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Autonomous System

AS51739

Is Yatirim Menkul Degerler A.S.

Announced IPs
256
CIDR prefixes
1
ASN
AS51739

Reputation · trust score

A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.

65/100
Moderate
How this score is built

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
91.223.0.0/24 256
1.2%
Is Yatirim Menkul Degerler A.S. TR

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS51739 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
91.223.0.0/24 10,692 2026-07-31 10:45:05

Frequently Asked Questions

What is AS51739?

AS51739 is an Autonomous System Number assigned to Is Yatirim Menkul Degerler A.S.. An ASN identifies a network that controls a specific set of IP addresses and determines how traffic is routed across the internet via BGP (Border Gateway Protocol).

How many IP addresses does AS51739 announce?

AS51739 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Türkiye.

Who operates AS51739?

AS51739 is operated by Is Yatirim Menkul Degerler A.S.. The organization is based in Türkiye. You can view all IP ranges and related ASNs on the organization page.

What country is AS51739 registered in?

AS51739 is registered in Türkiye. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-31 13:40:31 UTC
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