ASN AS39172 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS39172?

AS39172 is listed under Merkezi Kayit Kurulusu Anonim 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?

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AS39172 Merkezi Kayit Kurulusu Anonim Sirketi

ASN Lookup Tool

Merkezi Kayit Kurulusu Anonim Sirketi mkk.com.tr

TR 4 Routes

AS Data

AS39172

AS39172 – Merkezi Kayit Kurulusu Anonim Sirketi

AS Number	39172
AS Name	MERKEZ-AS
Organization	Merkezi Kayit Kurulusu Anonim Sirketi (org-mkka1-ripe)
Country	TR
Website	mkk.com.tr
Number of IPv4 Routes	4
Number of IPv6 Routes	0
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2005-12-27

ASN Intelligence API for production workflows

Use ASN data for AS39172 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
185.53.60.0/24	AS39172	Merkezi Kayit Kurulusu Anonim Sirketi	Merkezi Kayit Kurulusu Anonim Sirketi	256
185.53.63.0/24	AS39172	Merkezi Kayit Kurulusu Anonim Sirketi	Merkezi Kayit Kurulusu Anonim Sirketi	256
185.53.61.0/24	AS39172	Merkezi Kayit Kurulusu Anonim Sirketi	Merkezi Kayit Kurulusu Anonim Sirketi	256
185.53.62.0/24	AS39172	Merkezi Kayit Kurulusu Anonim Sirketi	Merkezi Kayit Kurulusu Anonim 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 'AS38912 - AS39599'

as-block:       AS38912 - AS39599
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:        2023-08-29T07:47:54Z
last-modified:  2023-08-29T07:47:54Z
source:         RIPE

% Information related to 'AS39172'

% Abuse contact for 'AS39172' is 'network@mkk.com.tr'

aut-num:        AS39172
as-name:        MERKEZ-AS
import:         from AS5422 accept ANY
export:         to AS5422 announce AS39172
import:         from AS9121 accept ANY
export:         to AS9121 announce AS39172
import:         from AS6822 accept ANY
import:         from AS34984 accept ANY
export:         to AS6822 announce AS39172
export:         to AS34984 announce AS39172
default:        to AS5422 networks ANY
org:            ORG-MKKA1-RIPE
admin-c:        SC5194-RIPE
tech-c:         SC5194-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         OguzErdogu
created:        2005-12-27T15:31:03Z
last-modified:  2025-08-28T07:13:58Z
source:         RIPE # Filtered

organisation:   ORG-MKKA1-RIPE
org-name:       Merkezi Kayit Kurulusu Anonim Sirketi
country:        TR
org-type:       LIR
address:        Resitpasa Mah. Borsa Istanbul Cad. No:4
address:        34467
address:        Istanbul
address:        TURKEY
phone:          +902123345700
fax-no:         +902123345757
mnt-ref:        OguzErdogu
mnt-ref:        MNT-MKK-SEC
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-MKK-SEC
tech-c:         MIS87-RIPE
abuse-c:        MM38864-RIPE
admin-c:        MIS87-RIPE
remarks:        ns2.pusulanet.com.tr
remarks:        ns1.pusulanet.com.tr
created:        2014-04-03T09:40:37Z
last-modified:  2022-07-28T13:21:02Z
source:         RIPE # Filtered

person:         Serdar Coskun
address:        Merkezi Kayit Kurulusu
phone:          +90 212 334 5700
fax-no:         +90 212 334 5700
nic-hdl:        SC5194-RIPE
created:        2005-12-16T09:53:27Z
last-modified:  2016-04-07T07:57:58Z
mnt-by:         RIPE-NCC-LOCKED-MNT
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" : "AS38912 - AS39599",
    "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" : "2023-08-29",
    "date_updated" : "2023-08-29",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS39172",
    "as_name" : "MERKEZ-AS",
    "status" : "ASSIGNED",
    "import" : [ "from AS5422 accept ANY", "from AS9121 accept ANY", "from AS6822 accept ANY", "from AS34984 accept ANY" ],
    "export" : [ "to AS5422 announce AS39172", "to AS9121 announce AS39172", "to AS6822 announce AS39172", "to AS34984 announce AS39172" ],
    "default" : [ "to AS5422 networks ANY" ],
    "organization" : "ORG-MKKA1-RIPE",
    "admin_contacts" : [ "SC5194-RIPE" ],
    "tech_contacts" : [ "SC5194-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "OguzErdogu" ],
    "date_created" : "2005-12-27",
    "date_updated" : "2025-08-28",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-MKKA1-RIPE",
    "name" : "Merkezi Kayit Kurulusu Anonim Sirketi",
    "type" : "LIR",
    "address" : [ "Resitpasa Mah. Borsa Istanbul Cad. No:4", "34467", "Istanbul", "TURKEY" ],
    "street" : "Resitpasa Mah. Borsa Istanbul Cad. No",
    "city" : "Istanbul",
    "zip_code" : "34467",
    "country" : [ "TR" ],
    "phone" : [ "+902123345700" ],
    "fax_no" : [ "+902123345757" ],
    "admin_contacts" : [ "MIS87-RIPE" ],
    "tech_contacts" : [ "MIS87-RIPE" ],
    "abuse_contacts" : [ "MM38864-RIPE" ],
    "remarks" : [ "ns2.pusulanet.com.tr", "ns1.pusulanet.com.tr" ],
    "mnt_ref" : [ "OguzErdogu", "MNT-MKK-SEC", "RIPE-NCC-HM-MNT" ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT", "MNT-MKK-SEC" ],
    "date_created" : "2014-04-03",
    "date_updated" : "2022-07-28",
    "source" : "RIPE",
    "addressCountry" : "TURKEY"
  },
  "administrative_contacts" : [ {
    "handle" : "SC5194-RIPE",
    "name" : "Serdar Coskun",
    "address" : [ "Merkezi Kayit Kurulusu" ],
    "phone" : [ "+90 212 334 5700" ],
    "fax_no" : [ "+90 212 334 5700" ],
    "mnt_by" : [ "RIPE-NCC-LOCKED-MNT" ],
    "date_created" : "2005-12-16",
    "date_updated" : "2016-04-07",
    "source" : "RIPE"
  } ],
  "technical_contacts" : [ {
    "handle" : "SC5194-RIPE",
    "name" : "Serdar Coskun",
    "address" : [ "Merkezi Kayit Kurulusu" ],
    "phone" : [ "+90 212 334 5700" ],
    "fax_no" : [ "+90 212 334 5700" ],
    "mnt_by" : [ "RIPE-NCC-LOCKED-MNT" ],
    "date_created" : "2005-12-16",
    "date_updated" : "2016-04-07",
    "source" : "RIPE"
  } ]
}

Peers

AS Number	Description	Country
AS6822	Superonline Iletisim Hizmetleri A.S.	TR
AS34984	Superonline Iletisim Hizmetleri A.S.	TR
AS9121	Turk Telekomunikasyon Anonim Sirketi	TR
AS5422	Superonline Iletisim Hizmetleri A.S.	TR

Upstreams

AS Number	Description	Country
AS34984	Superonline Iletisim Hizmetleri A.S.	TR
AS9121	Turk Telekomunikasyon Anonim Sirketi	TR