UNIVERSITY OF SOUTHERN CALIFORNIA
University of Southern California
Data as of 2026-09-06
GLEIF verified
LEI
0GMCSQ6M60R4T46U5511
Registered name
UNIVERSITY OF SOUTHERN CALIFORNIA
Jurisdiction
Ultimate parent
No parent on file in GLEIF
This organisation
| Netblocks | 95 · 175,616 IPv4 addresses |
| IPv6 | 8 prefixes (largest 2605:3c00::/32) |
| Registered in | United States (85) · Argentina (3) |
| Also registered under this name | 104 netblocks across 2 separate records |
| Record ID | 236376038 |
| Registry | BGP |
| Owner jurisdiction | US-CA |
| Customers | see who runs inside this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 0GMCSQ6M60R4T46U5511 |
| Shared handles | clustered on 17 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (95)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 45.228.73.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 45.228.74.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 45.228.75.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 50.59.168.0/22 | University of Southern California | ARIN | ASSIGNMENT | ● high |
| 68.181.0.0/16 | University of Southern California | BGP | ANNOUNCED | ● high |
| 68.181.20.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 68.181.21.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 68.181.22.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 68.181.23.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 68.181.46.0/23 | University of Southern California | BGP | ANNOUNCED | ● high |
| 68.181.61.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 68.181.63.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 68.181.74.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 68.181.78.0/23 | University of Southern California | BGP | ANNOUNCED | ● high |
| 68.181.82.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 68.181.124.0/22 | University of Southern California | BGP | ANNOUNCED | ● high |
| 68.181.132.0/23 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.0.0/20 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.0.0/16 | University of Southern California | ARIN | DIRECT ALLOCATION | ● high |
| 128.9.16.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.17.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.18.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.19.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.26.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.28.0/23 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.30.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.31.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.32.0/20 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.34.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.35.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.36.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.37.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.38.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.40.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.43.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.44.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.46.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.47.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.48.0/20 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.64.0/20 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.80.0/20 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.96.0/20 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.112.0/20 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.113.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.117.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.122.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.123.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.127.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.128.0/20 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.144.0/20 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.160.0/20 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.176.0/20 | University of Southern California | BGP | ANNOUNCED | ● high |
| 128.9.192.0/18 | University of Southern California | BGP | ANNOUNCED | ● high |
| 192.5.10.0/24 | University of Southern California | ARIN | DIRECT ALLOCATION | ● high |
| 198.32.16.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 198.147.120.0/21 | University of Southern California | ARIN | ASSIGNMENT | ● high |
| 204.57.0.0/21 | University of Southern California | ARIN | DIRECT ALLOCATION | ● high |
| 204.140.128.0/19 | University of Southern California | ARIN | ALLOCATION | ● high |
| 204.140.192.0/21 | University of Southern California | ARIN | ASSIGNMENT | ● high |
| 204.140.216.0/24 | University of Southern California | ARIN | ALLOCATION | ● high |
| 206.117.6.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 206.117.27.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 206.117.31.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 206.117.37.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 206.117.85.0/24 | University of Southern California | ARIN | ALLOCATION | ● high |
| 206.117.86.0/24 | University of Southern California | ARIN | ALLOCATION | ● high |
| 206.117.87.0/24 | University of Southern California | ARIN | ALLOCATION | ● high |
| 206.117.88.0/21 | University of Southern California | ARIN | ASSIGNMENT | ● high |
| 206.117.90.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 206.117.99.0/24 | University of Southern California | ARIN | ASSIGNMENT | ● high |
| 206.117.100.0/24 | University of Southern California | ARIN | ASSIGNMENT | ● high |
| 206.117.101.0/24 | University of Southern California | ARIN | ASSIGNMENT | ● high |
| 206.117.102.0/24 | University of Southern California | ARIN | ASSIGNMENT | ● high |
| 206.117.103.0/24 | University of Southern California | ARIN | ASSIGNMENT | ● high |
| 207.151.32.0/22 | University of Southern California | ARIN | ALLOCATION | ● high |
| 207.151.52.0/23 | University of Southern California | BGP | ANNOUNCED | ● high |
| 207.151.52.0/22 | University of Southern California | ARIN | ALLOCATION | ● high |
| 207.151.54.0/23 | University of Southern California | BGP | ANNOUNCED | ● high |
| 207.151.56.0/21 | University of Southern California | ARIN | ASSIGNMENT | ● high |
| 207.151.64.0/22 | University of Southern California | ARIN | ALLOCATION | ● high |
| 207.151.72.0/21 | University of Southern California | ARIN | ALLOCATION | ● high |
| 207.151.88.0/21 | University of Southern California | ARIN | ALLOCATION | ● high |
| 207.151.92.0/24 | University of Southern California | BGP | ANNOUNCED | ● high |
| 207.151.120.0/21 | University of Southern California | ARIN | ALLOCATION | ● high |
| 207.151.128.0/21 | University of Southern California | ARIN | ALLOCATION | ● high |
| 207.151.140.0/22 | University of Southern California | ARIN | ALLOCATION | ● high |
| 207.151.224.0/19 | University of Southern California | ARIN | ALLOCATION | ● high |
| 2001:500:202::/48 | University of Southern California | BGP | ANNOUNCED | ● high |
| 2001:1878:401::/48 | University of Southern California | BGP | ANNOUNCED | ● high |
| 2001:1878:402::/48 | University of Southern California | BGP | ANNOUNCED | ● high |
| 2001:1878:403::/48 | University of Southern California | BGP | ANNOUNCED | ● high |
| 2001:1878:404::/48 | University of Southern California | BGP | ANNOUNCED | ● high |
| 2605:3c00::/32 | University of Southern California | ARIN | DIRECT ALLOCATION | ● high |
| 2606:d5c0::/48 | University of Southern California | BGP | ANNOUNCED | ● high |
| 2606:d5c0::/32 | University of Southern California | BGP | ANNOUNCED | ● high |
IPv6 ranges (8)
Footprint over time
11 weekly snapshots · JSON
96
+20 netblocks since 2026-07-05
2026-07-05
peak 96
2026-09-06
Domains hosted in this network
what's this?Network trust
what's this?
RPKI hygiene: F
how networks compare →
4.2%
of checked blocks have valid RPKI ROA coverage
(4 of 96)
Possible discrepancies (3)
These blocks are registered to University of Southern California but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 45.228.73.0/24 /24 | authorized for AS266674 — AS266674 |
| 45.228.74.0/24 /24 | authorized for AS266674 — AS266674 |
| 45.228.75.0/24 /24 | authorized for AS266674 — AS266674 |
NIC Handles
ACT-ORG-ARIN
ACT-ORG-ARIN
ACT-ORG-ARIN
AS2
AS266674
AS4
AS47
GOVIN20-ARIN
HIGGI319-ARIN
MANDA16-ARIN
SCHEI62-ARIN
UNA2-ARIN
+5 more