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Autonomous System

AS204761

Prysmian S.p.A.

Announced IPs
512
CIDR prefixes
2
ASN
AS204761

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 v1.1.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
185.31.57.0/24 256
33.6%
Verizon Business IT
185.31.58.0/24 256
0.0%
SG
194.53.60.0/24 256
0.0%
Verizon Nederland B.V. IT
194.53.60.128/25 128
0.0%
FR
194.53.60.64/26 64
0.0%
IT
194.53.60.32/27 32
0.0%
IT
194.53.60.16/28 16
0.0%
DE
194.53.60.8/29 8
0.0%
IT
194.53.60.0/30 4
0.0%
DE
194.53.60.4/30 4
0.0%
FR

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS204761 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
185.31.57.0/24 13,056 2026-07-19 07:45:25
194.53.60.0/24 10,882 2026-07-19 07:45:16
185.31.58.0/23 4,421 2026-07-11 08:27:13
185.31.56.0/23 2,126 2026-07-11 08:27:13
185.31.58.0/24 1,153 2026-07-19 07:45:47

Frequently Asked Questions

What is AS204761?

AS204761 is an Autonomous System Number assigned to Prysmian S.p.A.. 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 AS204761 announce?

AS204761 announces 512 IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in United States.

Who operates AS204761?

AS204761 is operated by Prysmian S.p.A.. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS204761 registered in?

AS204761 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: 2026-07-19 08:25:32 UTC
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