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Autonomous System

AS23366

LSU Health Sciences Center

Announced IPs
14,336
CIDR prefixes
21
ASN
AS23366

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 v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →

Top CIDR ranges

BGP Announced Prefixes

Live BGP anomalies →

Prefixes AS23366 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
155.58.188.0/23 18,430 2026-10-19 02:18:04
155.58.204.0/24 18,404 2026-10-19 02:18:04
155.58.34.0/23 18,377 2026-10-19 02:18:04
155.58.11.0/24 18,366 2026-10-19 02:18:04
155.58.194.0/23 18,354 2026-10-19 02:18:04
155.58.3.0/24 18,351 2026-10-19 02:17:58
155.58.252.0/24 16,208 2026-10-19 02:18:04
155.58.144.0/21 15,980 2026-10-19 02:18:04
155.58.12.0/23 15,641 2026-10-19 02:18:04
155.58.176.0/21 15,633 2026-10-19 02:18:04
155.58.16.0/21 15,631 2026-10-19 02:18:04
155.58.207.0/24 15,618 2026-10-19 02:18:04
155.58.14.0/23 15,607 2026-10-19 02:18:04
155.58.254.0/23 15,602 2026-10-19 02:18:04
155.58.251.0/24 15,600 2026-10-19 02:18:04
155.58.184.0/22 15,571 2026-10-19 02:18:04
155.58.146.0/24 15,544 2026-10-19 02:18:04
155.58.214.0/24 11,299 2026-10-19 02:18:01
155.58.2.0/24 11,296 2026-10-19 02:18:05
155.58.13.0/24 11,289 2026-10-19 02:18:01
155.58.213.0/24 11,288 2026-10-19 02:18:01
155.58.36.0/23 11,258 2026-10-19 02:18:01
155.58.211.0/24 11,257 2026-10-19 02:18:01
155.58.212.0/24 11,255 2026-10-19 02:18:01
155.58.210.0/24 11,247 2026-10-19 02:18:01
155.58.38.0/24 11,224 2026-10-19 02:18:01
155.58.6.0/24 11,217 2026-10-19 02:18:01

Frequently Asked Questions

What is AS23366?

AS23366 is an Autonomous System Number assigned to LSU Health Sciences Center. 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 AS23366 announce?

AS23366 announces 14.3K IPv4 addresses distributed across 21 routed CIDR prefixes. The network is registered in United States.

Who operates AS23366?

AS23366 is operated by LSU Health Sciences Center. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS23366 registered in?

AS23366 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: 2026-10-19 03:54:05 UTC
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