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Autonomous System

AS27609

USC-University Hospital

Announced IPs
21,760
CIDR prefixes
21
ASN
AS27609

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.

71/100
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 AS27609 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.

PrefixAnnouncement samplesLast seen
63.247.11.0/24 5,874 2026-07-29 20:28:36
63.247.10.0/24 5,872 2026-07-29 20:28:36
63.247.9.0/24 5,867 2026-07-29 20:28:36
63.247.5.0/24 5,764 2026-07-29 20:28:36
63.247.6.0/24 5,742 2026-07-29 20:28:36
63.247.13.0/24 5,733 2026-07-29 20:28:36
207.151.40.0/22 5,719 2026-07-29 20:28:36
63.247.7.0/24 5,707 2026-07-29 20:28:36
207.151.44.0/22 5,697 2026-07-29 20:28:36
63.247.1.0/24 5,675 2026-07-29 20:28:36
206.117.132.0/22 5,654 2026-07-29 20:28:36
63.247.4.0/24 5,650 2026-07-29 20:28:36
63.247.2.0/24 5,604 2026-07-29 20:28:36
63.247.0.0/24 5,593 2026-07-29 20:28:36
63.247.27.0/24 5,586 2026-07-29 20:28:36
63.247.26.0/24 5,582 2026-07-29 20:28:36
63.247.24.0/24 5,581 2026-07-29 20:28:36
63.247.14.0/24 5,576 2026-07-29 20:28:36
207.151.39.0/24 5,567 2026-07-29 20:28:36
63.247.25.0/24 5,562 2026-07-29 20:28:36
63.247.16.0/24 5,550 2026-07-29 20:28:36
63.247.17.0/24 5,547 2026-07-29 20:28:36
63.247.21.0/24 5,541 2026-07-29 20:28:36
63.247.18.0/24 5,541 2026-07-29 20:28:36
63.247.23.0/24 5,539 2026-07-29 20:28:36
63.247.28.0/24 5,530 2026-07-29 20:28:36
63.247.20.0/24 5,530 2026-07-29 20:28:36
63.247.22.0/24 5,523 2026-07-29 20:28:36
63.247.15.0/24 5,520 2026-07-29 20:28:36
63.247.19.0/24 5,498 2026-07-29 20:28:36
207.151.28.0/23 5,497 2026-07-29 20:28:36
207.151.50.0/24 5,493 2026-07-29 20:28:36
207.151.0.0/20 5,492 2026-07-29 20:28:36
207.151.24.0/22 5,482 2026-07-29 20:28:36
207.151.48.0/24 5,461 2026-07-29 20:28:36
206.117.144.0/22 5,450 2026-07-29 20:28:36
207.151.18.0/24 5,440 2026-07-29 20:28:36
206.117.136.0/22 5,440 2026-07-29 20:28:36
63.247.8.0/24 4,653 2026-07-29 20:28:36
63.247.3.0/24 4,588 2026-07-29 20:28:36
63.247.29.0/24 4,534 2026-07-29 20:28:36
207.151.20.0/22 4,449 2026-07-29 20:28:36
207.151.83.0/24 4,433 2026-07-29 20:28:36
207.151.84.0/22 4,416 2026-07-29 20:28:36
207.151.19.0/24 4,403 2026-07-29 20:28:36

Frequently Asked Questions

What is AS27609?

AS27609 is an Autonomous System Number assigned to USC-University Hospital. 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 AS27609 announce?

AS27609 announces 21.8K IPv4 addresses distributed across 21 routed CIDR prefixes. The network is registered in United States.

Who operates AS27609?

AS27609 is operated by USC-University Hospital. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.

What country is AS27609 registered in?

AS27609 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: 2026-07-29 21:10:36 UTC
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