS44518' is 'helpdesk@mtssystem.pl'

aut-num:        AS44518
as-name:        MTS-SYSTEM-AS
org:            ORG-MSST2-RIPE
import:         from AS20804 accept ANY
import:         from AS8246 accept ANY
import:         from AS8308 accept ANY
export:         to AS20804 announce AS44518
export:         to AS8246 announce AS44518
export:         to AS8308 announce AS44518
admin-c:        ST11027-RIPE
tech-c:         MT16832-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         NASK2-MNT
created:        2008-01-30T14:22:51Z
last-modified:  2020-11-16T18:01:06Z
source:         RIPE
sponsoring-org: ORG-NRaA1-RIPE

organisation:   ORG-MSST2-RIPE
org-name:       MTS SYSTEM Sylwia Truszkowska
country:        PL
org-type:       OTHER
address:        ul. Polna 66
address:        07-417 Ostroleka
address:        PL
admin-c:        ST11027-RIPE
tech-c:         MT16832-RIPE
abuse-c:        AR50828-RIPE
mnt-ref:        NASK2-MNT
mnt-by:         NASK2-MNT
created:        2017-03-28T11:05:23Z
last-modified:  2022-12-01T16:38:18Z
source:         RIPE # Filtered

person:         Marek Truszkowski
address:        ul. Polna 66
address:        07-417 Ostroleka
address:        Poland
phone:          +48601805063
nic-hdl:        MT16832-RIPE
mnt-by:         NASK2-MNT
created:        2017-03-28T11:00:58Z
last-modified:  2017-03-28T11:00:58Z
source:         RIPE # Filtered

person:         Sylwia Truszkowska
address:        ul. Polna 66
address:        07-417 Ostroleka
address:        Poland
phone:          +48222660937
nic-hdl:        ST11027-RIPE
mnt-by:         NASK2-MNT
created:        2017-03-28T10:59:39Z
last-modified:  2017-03-28T10:59:39Z
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" : "AS44170 - AS44569",
    "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" : "2025-01-27",
    "date_updated" : "2025-01-27",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS44518",
    "as_name" : "MTS-SYSTEM-AS",
    "status" : "ASSIGNED",
    "import" : [ "from AS20804 accept ANY", "from AS8246 accept ANY", "from AS8308 accept ANY" ],
    "export" : [ "to AS20804 announce AS44518", "to AS8246 announce AS44518", "to AS8308 announce AS44518" ],
    "organization" : "ORG-MSST2-RIPE",
    "sponsoring_organization" : "ORG-NRaA1-RIPE",
    "admin_contacts" : [ "ST11027-RIPE" ],
    "tech_contacts" : [ "MT16832-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "NASK2-MNT" ],
    "date_created" : "2008-01-30",
    "date_updated" : "2020-11-16",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-MSST2-RIPE",
    "name" : "MTS SYSTEM Sylwia Truszkowska",
    "type" : "OTHER",
    "address" : [ "ul. Polna 66", "07-417 Ostroleka", "PL" ],
    "street" : "Ul. Polna",
    "city" : "Ostroleka",
    "zip_code" : "07-417",
    "country" : [ "PL" ],
    "admin_contacts" : [ "ST11027-RIPE" ],
    "tech_contacts" : [ "MT16832-RIPE" ],
    "abuse_contacts" : [ "AR50828-RIPE" ],
    "mnt_ref" : [ "NASK2-MNT" ],
    "mnt_by" : [ "NASK2-MNT" ],
    "date_created" : "2017-03-28",
    "date_updated" : "2022-12-01",
    "source" : "RIPE",
    "addressCountry" : "PL"
  },
  "administrative_contacts" : [ {
    "handle" : "ST11027-RIPE",
    "name" : "Sylwia Truszkowska",
    "address" : [ "ul. Polna 66", "07-417 Ostroleka", "Poland" ],
    "street" : "Ul. Polna",
    "city" : "Ostroleka",
    "zip_code" : "07-417",
    "country" : "POLAND",
    "phone" : [ "+48222660937" ],
    "mnt_by" : [ "NASK2-MNT" ],
    "date_created" : "2017-03-28",
    "date_updated" : "2017-03-28",
    "source" : "RIPE",
    "addressCountry" : "POLAND"
  } ],
  "technical_contacts" : [ {
    "handle" : "MT16832-RIPE",
    "name" : "Marek Truszkowski",
    "address" : [ "ul. Polna 66", "07-417 Ostroleka", "Poland" ],
    "street" : "Ul. Polna",
    "city" : "Ostroleka",
    "zip_code" : "07-417",
    "country" : "POLAND",
    "phone" : [ "+48601805063" ],
    "mnt_by" : [ "NASK2-MNT" ],
    "date_created" : "2017-03-28",
    "date_updated" : "2017-03-28",
    "source" : "RIPE",
    "addressCountry" : "POLAND"
  } ]
}

Peers

AS Number	Description	Country
AS20804	Exatel S.A.	PL
AS8246	T Mobile Polska S.A.	PL
AS8308	NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZY	PL
AS8308	NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA PANSTWOWY INSTYTUT BADAWCZY	PL

Upstreams

AS Number	Description	Country
AS8308	NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA PANSTWOWY INSTYTUT BADAWCZY	PL