AS34619 — CIZGI CIZGI TELEKOMUNIKASYON ANONIM SIRKETI

Network type: hosting

AS34619 announces 17 IPv4 prefixes covering 29,184 addresses and 0 IPv6 prefixes.

About this network

The AS handle CIZGI is held by Cizgi Telekomunikasyon Anonim Sirketi.

What it's used for

• The address space carries residential and business access traffic, evidenced by reverse DNS entries such as 89-19-8-0.cizgi.net.tr and 94-73-148-0.cizgi.net.tr.
• The network announces 29,696 IPv4 addresses across 18 prefixes while maintaining only 2 observed neighbours, a ratio characteristic of an access or eyeball network rather than a transit provider.

Notable

• Registrants for the largest prefixes include CIZGI TELEKOMUNIKASYON ANONIM SIRKETI and Natro Backbone Group, with the latter appearing on several 94.73.x.x blocks.
• The address inventory is dominated by the 94.73.0.0/16 range, with multiple /20, /21, /22, and /24 prefixes, alongside a single /19 block at 89.19.0.0/19.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 37.148.208.0/21
• 80.253.242.0/24
• 85.159.64.0/21
• 89.19.0.0/19
• 94.73.129.0/24
• 94.73.130.0/23
• 94.73.132.0/22
• 94.73.136.0/22
• 94.73.140.0/23
• 94.73.142.0/24
• 94.73.144.0/20
• 94.73.160.0/21
• 94.73.168.0/22
• 94.73.172.0/23
• 94.73.174.0/24
• 94.73.176.0/20
• 185.22.184.0/22

Upstream networks

• AS12735 TurkNet Iletisim Hizmetleri A.S.
• AS42910 PremierDC Veri Merkezi Anonim Sirketi

Adjacent networks

• AS12735 TurkNet Iletisim Hizmetleri A.S.
• AS42910 PremierDC Veri Merkezi Anonim Sirketi

Routing security

• RPKI: 114 valid, 0 invalid and 0 not-found announcements; 9 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 123 route objects.
• Listed in as-sets: AS-42910, AS-AATELEKOM, AS-CIZGI, AS-INTERNETSAHIBI, AS-NICPROXY, AS-RADORE, AS-RETN-ACTUAL-V4, AS-TTNET, AS-TURKNETTR, AS-TURKTELEKOM, AS-UDOS, AS34984:AS-TELLCOM.