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Autonomous System

AS198966

Fill Networks OU

Announced IPs
9,216
CIDR prefixes
2
ASN
AS198966

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
91.146.64.0/19 8.2K
98.8%
Fill Ltd. EE Ida-Virumaa Narva
185.153.144.0/22 1.0K
99.2%
Fill Ltd. EE Ida-Virumaa Narva

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS198966 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
185.153.144.0/22 6,950 2026-07-24 07:50:36
91.146.64.0/19 6,881 2026-07-24 07:50:36

Frequently Asked Questions

What is AS198966?

AS198966 is an Autonomous System Number assigned to Fill Networks 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 AS198966 announce?

AS198966 announces 9.2K IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in Estonia.

Who operates AS198966?

AS198966 is operated by Fill Networks OU. The organization is based in Estonia. You can view all IP ranges and related ASNs on the organization page.

What country is AS198966 registered in?

AS198966 is registered in Estonia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-24 08:10:33 UTC
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