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Autonomous System

AS40966

ZAO Web Hosting

Announced IPs
2,816
CIDR prefixes
5
ASN
AS40966

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.

53/100
Caution
How this score is built

Experimental · trust-vectors model v1.3.0 — a transparent heuristic, not a definitive verdict. How it works →

⚠ 5 MOAS prefixes — multiple origin ASNs detected

All MOAS anomalies →

A previously stable prefix originated by AS40966 is now also announced by another ASN (MOAS — Multiple-Origin AS), detected from our RIPE RIS collectors. Often benign (anycast, multi-homing, or a recent transfer) — but it can signal a route leak or prefix hijack, so it's worth inspecting.

PrefixOrigin ASNsLast detected (UTC)
185.67.166.0/24 AS40966, AS64249 2026-10-29 14:21:55
185.67.165.0/24 AS40966, AS64249 2026-10-29 14:21:55
217.112.44.0/24 AS30943, AS40966 2026-10-29 14:21:55
185.67.164.0/24 AS40966, AS64249 2026-10-29 14:21:55
185.67.167.0/24 AS40966, AS64249 2026-10-29 14:21:55

Network profile

Source: PeeringDB →
Network type Content
Geographic scope Global
Traffic ratio Mostly Outbound
Peering policy Open

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
185.67.164.0/22 1.0K
99.0%
ZAO Web Hosting RU — —
217.112.36.0/23 512
40.6%
ZAO Web Hosting RU — —
217.112.42.0/23 512
59.2%
ZAO Web Hosting RU — —
217.112.44.0/23 512
0.4%
ZAO Web Hosting RU — —
217.112.46.0/24 256
0.8%
ZAO Web Hosting RU — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS40966 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
185.67.164.0/22 85,393 2026-10-29 14:09:55
217.112.45.0/24 66,530 2026-10-29 14:09:55
217.112.46.0/24 66,528 2026-10-29 14:09:55
217.112.42.0/23 58,182 2026-10-29 14:09:55
217.112.36.0/23 41,364 2026-10-29 14:00:12
185.67.166.0/24 39,902 2026-10-29 14:09:55
185.67.164.0/24 37,246 2026-10-29 14:09:55
185.67.165.0/24 37,203 2026-10-29 14:09:55
185.67.167.0/24 35,079 2026-10-29 14:09:55
217.112.44.0/24 34,489 2026-10-29 14:09:55
217.112.32.0/20 28,087 2026-10-29 14:09:24
217.112.36.0/24 23,296 2026-10-29 14:00:12

Frequently Asked Questions

What is AS40966?

AS40966 is an Autonomous System Number assigned to ZAO Web Hosting. 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 AS40966 announce?

AS40966 announces 2.8K IPv4 addresses distributed across 5 routed CIDR prefixes. The network is registered in Russia.

Who operates AS40966?

AS40966 is operated by ZAO Web Hosting. The organization is based in Russia. You can view all IP ranges and related ASNs on the organization page.

What country is AS40966 registered in?

AS40966 is registered in Russia. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-10-29 14:24:05 UTC
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