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Autonomous System

AS396566

VeriSign Global Registry Services

Announced IPs
768
CIDR prefixes
3
ASN
AS396566

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 →

⚠ 16 MOAS prefixes — multiple origin ASNs detected

All MOAS anomalies →

A previously stable prefix originated by AS396566 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)
192.82.134.0/24 AS396549, AS396566 2026-11-09 20:53:36
192.41.162.0/24 AS19836, AS20172, AS21313, AS36617, AS36618, AS36625, AS40647, AS396550, AS396566, AS396576, AS396599, AS396602, AS397193, AS397195 2026-11-09 20:53:36
192.30.45.0/24 AS396549, AS396566 2026-11-09 20:53:36
192.55.83.0/24 AS19836, AS20172, AS21313, AS36617, AS36618, AS36625, AS40647, AS396550, AS396566, AS396576, AS396599, AS396602, AS397193, AS397195 2026-11-09 20:53:36
185.100.0.0/24 AS21313, AS32651, AS36617, AS36618, AS36628, AS36629, AS36631, AS40647, AS211369, AS396566, AS396567, AS396576, AS396583, AS397194, AS397203 2026-11-09 20:53:36
192.42.176.0/24 AS396549, AS396566 2026-11-09 20:53:36
192.42.178.0/24 AS21313, AS32651, AS36617, AS36618, AS36628, AS36629, AS36631, AS40647, AS211369, AS396566, AS396567, AS396576, AS396583, AS397194, AS397203 2026-11-09 20:53:36
192.153.247.0/24 AS396549, AS396566 2026-11-09 20:53:36
192.52.178.0/24 AS19836, AS20172, AS21313, AS36617, AS36618, AS36625, AS40647, AS396550, AS396566, AS396576, AS396599, AS396602, AS397193, AS397195 2026-11-09 20:53:36
198.41.0.0/24 AS396549, AS396566 2026-11-09 20:53:36
199.7.71.0/24 AS396549, AS396566 2026-11-09 20:53:36
192.58.128.0/24 AS396566, AS396748 2026-11-09 20:53:36
192.68.130.0/24 AS396549, AS396566 2026-11-09 20:53:36
192.42.174.0/24 AS21313, AS32651, AS36617, AS36618, AS36628, AS36629, AS36631, AS40647, AS211369, AS396566, AS396567, AS396576, AS396583, AS397194, AS397203 2026-11-09 20:53:36
192.48.79.0/24 AS19836, AS20172, AS21313, AS36617, AS36618, AS36625, AS40647, AS396550, AS396566, AS396576, AS396599, AS396602, AS397193, AS397195 2026-11-09 20:53:36

Showing the 15 most recently detected of 16 MOAS prefixes. Many multi-origin prefixes on large networks are benign (anycast); see all MOAS anomalies.

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
185.100.0.0/24 256
0.4%
VeriSign Global Registry Services US — —
192.42.174.0/24 256
0.4%
VeriSign Global Registry Services US — —
192.42.178.0/24 256
0.4%
VeriSign Global Registry Services US — —

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS396566 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
185.100.0.0/24 6,549 2026-11-09 19:02:49
192.42.178.0/24 5,859 2026-11-09 19:03:15
192.42.174.0/24 5,838 2026-11-09 19:03:18
192.55.83.0/24 5,012 2026-11-09 19:36:02
192.153.247.0/24 4,952 2026-11-09 19:19:46
192.52.178.0/24 4,935 2026-11-09 19:36:02
192.48.79.0/24 4,896 2026-11-09 19:36:02
192.41.162.0/24 4,887 2026-11-09 19:36:02
192.68.130.0/24 4,560 2026-11-09 19:19:46
192.30.45.0/24 4,535 2026-11-09 18:52:59
198.41.0.0/24 4,128 2026-11-09 19:19:46
209.112.127.0/24 3,619 2026-11-09 18:52:59
192.42.176.0/24 3,484 2026-11-09 18:52:59
192.82.134.0/24 3,460 2026-11-09 18:52:59
199.7.71.0/24 3,442 2026-11-09 18:52:59
192.58.128.0/24 1,091 2026-11-09 18:53:10

Frequently Asked Questions

What is AS396566?

AS396566 is an Autonomous System Number assigned to VeriSign Global Registry Services. 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 AS396566 announce?

AS396566 announces 768 IPv4 addresses distributed across 3 routed CIDR prefixes. The network is registered in United States.

Who operates AS396566?

AS396566 is operated by VeriSign Global Registry Services. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS396566 registered in?

AS396566 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-11-09 20:54:05 UTC
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