AS51791 — Ventures-DC Crestu Teknoloji Dijital Hizmetler Limited Sirketi

AS51791 announces 2 IPv4 prefixes covering 768 addresses and 18 IPv6 prefixes.

About this network

The AS handle VENTURESDC is held by Ventures-DC Crestu Teknoloji Dijital Hizmetler Limited Sirketi.

What it's used for

• The address space carries static datacenter infrastructure, evidenced by reverse DNS entries such as static-153.56.128.128.ventures.com.tr and netnames like VENTURES-DC-VERI-MERKEZI-HIZMETLERI.
• The AS announces 768 IPv4 addresses across 2 prefixes and 19 IPv6 prefixes, while maintaining only 2 observed neighbours, indicating a hosting or datacenter role rather than transit.
• Traffic from this AS consists of web and API endpoints hosted within the Ventures DC datacenter facilities in Turkey.

Notable

• Registrants align with the announcer, listing Crestu Teknoloji Dijital Hizmetler Limited Sirketi and Ventures DC Telekomunikasyon ve Bilgi Teknolojileri Sanayi ve Ticaret Limited Sirketi.
• The address inventory is compact, consisting of two contiguous IPv4 blocks and a series of aggregated IPv6 prefixes under the 2a11:1fc0::/48 space.

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

Announced prefixes

• 153.56.128.0/23
• 153.56.130.0/24
• 2a11:1fc0::/44
• 2a11:1fc0:11::/48
• 2a11:1fc0:12::/48
• 2a11:1fc0:15::/48
• 2a11:1fc0:16::/47
• 2a11:1fc0:18::/45
• 2a11:1fc0:20::/43
• 2a11:1fc0:40::/42
• 2a11:1fc0:80::/41
• 2a11:1fc0:100::/40
• 2a11:1fc0:200::/39
• 2a11:1fc0:400::/38
• 2a11:1fc0:800::/37
• 2a11:1fc0:1000::/36
• 2a11:1fc0:2000::/35
• 2a11:1fc0:4000::/34
• 2a11:1fc0:8000::/33
• 2a11:1fc2::/32

Upstream networks

• AS43260 DGN TEKNOLOJI A.S.

Downstream networks

• AS218103
• AS197261 Omer Can Kucergun
• AS218994 HAZOURI & ZIEN TELCOM INTERNET SERVICES LLC
• AS218446 ABDULKADIR YILDIRIM

Adjacent networks

• AS43260 DGN TEKNOLOJI A.S.
• AS218103
• AS197261 Omer Can Kucergun
• AS218446 ABDULKADIR YILDIRIM
• AS218994 HAZOURI & ZIEN TELCOM INTERNET SERVICES LLC

Routing security

• RPKI: 5 valid, 0 invalid and 0 not-found announcements; 15 ROAs.
• ASPA: none published.
• IRR: 80% of announcements registered; 37 route objects.
• Listed in as-sets: AS-AF81NET, AS-AZAD24NET, AS-BAHARSYS-SET, AS-CORBINA, AS-DCI, AS-DGN, AS-MOSINTER, AS-NEWLINETELECOM, AS-TICGW, AS34984:AS-TELLCOM, AS51791:AS-VENTURESDC.