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Autonomous System

AS394819

NNSA Office Of Secure Transportation

Announced IPs
512
CIDR prefixes
2
ASN
AS394819

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 v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

CIDRIPsPTR DensityOrganizationCountryStateCity
12.34.148.0/24 256
0.0%
NNSA Office Of Secure Transportation US
207.141.100.0/24 256
0.0%
NNSA Office Of Secure Transportation US

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS394819 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
12.34.148.0/24 7,747 2026-08-03 01:29:23
207.141.100.0/24 5,451 2026-08-03 01:29:25

Frequently Asked Questions

What is AS394819?

AS394819 is an Autonomous System Number assigned to NNSA Office Of Secure Transportation. 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 AS394819 announce?

AS394819 announces 512 IPv4 addresses distributed across 2 routed CIDR prefixes. The network is registered in United States.

Who operates AS394819?

AS394819 is operated by NNSA Office Of Secure Transportation. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS394819 registered in?

AS394819 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: 2026-08-03 01:25:31 UTC
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