CRESTU Teknoloji Dijital Hizmetler Limited Sirketi
Network analysts and abuse handlers monitoring Turkish hosting infrastructure depend on the stability of the RIPE record linking AS51791 to CRESTU. A change to that record could instantly obscure the operator’s identity, disrupt abuse handling, and hide the control surface behind colocation and IP leasing customers. The company’s broad service portfolio—from domain registration to cabinet rental—makes it a central dependency for a range of downstream clients.
作者Harriet Li
Editorial owner accountable for this profile route.
阅读时间3 min
Estimated reading time at standard editorial pace.
发布时间Jun 02, 2026
Date this profile last entered editorial circulation.
Last updateJun 02, 2026
Date this profile last entered editorial circulation.
CategoryDigital infrastructure institution
Controlled classification used for cross-profile comparison.
区域Turkey
Primary geography where current signals are most visible.
Signal FocusInstitution Type
Principal area tracked in this intelligence profile.
内容类型Profile
Structured profile used for cross-category comparison.
主领域Infrastructure
Primary editorial domain framing the analysis.
主题Hosting, colocation, and IP leasing
Controlled taxonomy label used for this profile route.
时间跨度Quarter (30-120d)
Most likely window for material strategy effects.
影响MediumThe signal alters planning assumptions but usually requires secondary implementation before full effect.
置信度0.95
Anchored to multiple primary-source references and direct disclosures.
CRESTU Teknoloji Dijital Hizmetler Limited Sirketi provides hosting, colocation, servers, and IP leasing under the CRESTU and Ventures DC brands. Its AS51791 network has upstream DGN TEKNOLOJI and downstreams MEOHOST and Mehmet UGURLU. Public attribution relies on the RIPE role DA11482-RIPE, which lacks a named individual. Evidence is limited to operator websites, BGP.tools, and WHOIS mirrors; facility certifications, legal brand linkage, and a PeeringDB entry are missing. Watchpoints include registry record changes, BGP prefix volatility, and brand consistency. The company’s impact is moderate, but its registry fragility is a critical operational watchpoint.
Core Entity Brief
Core Entity Brief
Entity
CRESTU Teknoloji Dijital Hizmetler Limited Sirketi
Public role
Network analysts and abuse handlers monitoring Turkish hosting infrastructure depend on the stability of the RIPE record linking AS51791 to CRESTU. A change to that record could instantly obscure the operator’s identity, disrupt abuse handling, and hide the control surface behind colocation and IP leasing customers. The company’s broad service portfolio—from domain registration to cabinet rental—makes it a central dependency for a range of downstream clients.
Region
Turkey
Category
Digital infrastructure institution
Primary domain
Infrastructure
Signal focus
Institution Type
Time horizon
Quarter (30-120d)
Impact
Medium
Confidence
0.95
Evidence coverage
8 public source references
Related coverage
Profile anchor article
Website
Public evidence pending
Last update
Jun 02, 2026
CRESTU Teknoloji Dijital Hizmetler Limited Sirketi provides hosting, colocation, dedicated servers, cabinet rental, and IPv4 subnet leasing in Turkey, anchored by AS51791 and administratively linked to the RIPE role DA11482-RIPE.
What It Does
Visible operating role: The company delivers domain registration, shared/VPS/cloud hosting, dedicated servers, colocation, cabinet rental, and IPv4 subnet leasing; its autonomous system AS51791 peers with upstream DGN TEKNOLOJI and serves downstream customers MEOHOST and Mehmet UGURLU.
Revenue and customer gap: No supplied evidence establishes a revenue model, customer base, or contract position; those claims need official, financial, or service-source support before publication.
Operating Snapshot
Autonomous system: AS51791 registered under CRESTU in RIPE, originating 7 IPv4 and 4 IPv6 prefixes with upstream AS43260 and downstreams AS209658, AS206115.
Web presence: Two active operator websites: crestu.com (hosting/IP services) and ventures.com.tr (data-center colocation and rental).
Control Surface
Registry administration: The Director role (DA11482-RIPE) governs admin/tech contacts for AS51791; changes control abuse-handling visibility.
