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Autonomous System

AS33376

Castle Harlan

Announced IPs
256
CIDR prefixes
1
ASN
AS33376

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
38.98.95.0/24 256
0.4%
Castle Harlan US New York New York

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS33376 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
38.98.95.0/24 10,171 2026-08-01 15:27:45

Frequently Asked Questions

What is AS33376?

AS33376 is an Autonomous System Number assigned to Castle Harlan. 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 AS33376 announce?

AS33376 announces 256 IPv4 addresses distributed across 1 routed CIDR prefixes. The network is registered in United States.

Who operates AS33376?

AS33376 is operated by Castle Harlan. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS33376 registered in?

AS33376 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: 2026-08-01 15:55:32 UTC
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