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Autonomous System

AS5666

Speedcast Communications, Inc

Announced IPs
512
CIDR prefixes
2
ASN
AS5666

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

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
192.23.157.0/24 256
87.5%
Speedcast Communications, Inc US
203.86.223.0/24 256
0.0%
Speedcast Communications, Inc AU

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS5666 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
192.23.157.0/24 184,020 2026-07-22 05:49:58
203.86.223.0/24 5,501 2026-07-22 05:14:14
103.250.1.0/24 25 2026-05-29 18:29:17

Frequently Asked Questions

What is AS5666?

AS5666 is an Autonomous System Number assigned to Speedcast Communications, Inc. 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 AS5666 announce?

AS5666 announces 512 IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in United States.

Who operates AS5666?

AS5666 is operated by Speedcast Communications, Inc. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS5666 registered in?

AS5666 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: 2026-07-22 05:55:31 UTC
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