BGP routing: The operator can announce, withdraw, or reallocate IP prefixes originated by AS51791, affecting customer reachability.
Physical infrastructure: Control over data-center cabinet space, power, cooling, and colocated hardware forms the core operating surface.
Watchpoints
Registry changes: Modifications to DA11482-RIPE, ORG-CTDH1-RIPE, or maintainer fields would shift the operator baseline.
Prefix volatility: New, withdrawn, or reassigned prefixes from AS51791 signal infrastructure churn.
Brand divergence: Changes to crestu.com or ventures.com.tr branding, or emergence of PeeringDB, would clarify organisational structure.
AS208394 reassociation: If AS208394 reappears linked to this role, the operator scope would widen; current evidence shows separation.
Domain of operation
Network analysts and abuse handlers monitoring Turkish hosting infrastructure depend on the stability of the RIPE record linking AS51791 to CRESTU. A change to that record could instantly obscure the operator’s identity, disrupt abuse handling, and hide the control surface behind colocation and IP leasing customers. The company’s broad service portfolio—from domain registration to cabinet rental—makes it a central dependency for a range of downstream clients.
Public role: CRESTU Teknoloji Dijital Hizmetler Limited Sirketi is framed by network analysts and abuse handlers monitoring turkish hosting infrastructure depend on the stability of the ripe record linking as51791 to crestu. a change to that record could instantly obscure the operator’s identity, disrupt abuse handling, and hide the control surface behind colocation and ip leasing customers. the company’s broad service portfolio—from domain registration to cabinet rental—makes it a central dependency for a range of downstream clients. and public infrastructure context. Evidence basis: Registry RDAP / WHOIS record; Operator website
Operating surface: Hosting, colocation, and IP leasing and Turkey provide the public context for this institution profile. Evidence basis: Registry RDAP / WHOIS record; Operator website
Timeline
CRESTU Teknoloji Dijital Hizmetler Limited Sirketi public profile updated
Public coverage records CRESTU Teknoloji Dijital Hizmetler Limited Sirketi as a subject for role, operating context, and evidence review.
Signal Map
Signal Map
Why tracked: Network analysts and abuse handlers monitoring Turkish hosting infrastructure depend on the stability of the RIPE record linking AS51791 to CRESTU. A change to that record could instantly obscure the operator’s identity, disrupt abuse handling, and hide the control surface behind colocation and IP leasing customers. The company’s broad service portfolio—from domain registration to cabinet rental—makes it a central dependency for a range of downstream clients.
Object role: The company delivers domain registration, shared and cloud hosting, dedicated servers, colocation, cabinet rental, and IPv4 subnet leasing. It peers upstream with DGN TEKNOLOJI and serves downstream customers including MEOHOST and Mehmet UGURLU. Its autonomous system AS51791 originates a small set of IPv4 and IPv6 prefixes, and its entire public registry attribution depends on the role handle DA11482-RIPE.
Impact note: If the DA11482-RIPE role is altered, removed, or reassigned, the ability to associate AS51791 with CRESTU degrades immediately. That breakdown would delay abuse response, break chain-of-trust for downstream networks, and make it harder to determine who controls the IP resources used by colocated hardware and hosting customers. No fallback public attribution mechanism exists.
Control surface: public operating records, official service pages, source-backed relationship updates
Key dependencies: official company sources, public registries, operator-published records
Public View
The public read of CRESTU Teknoloji Dijital Hizmetler Limited Sirketi is limited to visible role, operating context, and relationship evidence.
Watchpoints
New public role, affiliation, product, policy, or market disclosures.
Verified relationship changes involving named organizations or people.
Caveats
Private or unverified claims are excluded from this public view.
FAQ
Why is CRESTU Teknoloji Dijital Hizmetler Limited Sirketi included?
CRESTU Teknoloji Dijital Hizmetler Limited Sirketi has public evidence that makes the institution relevant to BTW's coverage of digital infrastructure, governance, or markets.
What is public about this profile?
The public layer covers visible role, operating context, linked organizations, and evidence-backed watchpoints.
What should readers watch next?
Readers should watch for source-backed role changes, new partnerships, regulatory exposure, operating expansion, or evidence that changes the public assessment.
