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AS213751 YALNIZ BILISIM TEKNOLOJILERI TIC. LTD.STI.

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

ASN Lookup Tool

YALNIZ BILISIM TEKNOLOJILERI TIC. LTD.STI. olfe.net.tr

TR 3 Routes

AS Data

AS213751

AS213751 – YALNIZ BILISIM TEKNOLOJILERI TIC. LTD.STI.

AS Number	213751
AS Name	YALNIZ
Organization	YALNIZ BILISIM TEKNOLOJILERI TIC. LTD.STI. (org-ybtt2-ripe)
Country	TR
Website	olfe.net.tr
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2024-12-05

ASN Intelligence API for production workflows

Use ASN data for AS213751 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
193.124.124.0/24	AS213751	YALNIZ BILISIM TEKNOLOJILERI TIC. LTD.STI.	Yalniz Bilisim Teknolojileri Tic. Ltd.sti.	256
185.177.27.0/24	AS213751	YALNIZ BILISIM TEKNOLOJILERI TIC. LTD.STI.	Mobosoft	256
45.39.69.0/24	AS213751	YALNIZ BILISIM TEKNOLOJILERI TIC. LTD.STI.	Yalniz Bilisim Teknolojileri Tic. Ltd.sti.	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 'AS208189 - AS214345'

as-block:       AS208189 - AS214345
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:        2026-02-12T14:40:05Z
last-modified:  2026-02-12T14:40:05Z
source:         RIPE

% Information related to 'AS213751'

% Abuse contact for 'AS213751' is 'abuse@olfe.net.tr'

aut-num:        AS213751
as-name:        YALNIZ
org:            ORG-YBTT2-RIPE
sponsoring-org: ORG-NBTS5-RIPE
import:         from AS214466 accept ANY
export:         to AS214466 announce AS213751
import:         from AS62425 accept ANY
export:         to AS62425 announce AS213751
admin-c:        OY533-RIPE
tech-c:         OY533-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         ae-olfe-mnt
mnt-by:         nurullah-mnt
created:        2024-12-05T12:56:15Z
last-modified:  2025-12-15T12:25:54Z
source:         RIPE

organisation:   ORG-YBTT2-RIPE
org-name:       YALNIZ BILISIM TEKNOLOJILERI TIC. LTD.STI.
org-type:       OTHER
address:        TURGUT OZAL MAH. 2192 SK. OLIMPIYATKOY SITESI NO:4 D/12, Yenimahalle, Ankara, 06000, TR
country:        TR
abuse-c:        OLFE-RIPE
mnt-ref:        ae-olfe-mnt
mnt-by:         ae-olfe-mnt
mnt-by:         YALNIZ-MNT
created:        2024-11-27T15:45:30Z
last-modified:  2025-01-06T12:59:26Z
source:         RIPE # Filtered

role:           Oguzhan Yalniz
address:        TURGUT OZAL MAH. 2192 SK. OLIMPIYATKOY SITESI NO:4 D/12, Yenimahalle, Ankara, 06000, TR
nic-hdl:        OY533-RIPE
mnt-by:         YALNIZ-MNT
created:        2024-11-27T15:43:25Z
last-modified:  2024-11-27T15:43:25Z
source:         RIPE # Filtered

% 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" : "AS208189 - AS214345",
    "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" : "2026-02-12",
    "date_updated" : "2026-02-12",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS213751",
    "as_name" : "YALNIZ",
    "status" : "ASSIGNED",
    "import" : [ "from AS214466 accept ANY", "from AS62425 accept ANY" ],
    "export" : [ "to AS214466 announce AS213751", "to AS62425 announce AS213751" ],
    "organization" : "ORG-YBTT2-RIPE",
    "sponsoring_organization" : "ORG-NBTS5-RIPE",
    "admin_contacts" : [ "OY533-RIPE" ],
    "tech_contacts" : [ "OY533-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "ae-olfe-mnt", "nurullah-mnt" ],
    "date_created" : "2024-12-05",
    "date_updated" : "2025-12-15",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-YBTT2-RIPE",
    "name" : "YALNIZ BILISIM TEKNOLOJILERI TIC. LTD.STI.",
    "type" : "OTHER",
    "address" : [ "TURGUT OZAL MAH. 2192 SK. OLIMPIYATKOY SITESI NO:4 D/12, Yenimahalle, Ankara, 06000, TR" ],
    "street" : "No",
    "city" : "Ankara",
    "zip_code" : "06000",
    "country" : [ "TR" ],
    "abuse_contacts" : [ "OLFE-RIPE" ],
    "mnt_ref" : [ "ae-olfe-mnt" ],
    "mnt_by" : [ "ae-olfe-mnt", "YALNIZ-MNT" ],
    "date_created" : "2024-11-27",
    "date_updated" : "2025-01-06",
    "source" : "RIPE",
    "addressCountry" : "TR"
  },
  "administrative_contacts" : [ {
    "handle" : "OY533-RIPE",
    "name" : "Oguzhan Yalniz",
    "address" : [ "TURGUT OZAL MAH. 2192 SK. OLIMPIYATKOY SITESI NO:4 D/12, Yenimahalle, Ankara, 06000, TR" ],
    "street" : "No",
    "city" : "Ankara",
    "zip_code" : "06000",
    "country" : "TR",
    "mnt_by" : [ "YALNIZ-MNT" ],
    "date_created" : "2024-11-27",
    "date_updated" : "2024-11-27",
    "source" : "RIPE",
    "addressCountry" : "TR"
  } ],
  "technical_contacts" : [ {
    "handle" : "OY533-RIPE",
    "name" : "Oguzhan Yalniz",
    "address" : [ "TURGUT OZAL MAH. 2192 SK. OLIMPIYATKOY SITESI NO:4 D/12, Yenimahalle, Ankara, 06000, TR" ],
    "street" : "No",
    "city" : "Ankara",
    "zip_code" : "06000",
    "country" : "TR",
    "mnt_by" : [ "YALNIZ-MNT" ],
    "date_created" : "2024-11-27",
    "date_updated" : "2024-11-27",
    "source" : "RIPE",
    "addressCountry" : "TR"
  } ]
}

Peers

AS Number	Description	Country
AS62425	Mailbox Internet Hizmetleri Ltd. Sti.	TR
AS214466	AE Olfe Tekn. Ve Tic. Ltd. Sti.	TR

Upstreams

AS Number	Description	Country
AS62425	Mailbox Internet Hizmetleri Ltd. Sti.	TR

Frequently Asked Questions

What is ASN AS213751?

ASN AS213751 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS213751?

AS213751 is listed under YALNIZ BILISIM TEKNOLOJILERI TIC. LTD.STI..

What do peers, upstreams, and downstreams mean?

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 included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.