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Autonomous System

AS1842

Department of Interior United States Geological Survey

Announced IPs
1,280
CIDR prefixes
5
ASN
AS1842

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.

73/100
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

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS1842 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
137.227.230.0/24 32,944 2026-07-23 21:59:56
130.118.152.0/24 12,928 2026-07-23 21:10:03
192.55.108.0/24 3,684 2026-07-23 22:00:31
152.61.229.0/24 207 2026-07-23 09:35:45
152.61.132.0/24 77 2026-07-23 09:35:45
198.187.220.36/32 1 2026-05-29 21:15:22

Frequently Asked Questions

What is AS1842?

AS1842 is an Autonomous System Number assigned to Department of Interior United States Geological Survey. 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 AS1842 announce?

AS1842 announces 1.3K IPv4 addresses distributed across 5 routed CIDR prefixes. The network is registered in United States.

Who operates AS1842?

AS1842 is operated by Department of Interior United States Geological Survey. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS1842 registered in?

AS1842 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: 2026-07-23 22:10:32 UTC
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