Data as of Nov 6, 2026

89.19.21.0/24

No anonymizer space · no proxy exits in 30 days

Cizgi Telekomunikasyon Anonim Sirketi

Announcement

this exact prefix

RPKI valid

Announced by

AS34619

Type

Hosting

Risk

50 / 100 · Medium

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
89.19.0.0/19	8,192	TR-CIZGI-20060816	Cizgi Telekomunikasyon Anonim Sirketi (ORG-CBSS1-RIPE) · TR	ALLOCATED PA	Aug 16, 2006	abuse@cizgi.net.tr
└ 89.19.21.0/29	8	CIZGI-TELEKOMUNIKA-NET	Cizgi Telekomunikasyon	ASSIGNED PA	May 30, 2012	abuse@cizgi.net.tr via TR-CIZGI-20060816
└ 89.19.21.16/29	8	Istanbul-aiesec-NET	Istanbul aiesec	ASSIGNED PA	May 6, 2021	abuse@cizgi.net.tr via TR-CIZGI-20060816
└ 89.19.21.24/29	8	Mirza-BADALZADE-Net	Mirza BADALZADE	ASSIGNED PA	May 28, 2024	abuse@cizgi.net.tr via TR-CIZGI-20060816
└ 89.19.21.32/29	8	Cenk-Varol-NET	Cenk Varol	ASSIGNED PA	Jun 3, 2022	abuse@cizgi.net.tr via TR-CIZGI-20060816
└ 89.19.21.40/29	8	Mehmet-Bilen-Net	Mehmet Bilen	ASSIGNED PA	Sep 2, 2025	abuse@cizgi.net.tr via TR-CIZGI-20060816
└ 89.19.21.56/29	8	UFUK-ACAR-NET	Ufuk Acar	ASSIGNED PA	Jun 15, 2017	abuse@cizgi.net.tr via TR-CIZGI-20060816
└ 89.19.21.64/29	8	Aytekin-ozkan-NET	Aytekin ozkan	ASSIGNED PA	Mar 16, 2021	abuse@cizgi.net.tr via TR-CIZGI-20060816
└ 89.19.21.96/29	8	Umut-Ergin-NET	Umut Ergin	ASSIGNED PA	Jul 18, 2020	abuse@cizgi.net.tr via TR-CIZGI-20060816
└ 89.19.21.104/29	8	Mustafa-Erdendog-NET	Mustafa Erdendog	ASSIGNED PA	Jan 12, 2022	abuse@cizgi.net.tr via TR-CIZGI-20060816
└ 89.19.21.128/29	8	Aykut-Alp-KURT-NET	Aykut Alp KURT	ASSIGNED PA	Oct 7, 2015	abuse@cizgi.net.tr via TR-CIZGI-20060816
└ 89.19.21.136/29	8	Ahmet-Goker-Net	Ahmet Goker	ASSIGNED PA	Mar 27, 2023	abuse@cizgi.net.tr via TR-CIZGI-20060816
└ 89.19.21.152/29	8	Naim-Sadikoglu-Net	Naim Sadikoglu	ASSIGNED PA	May 9, 2023	abuse@cizgi.net.tr via TR-CIZGI-20060816
└ 89.19.21.160/29	8	REYSAS-TEKNOLOJI-D-NET	Reysas Teknoloji Depolama Tasimacilik ve Ticaret AS	ASSIGNED PA	Oct 2, 2012	abuse@cizgi.net.tr via TR-CIZGI-20060816
└ 89.19.21.184/29	8	MEHMET-FATIH-YILDIRIM-NET	Mehmet Fatih Yildirim	ASSIGNED PA	Nov 9, 2022	abuse@cizgi.net.tr via TR-CIZGI-20060816
└ 89.19.21.192/29	8	Sahin-Sacli-NET	Sahin Sacli	ASSIGNED PA	Jul 1, 2020	abuse@cizgi.net.tr via TR-CIZGI-20060816
└ 89.19.21.200/29	8	Nesimi-YILDIRIM-Net	Nesimi YILDIRIM	ASSIGNED PA	Feb 6, 2024	abuse@cizgi.net.tr via TR-CIZGI-20060816
└ 89.19.21.224/29	8	Ayhan-POLAT-NET	Ayhan POLAT	ASSIGNED PA	Oct 7, 2015	abuse@cizgi.net.tr via TR-CIZGI-20060816
└ 89.19.21.240/29	8	SOLIS-BILISIM-TEKN-NET	Solis Bilisim Teknolojileri San VE TIC Ltd STI	ASSIGNED PA	Oct 2, 2012	abuse@cizgi.net.tr via TR-CIZGI-20060816
└ 89.19.21.248/29	8	NATRO-COM-HOSTING	Cizgi Telekom A.S.	ASSIGNED PA	Aug 24, 2010	abuse@cizgi.net.tr via TR-CIZGI-20060816

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

Announcement Routing history RPKI & IRR Whois & abuse

Origin network

AS34619

Name: Cizgi Telekomunikasyon Anonim Sirketi
Type: Hosting
Registered: Feb 28, 2005
Domain: cizgi.net.tr
Industry: Hosting and Cloud Provider
Spamhaus ASN-DROP: not listed

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
89.19.0.0/19	AS34619	/24	RIPE	RPKI valid

IRR

Route objects on the exact prefix

Origin	Registry	Description	Maintainer	Modified
AS34619	RIPE	Cizgi Telekom Block	CIZGI-MNT	May 5, 2008

89.19.21.0/24

Registrations in this block

Network & registry

AS34619

Who has announced this prefix

Routing history

Route origin authorizations

Route objects on the exact prefix

Registration for this announcement

Abuse contact