AS51791 Ventures-DC Crestu Teknoloji Dijital Hizmetler Limited Sirketi

Ventures-DC Crestu Teknoloji Dijital Hizmetler Limited Sirketi · registered in Turkey

IPv4 addresses7682 prefixes · <0.001% of announced IPv4

Rank in Turkey#346largest network in TR by IPv4 space, of 872 · <0.01% of TR

Rank worldwide#42,590of 79,396 networks with IPv4

IPv61 x /32 (131,069 x /48)18 prefixes

CountryTurkey888 ASNs registered there

Open AS51791 in ASN lookup Look up an IP in this network (153.56.128.1) All networks in Turkey

IPv4 prefixes

All 2 prefixes, in address order.

153.56.128.0/23
153.56.130.0/24

IPv6 prefixes

All 18 prefixes.

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

Similar-sized networks in Turkey

ASNNameIPv4 addresses

AS215977#343 TUBITAK-MAM-AS TUBITAK MAM1,024

AS216210#344 didimnet DIDIM NET ELEKTRONIK HABERLESME TICARET LIMITED SIRKETI1,024

AS216146#345 NESNET NESNET INTERNET HIZMETLERI TICARET ANONIM SIRKETI768

AS203248#347 BurtiNET BNET BULUT Bilisim Hizmetleri Tic. Ltd. Sti.768

AS202365#348 Chronos Omer GOLGELI768

AS34755#349 TOBB Turkiye Odalar ve Borsalar Birligi768

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources