AS47
University of Southern California
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.
- 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.
Network profile
Source: PeeringDB →Top CIDR ranges
| CIDR | IPs | PTR Density | Organization | Country | State | City |
|---|---|---|---|---|---|---|
| 68.181.0.0/16 | 65.5K |
31.4%
|
University of Southern California | US | California | Los Angeles |
| 207.151.52.0/22 | 1.0K |
0.0%
|
University of Southern California | US | California | Los Angeles |
| 206.117.90.0/24 | 256 |
0.0%
|
University of Southern California | US | — | — |
| 207.151.92.0/24 | 256 |
0.0%
|
University of Southern California | US | — | — |
BGP Announced Prefixes
Live BGP anomalies →Prefixes AS47 actually originates in BGP, observed across our RIPE RIS collectors. This live routing view can differ from the registry allocation above.
| Prefix | Announcement samples | Last seen |
|---|---|---|
| 68.181.132.0/23 | 8,593 | 2026-07-25 15:59:07 |
| 68.181.124.0/22 | 8,458 | 2026-07-25 15:59:07 |
| 68.181.63.0/24 | 7,926 | 2026-07-25 15:59:07 |
| 68.181.61.0/24 | 7,867 | 2026-07-25 15:59:07 |
| 68.181.20.0/24 | 7,837 | 2026-07-25 15:59:07 |
| 68.181.78.0/23 | 7,829 | 2026-07-25 15:59:07 |
| 68.181.21.0/24 | 7,823 | 2026-07-25 15:59:07 |
| 68.181.46.0/23 | 7,780 | 2026-07-25 15:59:07 |
| 68.181.22.0/24 | 7,774 | 2026-07-25 15:59:07 |
| 68.181.23.0/24 | 7,759 | 2026-07-25 15:59:07 |
| 68.181.74.0/24 | 7,733 | 2026-07-25 15:59:07 |
| 207.151.52.0/23 | 7,698 | 2026-07-25 15:59:09 |
| 207.151.54.0/23 | 7,379 | 2026-07-25 15:59:07 |
| 68.181.82.0/24 | 7,375 | 2026-07-25 15:59:07 |
| 206.117.90.0/24 | 6,580 | 2026-07-25 15:58:58 |
| 68.181.0.0/16 | 6,540 | 2026-07-25 15:58:58 |
| 207.151.92.0/24 | 6,058 | 2026-07-25 15:59:08 |
| 192.5.10.0/24 | 45 | 2026-05-29 15:57:22 |
Frequently Asked Questions
What is AS47?
AS47 is an Autonomous System Number assigned to University of Southern California. 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 AS47 announce?
AS47 announces 67.1K IPv4 addresses distributed across 4 routed CIDR prefixes. The network is registered in United States.
Who operates AS47?
AS47 is operated by University of Southern California. The organization is based in United States. You can view all IP ranges and related ASNs on the organization page.
What country is AS47 registered in?
AS47 is registered in United States. This indicates where the network operator is headquartered, though the IP addresses it announces may serve users globally.
