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Organization

University of Southern California

IPv4 addresses
132,608
CIDR ranges
18
Category
academic
BGP prefixes announced
83

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
  • Baseline (neutral) 65
  • Academic allocation +6
  • Trust score 71 / 100

Experimental · trust-vectors model v1.2.0 — a transparent heuristic, not a definitive verdict. How it works →

About University of Southern California

The University of Southern California is a private research university in Los Angeles, California, United States. Founded in 1880 by Robert M.

Founded
1880
Headquarters
Los Angeles
Industry
higher education
Employees
4,735

Countries served by University of Southern California

Every country where this organization has IPv4 allocations, ranked by IPs held.

ASNs owned by University of Southern California

ASNNameIPsPrefixesCountry
AS47 University of Southern California 67.1K 4 US
AS4 University of Southern California 65.3K 13 US

Largest CIDR ranges

CIDRIPsPTR DensityASNCountryStateCity
68.181.0.0/16 65.5K
31.4%
AS47 US California Los Angeles
128.9.128.0/17 32.8K
7.2%
AS4 US
128.9.64.0/18 16.4K
3.9%
AS4 US
128.9.32.0/19 8.2K
3.4%
AS4 US Virginia Vienna
128.9.0.0/20 4.1K
0.0%
AS4 US
128.9.16.0/22 1.0K
12.1%
AS4 US California Los Angeles
128.9.28.0/22 1.0K
13.5%
AS4 US
207.151.52.0/22 1.0K
0.0%
AS47 US California Los Angeles
45.228.74.0/24 256
0.0%
AS4 AR
128.9.26.0/24 256
0.0%
AS4 US
196.13.137.0/24 256
0.0%
AS7 KE
198.32.16.0/24 256
0.0%
AS4 US
206.117.6.0/24 256
62.9%
AS4 US
206.117.27.0/24 256
30.9%
AS4 US
206.117.31.0/24 256
45.7%
AS4 US
206.117.37.0/24 256
2.0%
AS4 US
206.117.90.0/24 256
0.0%
AS47 US
207.151.92.0/24 256
0.0%
AS47 US

Frequently Asked Questions

How many IP addresses does University of Southern California own?

University of Southern California controls 132.6K IPv4 addresses distributed across 18 CIDR ranges. The organization is registered in United States.

What ASNs does University of Southern California operate?

University of Southern California operates 2 Autonomous Systems. Each ASN represents an independently routed network that University of Southern California manages for internet traffic delivery.

What countries does University of Southern California serve?

University of Southern California has IP address allocations in 2 countries, indicating a multinational network presence for delivering services across these regions.

What type of organization is University of Southern California?

University of Southern California is categorized as academic. This classification is based on the organization's primary use of its IP address allocations.

Last updated: 2026-07-31 02:25:30 UTC
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