ASN AS50366 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS50366?

AS50366 is listed under AlterTEL Sp. z o.o..

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.

AS50366 AlterTEL Sp. z o.o. | IPGeolocation.io

ASN Lookup Tool

AlterTEL Sp. z o.o. dcenter.pl

PL 5 Routes

AS Data

AS50366

AS50366 – AlterTEL Sp. z o.o.

AS Number	50366
AS Name	ALTERTEL-AS
Organization	AlterTEL Sp. z o.o. (org-aszo14-ripe)
Country	PL
Website	dcenter.pl
Number of IPv4 Routes	5
Number of IPv6 Routes	0
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2009-12-28

ASN Intelligence API for production workflows

Use ASN data for AS50366 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
109.95.138.0/24	AS50366	AlterTEL Sp. z o.o.	AlterTEL Sp. z o.o.	256
109.95.140.0/24	AS50366	AlterTEL Sp. z o.o.	AlterTEL Sp. z o.o.	256
109.95.139.0/24	AS50366	AlterTEL Sp. z o.o.	AlterTEL Sp. z o.o.	256
109.95.137.0/24	AS50366	AlterTEL Sp. z o.o.	AlterTEL Sp. z o.o.	256
109.95.136.0/24	AS50366	AlterTEL Sp. z o.o.	AlterTEL Sp. z o.o.	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 'AS50366'

% Abuse contact for 'AS50366' is 'abuse-ripe@dcenter.pl'

aut-num:        AS50366
as-name:        ALTERTEL-AS
import:         from AS48850 accept ANY
export:         to AS48850 announce AS50366
import:         from AS49895 accept ANY
export:         to AS49895 announce AS50366
org:            ORG-ASzo14-RIPE
admin-c:        ATN11-RIPE
tech-c:         ATN11-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         ALTERTEL-MNT
created:        2009-12-28T16:12:40Z
last-modified:  2024-11-30T18:11:48Z
source:         RIPE
sponsoring-org: ORG-MSZO84-RIPE

organisation:   ORG-ASzo14-RIPE
org-name:       AlterTEL Sp. z o.o.
country:        PL
org-type:       OTHER
address:        Al. Jerozolimskie 65/79 lok. 3.175
address:        00-697 Warszawa
address:        Poland
abuse-c:        AR25054-RIPE
admin-c:        ATN11-RIPE
tech-c:         ATN11-RIPE
mnt-ref:        ALTERTEL-MNT
mnt-by:         ALTERTEL-MNT
created:        2009-12-17T22:32:58Z
last-modified:  2022-12-01T16:16:25Z
source:         RIPE # Filtered

role:           AlterTEL NOC
address:        AlterTEL Sp. z o.o.
address:        Al. Jerozolimskie 65/79 lok. 3.175
address:        00-697 Warszawa
address:        POLAND
phone:          +48.22.2920400
admin-c:        SZYM1-RIPE
tech-c:         SZYM1-RIPE
nic-hdl:        ATN11-RIPE
mnt-by:         ALTERTEL-MNT
created:        2010-01-06T17:28:05Z
last-modified:  2020-09-30T16:19:21Z
source:         RIPE # Filtered

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

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" : "AS50366",
    "as_name" : "ALTERTEL-AS",
    "status" : "ASSIGNED",
    "import" : [ "from AS48850 accept ANY", "from AS49895 accept ANY" ],
    "export" : [ "to AS48850 announce AS50366", "to AS49895 announce AS50366" ],
    "organization" : "ORG-ASzo14-RIPE",
    "sponsoring_organization" : "ORG-MSZO84-RIPE",
    "admin_contacts" : [ "ATN11-RIPE" ],
    "tech_contacts" : [ "ATN11-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "ALTERTEL-MNT" ],
    "date_created" : "2009-12-28",
    "date_updated" : "2024-11-30",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-ASzo14-RIPE",
    "name" : "AlterTEL Sp. z o.o.",
    "type" : "OTHER",
    "address" : [ "Al. Jerozolimskie 65/79 lok. 3.175", "00-697 Warszawa", "Poland" ],
    "street" : "Al. Jerozolimskie",
    "city" : "Warszawa",
    "zip_code" : "00-697",
    "country" : [ "PL" ],
    "admin_contacts" : [ "ATN11-RIPE" ],
    "tech_contacts" : [ "ATN11-RIPE" ],
    "abuse_contacts" : [ "AR25054-RIPE" ],
    "mnt_ref" : [ "ALTERTEL-MNT" ],
    "mnt_by" : [ "ALTERTEL-MNT" ],
    "date_created" : "2009-12-17",
    "date_updated" : "2022-12-01",
    "source" : "RIPE",
    "addressCountry" : "POLAND"
  },
  "administrative_contacts" : [ {
    "handle" : "ATN11-RIPE",
    "name" : "AlterTEL NOC",
    "address" : [ "AlterTEL Sp. z o.o.", "Al. Jerozolimskie 65/79 lok. 3.175", "00-697 Warszawa", "POLAND" ],
    "street" : "Al. Jerozolimskie",
    "city" : "Warszawa",
    "zip_code" : "00-697",
    "country" : "POLAND",
    "phone" : [ "+48.22.2920400" ],
    "admin_contacts" : [ "SZYM1-RIPE" ],
    "tech_contacts" : [ "SZYM1-RIPE" ],
    "mnt_by" : [ "ALTERTEL-MNT" ],
    "date_created" : "2010-01-06",
    "date_updated" : "2020-09-30",
    "source" : "RIPE",
    "addressCountry" : "POLAND"
  } ],
  "technical_contacts" : [ {
    "handle" : "ATN11-RIPE",
    "name" : "AlterTEL NOC",
    "address" : [ "AlterTEL Sp. z o.o.", "Al. Jerozolimskie 65/79 lok. 3.175", "00-697 Warszawa", "POLAND" ],
    "street" : "Al. Jerozolimskie",
    "city" : "Warszawa",
    "zip_code" : "00-697",
    "country" : "POLAND",
    "phone" : [ "+48.22.2920400" ],
    "admin_contacts" : [ "SZYM1-RIPE" ],
    "tech_contacts" : [ "SZYM1-RIPE" ],
    "mnt_by" : [ "ALTERTEL-MNT" ],
    "date_created" : "2010-01-06",
    "date_updated" : "2020-09-30",
    "source" : "RIPE",
    "addressCountry" : "POLAND"
  } ]
}

Peers

AS Number	Description	Country
AS49895	dcenter.pl sp. z o.o.	PL
AS48850	Stowarzyszenie e Poludnie	PL
AS44655	MetroLine Sp. z o.o.	PL

Upstreams

AS Number	Description	Country
AS49895	dcenter.pl sp. z o.o.	PL
AS44655	MetroLine Sp. z o.o.	PL