ASN AS47850 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS47850?

AS47850 is listed under TAU INTERNET 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.

AS47850 TAU INTERNET Sp. z o.o.

ASN Lookup Tool

TAU INTERNET Sp. z o.o. tau.pl

PL 1 Routes

AS Data

AS47850

AS47850 – TAU INTERNET Sp. z o.o.

AS Number	47850
AS Name	TAU-AS
Organization	TAU INTERNET Sp. z o.o. (org-tisz4-ripe)
Country	PL
Website	tau.pl
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	ISP
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2008-09-03

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Use ASN data for AS47850 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
91.205.88.0/22	AS47850	TAU INTERNET Sp. z o.o.	TAU INTERNET Sp. z o.o.	1024

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 'AS47385 - AS47868'

as-block:       AS47385 - AS47868
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:        2024-07-08T14:18:47Z
last-modified:  2024-07-08T14:18:47Z
source:         RIPE

% Information related to 'AS47850'

% Abuse contact for 'AS47850' is 'abuse@tau.pl'

aut-num:        AS47850
as-name:        TAU-AS
org:            ORG-TISZ4-RIPE
import:         from AS48850 accept ANY
import:         from AS201054 accept ANY
import:         from AS50607 accept ANY
import:         from AS62081 accept ANY
import:         from AS62047 accept ANY
import:         from AS24115 accept ANY
import:         from AS1299 accept ANY
export:         to AS48850 announce AS47850
export:         to AS1299 announce AS47850
export:         to AS24115 announce AS47850
export:         to AS201054 announce AS47850
export:         to AS50607 announce AS47850
export:         to AS62081 announce AS47850
export:         to AS62047 announce AS47850
admin-c:        LC179-RIPE
tech-c:         LC179-RIPE
status:         ASSIGNED
mnt-by:         INETGROUP-MNT
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MNT-TAU
created:        2008-09-03T07:37:17Z
last-modified:  2022-04-10T17:17:22Z
source:         RIPE # Filtered
sponsoring-org: ORG-GSZO38-RIPE

organisation:   ORG-TISZ4-RIPE
org-name:       TAU INTERNET Sp. z o.o.
country:        PL
org-type:       OTHER
address:        ul. Grzybowska 87, 00-844 Warszawa
abuse-c:        TAU5-RIPE
mnt-ref:        INETGROUP-MNT
mnt-by:         INETGROUP-MNT
created:        2018-10-05T06:40:53Z
last-modified:  2022-12-01T16:55:24Z
source:         RIPE # Filtered

person:         Lukasz Chajkaluk
address:        TAU INTERNET sp. z o.o.
address:        ul. Grzybowska 87
address:        00-844 Warszawa
address:        POLAND
remarks:        www.tau.pl
phone:          +48 502366590
nic-hdl:        LC179-RIPE
mnt-by:         MNT-TAU
created:        2002-05-26T11:50:27Z
last-modified:  2026-01-01T20:18:38Z
source:         RIPE

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

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS47385 - AS47868",
    "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" : "2024-07-08",
    "date_updated" : "2024-07-08",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS47850",
    "as_name" : "TAU-AS",
    "status" : "ASSIGNED",
    "import" : [ "from AS48850 accept ANY", "from AS201054 accept ANY", "from AS50607 accept ANY", "from AS62081 accept ANY", "from AS62047 accept ANY", "from AS24115 accept ANY", "from AS1299 accept ANY" ],
    "export" : [ "to AS48850 announce AS47850", "to AS1299 announce AS47850", "to AS24115 announce AS47850", "to AS201054 announce AS47850", "to AS50607 announce AS47850", "to AS62081 announce AS47850", "to AS62047 announce AS47850" ],
    "organization" : "ORG-TISZ4-RIPE",
    "sponsoring_organization" : "ORG-GSZO38-RIPE",
    "admin_contacts" : [ "LC179-RIPE" ],
    "tech_contacts" : [ "LC179-RIPE" ],
    "mnt_by" : [ "INETGROUP-MNT", "RIPE-NCC-END-MNT", "MNT-TAU" ],
    "date_created" : "2008-09-03",
    "date_updated" : "2022-04-10",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-TISZ4-RIPE",
    "name" : "TAU INTERNET Sp. z o.o.",
    "type" : "OTHER",
    "address" : [ "ul. Grzybowska 87, 00-844 Warszawa" ],
    "street" : "Ul. Grzybowska",
    "city" : "Warszawa",
    "zip_code" : "00-844",
    "country" : [ "PL" ],
    "abuse_contacts" : [ "TAU5-RIPE" ],
    "mnt_ref" : [ "INETGROUP-MNT" ],
    "mnt_by" : [ "INETGROUP-MNT" ],
    "date_created" : "2018-10-05",
    "date_updated" : "2022-12-01",
    "source" : "RIPE"
  },
  "administrative_contacts" : [ {
    "handle" : "LC179-RIPE",
    "name" : "Lukasz Chajkaluk",
    "address" : [ "TAU INTERNET sp. z o.o.", "ul. Grzybowska 87", "00-844 Warszawa", "POLAND" ],
    "street" : "Ul. Grzybowska",
    "city" : "Warszawa",
    "zip_code" : "00-844",
    "country" : "POLAND",
    "phone" : [ "+48 502366590" ],
    "remarks" : [ "www.tau.pl" ],
    "mnt_by" : [ "MNT-TAU" ],
    "date_created" : "2002-05-26",
    "date_updated" : "2026-01-01",
    "source" : "RIPE",
    "addressCountry" : "POLAND"
  } ],
  "technical_contacts" : [ {
    "handle" : "LC179-RIPE",
    "name" : "Lukasz Chajkaluk",
    "address" : [ "TAU INTERNET sp. z o.o.", "ul. Grzybowska 87", "00-844 Warszawa", "POLAND" ],
    "street" : "Ul. Grzybowska",
    "city" : "Warszawa",
    "zip_code" : "00-844",
    "country" : "POLAND",
    "phone" : [ "+48 502366590" ],
    "remarks" : [ "www.tau.pl" ],
    "mnt_by" : [ "MNT-TAU" ],
    "date_created" : "2002-05-26",
    "date_updated" : "2026-01-01",
    "source" : "RIPE",
    "addressCountry" : "POLAND"
  } ]
}

Peers

AS Number	Description	Country
AS24482	SG.GS	SG
AS50607	Stowarzyszenie e-Poludnie	PL
AS62081	Stowarzyszenie e-Poludnie	PL
AS51465	M3.NET Sp. zoo	PL
AS50607	Stowarzyszenie e Poludnie	PL
AS62081	Stowarzyszenie e Poludnie	PL
AS24115	Equinix Asia Pacific Pte Ltd	SG
AS56373	WAVE FIBER Sp. z.o.o.	PL
AS201054	Stowarzyszenie e-Poludnie	PL
AS48850	Stowarzyszenie e Poludnie	PL

Upstreams

AS Number	Description	Country
AS201054	Stowarzyszenie e Poludnie	PL
AS1299	Arelion Sweden AB	SE
AS62081	Stowarzyszenie e Poludnie	PL
AS50607	Stowarzyszenie e Poludnie	PL