USG CORPORATION
USG Corporation, Inc.
Data as of 2026-07-26
GLEIF verified
LEI
FP4Y9QGZ4D2KY6M7GL79
Registered name
USG CORPORATION
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 11 · 1,576 IPv4 addresses |
| IPv6 | 2 prefixes (largest 2a00:2381:69d::/48) |
| Registered in | United States (5) · Germany (2) · Belgium (1) · Ukraine (1) |
| All fragments | 22 blocks across 7 clusters |
| Cluster ID | 214432479 |
| Registry | BGP |
| Owner jurisdiction | US-DE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI FP4Y9QGZ4D2KY6M7GL79 |
| Shared handles | clustered on 7 shared RIR contact/maintainer handles |
| Registry names | 4 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
6 weekly snapshots · JSON
11
-3 netblocks since 2026-07-05
2026-07-05
peak 14
2026-07-26
IP Ranges (11)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 8.26.176.0/24 | USG Corporation, Inc. | BGP | ANNOUNCED | ● high |
| 64.43.232.0/22 | USG Corporation, Inc. | BGP | ANNOUNCED | ● high |
| 64.43.232.0/23 | USG Corporation, Inc. | BGP | ANNOUNCED | ● high |
| 64.43.234.0/23 | USG Corporation, Inc. | BGP | ANNOUNCED | ● high |
| 66.225.192.0/24 | USG Corporation, Inc. | BGP | ANNOUNCED | ● high |
| 212.123.11.176/28 | USG | RIPE | ASSIGNED PA | ● low |
| 212.211.210.128/29 | USG_NET | RIPE | ASSIGNED PA | ● low |
| 212.211.211.144/29 | USG_NET | RIPE | ASSIGNED PA | ● low |
| 213.160.131.144/29 | usg-net | RIPE | ASSIGNED PA | ● low |
| 2a00:2381:69d::/48 | USG | RIPE | AGGREGATED-BY-LIR | ● low |
| 2a00:2381:f7d::/48 | USG | RIPE | AGGREGATED-BY-LIR | ● low |
IPv6 ranges (2)
Network trust
what's this?
RPKI hygiene: C
how networks compare →
54.5%
of checked blocks have valid RPKI ROA coverage
(6 of 11)
Possible discrepancies (2)
These blocks are registered to USG Corporation, Inc. 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.
| 2a00:2381:69d::/48 /48 | authorized for AS2856 — British Telecommunications Limited |
| 2a00:2381:f7d::/48 /48 | authorized for AS2856 — British Telecommunications Limited |
NIC Handles
AS33633
BTNET-MNT
DUMY-RIPE
DUMY-RIPE
LDC-UA-MNT
SCAN-PLUS-MNT
TELENET-OPS-MNT