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Autonomous System

AS57599

Private Enterprise On Line

Announced IPs
512
CIDR prefixes
1
ASN
AS57599

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
91.233.90.0/23 512
1.2%
Private Enterprise On Line UA Zhytomyr Oblast Korosten

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS57599 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
91.233.90.0/23 11,789 2026-07-25 07:44:08

Frequently Asked Questions

What is AS57599?

AS57599 is an Autonomous System Number assigned to Private Enterprise On Line. 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 AS57599 announce?

AS57599 announces 512 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Ukraine.

Who operates AS57599?

AS57599 is operated by Private Enterprise On Line. The organization is based in Ukraine. You can view all IP ranges and related ASNs on the organization page.

What country is AS57599 registered in?

AS57599 is registered in Ukraine. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-25 07:55:32 UTC
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