What is ASN AS204726?

ASN AS204726 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS204726?

AS204726 is listed under A Teknoloji Yatirim ve Gelistirme Limited Sirketi.

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.

AS204726 A Teknoloji Yatirim ve Gelistirme Limited Sirketi

ASN Lookup Tool

A Teknoloji Yatirim ve Gelistirme Limited Sirketi a-teknoloji.com.tr

TR 1 Routes

AS Data

AS204726

AS204726 – A Teknoloji Yatirim ve Gelistirme Limited Sirketi

AS Number	204726
AS Name	ATeknoloji
Organization	A Teknoloji Yatirim ve Gelistirme Limited Sirketi (org-atyv1-ripe)
Country	TR
Website	a-teknoloji.com.tr
Number of IPv4 Routes	1
Number of IPv6 Routes	0
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2022-06-10

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
91.219.22.0/24	AS204726	A Teknoloji Yatirim ve Gelistirme Limited Sirketi	A Teknoloji Yatirim ve Gelistirme Limited Sirketi	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 'AS203940 - AS205662'

as-block:       AS203940 - AS205662
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:        2026-03-05T15:29:31Z
last-modified:  2026-03-05T15:29:31Z
source:         RIPE

% Information related to 'AS204726'

% Abuse contact for 'AS204726' is 'ipadmin@a-teknoloji.com.tr'

aut-num:        AS204726
as-name:        ATeknoloji
org:            ORG-ATYV1-RIPE
import:         from AS44486 accept ANY
export:         to AS944486 announce AS204726
import:         from AS9121 accept ANY
export:         to AS9121 announce AS204726
import:         from AS47331 accept ANY
export:         to AS47331 announce AS204726
admin-c:        AA37355-RIPE
tech-c:         AA37355-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         lir-tr-ateknoloji-1-MNT
created:        2022-06-10T12:04:45Z
last-modified:  2022-08-29T08:20:29Z
source:         RIPE

organisation:   ORG-ATYV1-RIPE
org-name:       A Teknoloji Yatirim ve Gelistirme Limited Sirketi
org-type:       LIR
address:        Dumlupinar Mah.Yumurtaci Abdibey Cad.B Blok No:15/5 Kadikoy
address:        34720
address:        Istanbul
address:        TURKEY
country:        TR
phone:          +90 212 344 00 44
admin-c:        AA37355-RIPE
tech-c:         AA37355-RIPE
abuse-c:        AR62796-RIPE
mnt-ref:        lir-tr-ateknoloji-1-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         lir-tr-ateknoloji-1-MNT
created:        2021-03-30T06:52:14Z
last-modified:  2021-08-18T08:31:27Z
source:         RIPE # Filtered

role:           Administrative
address:        Dumlupinar Mah.Yumurtaci Abdibey Cad.B Blok No:15/5 Kadikoy
address:        34720
address:        Istanbul
address:        TURKEY
phone:          +90 212 344 00 44
nic-hdl:        AA37355-RIPE
mnt-by:         lir-tr-ateknoloji-1-MNT
created:        2021-03-30T06:52:13Z
last-modified:  2021-03-30T06:52:14Z
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" : "AS203940 - AS205662",
    "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" : "2026-03-05",
    "date_updated" : "2026-03-05",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS204726",
    "as_name" : "ATeknoloji",
    "status" : "ASSIGNED",
    "import" : [ "from AS44486 accept ANY", "from AS9121 accept ANY", "from AS47331 accept ANY" ],
    "export" : [ "to AS944486 announce AS204726", "to AS9121 announce AS204726", "to AS47331 announce AS204726" ],
    "organization" : "ORG-ATYV1-RIPE",
    "admin_contacts" : [ "AA37355-RIPE" ],
    "tech_contacts" : [ "AA37355-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "lir-tr-ateknoloji-1-MNT" ],
    "date_created" : "2022-06-10",
    "date_updated" : "2022-08-29",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-ATYV1-RIPE",
    "name" : "A Teknoloji Yatirim ve Gelistirme Limited Sirketi",
    "type" : "LIR",
    "address" : [ "Dumlupinar Mah.Yumurtaci Abdibey Cad.B Blok No:15/5 Kadikoy", "34720", "Istanbul", "TURKEY" ],
    "street" : "Blok",
    "city" : "Istanbul",
    "zip_code" : "34720",
    "country" : [ "TR" ],
    "phone" : [ "+90 212 344 00 44" ],
    "admin_contacts" : [ "AA37355-RIPE" ],
    "tech_contacts" : [ "AA37355-RIPE" ],
    "abuse_contacts" : [ "AR62796-RIPE" ],
    "mnt_ref" : [ "lir-tr-ateknoloji-1-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "lir-tr-ateknoloji-1-MNT" ],
    "date_created" : "2021-03-30",
    "date_updated" : "2021-08-18",
    "source" : "RIPE",
    "addressCountry" : "TURKEY"
  },
  "administrative_contacts" : [ {
    "handle" : "AA37355-RIPE",
    "name" : "Administrative",
    "address" : [ "Dumlupinar Mah.Yumurtaci Abdibey Cad.B Blok No:15/5 Kadikoy", "34720", "Istanbul", "TURKEY" ],
    "street" : "Blok",
    "city" : "Istanbul",
    "zip_code" : "34720",
    "country" : "TURKEY",
    "phone" : [ "+90 212 344 00 44" ],
    "mnt_by" : [ "lir-tr-ateknoloji-1-MNT" ],
    "date_created" : "2021-03-30",
    "date_updated" : "2021-03-30",
    "source" : "RIPE",
    "addressCountry" : "TURKEY"
  } ],
  "technical_contacts" : [ {
    "handle" : "AA37355-RIPE",
    "name" : "Administrative",
    "address" : [ "Dumlupinar Mah.Yumurtaci Abdibey Cad.B Blok No:15/5 Kadikoy", "34720", "Istanbul", "TURKEY" ],
    "street" : "Blok",
    "city" : "Istanbul",
    "zip_code" : "34720",
    "country" : "TURKEY",
    "phone" : [ "+90 212 344 00 44" ],
    "mnt_by" : [ "lir-tr-ateknoloji-1-MNT" ],
    "date_created" : "2021-03-30",
    "date_updated" : "2021-03-30",
    "source" : "RIPE",
    "addressCountry" : "TURKEY"
  } ]
}

Peers

AS Number	Description	Country
AS47331	TTNet A.S.	TR
AS44486	Oliver Horscht is trading as SYNLINQ	DE
AS44486	Oliver Horscht is trading as "SYNLINQ"	DE
AS944486
AS9121	Turk Telekomunikasyon Anonim Sirketi	TR

Upstreams

AS Number	Description	Country
AS44486	Oliver Horscht is trading as SYNLINQ	DE