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Autonomous System

AS43883

Citynet OU

Announced IPs
512
CIDR prefixes
1
ASN
AS43883

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
195.238.64.0/23 512
1.4%
Citynet OU EE Harjumaa Rae Parish

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS43883 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
195.238.64.0/23 7,618 2026-07-30 18:26:53

Frequently Asked Questions

What is AS43883?

AS43883 is an Autonomous System Number assigned to Citynet OU. 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 AS43883 announce?

AS43883 announces 512 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Estonia.

Who operates AS43883?

AS43883 is operated by Citynet OU. The organization is based in Estonia. You can view all IP ranges and related ASNs on the organization page.

What country is AS43883 registered in?

AS43883 is registered in Estonia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-30 18:40:31 UTC
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