View

If you are scraping this block for the prefixes that a AS originates, please use the data dumps in https://bgp.tools/kb/api and cache them

	Prefix	Description
	5.253.220.0/24	-
	5.253.221.0/24	-
	5.253.222.0/24	-
	5.253.223.0/24	-

---

Network Policy

Click here to learn more about what this graph means and what makes up a network policy Global Aggregation Policy nifty_feynman

Chart Display Options

Display links using non straight lines

Prefixes in selected policy

Load all prefixes in policy

---

How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS15924	Vodafone Turkey	✔	✘

---

Peers

	ASN	Description	IPv4	IPv6
	AS15924	Vodafone Turkey	✔	✘

aut-num:        AS209441
as-name:        TEKFEN
org:            ORG-THAS1-RIPE
import:         from AS15924 accept ANY
export:         to AS15924 announce AS209441
import:         from AS9121 accept ANY
export:         to AS9121 announce AS209441
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         mnt-tr-tekfen1-1
created:        2019-02-11T13:14:09Z
last-modified:  2019-02-11T13:14:09Z
source:         RIPE
remarks:        ****************************
remarks:        * THIS OBJECT IS MODIFIED
remarks:        * Please note that all data that is generally regarded as personal
remarks:        * data has been removed from this object.
remarks:        * To view the original object, please query the RIPE Database at:
remarks:        * http://www.ripe.net/whois
remarks:        ****************************


organisation:   ORG-THAS1-RIPE
org-name:       Tekfen Holding Anonim Sirketi
country:        TR
org-type:       LIR
address:        Dummy address for ORG-THAS1-RIPE
# Email removed, Log into bgp.tools to see whois emails/phone numbers
abuse-c:        AR50723-RIPE
mnt-ref:        mnt-tr-tekfen1-1
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         mnt-tr-tekfen1-1
created:        2019-02-08T14:14:10Z
last-modified:  2026-05-13T07:39:57Z
source:         RIPE
remarks:        ****************************
remarks:        * THIS OBJECT IS MODIFIED
remarks:        * Please note that all data that is generally regarded as personal
remarks:        * data has been removed from this object.
remarks:        * To view the original object, please query the RIPE Database at:
remarks:        * http://www.ripe.net/whois
remarks:        ****************************

Last Update: 2026-06-13T03:24:11Z UTC

---

Member of the following AS-SETs

-	Member	ASN Count
RIPE	as-btelekom	875