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Autonomous System

AS51872

Siltel Telecomunicazioni Srl

Announced IPs
1,024
CIDR prefixes
1
ASN
AS51872

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.

70/100
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
45.93.204.0/22 1.0K
0.0%
Siltel Telecomunicazioni Srl IT

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS51872 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
45.93.205.0/24 13,617 2026-07-28 21:08:49
45.93.204.0/22 12,329 2026-07-28 21:03:34

Frequently Asked Questions

What is AS51872?

AS51872 is an Autonomous System Number assigned to Siltel Telecomunicazioni Srl. 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 AS51872 announce?

AS51872 announces 1.0K IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in Italy.

Who operates AS51872?

AS51872 is operated by Siltel Telecomunicazioni Srl. The organization is based in Italy. You can view all IP ranges and related ASNs on the organization page.

What country is AS51872 registered in?

AS51872 is registered in Italy. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.

Last updated: 2026-07-28 21:10:36 UTC
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