Data as of Nov 7, 2026
64.43.235.0/24
No anonymizer space · no proxy exits in 30 daysUSG Corporation, Inc. · space held by T-Systems North America, Inc.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 64.43.232.0/22 since Mar 2022 | AS33633 | Business | 1 | T-Systems North America, Inc. | |
| 64.43.224.0/19 since Jan 2018 | AS18704 | Hosting | 2 | T-Systems North America, Inc. |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 64.43.224.0/19 | 8,192 | TSYSTEMS-NA-DGIL | T-Systems North America, Inc. (TNA-26) · US | Direct Allocation | Feb 14, 2000 | OLedezma@ |
| └ 64.43.232.0/22 | 1,024 | USGCOR-4CLASSC-CHIIL-64-43-232-0-22 | USG Corporation, Inc. (USGCOR) · US | Reassigned | Nov 3, 2004 | BJensen@ |
Network & registry
Announced by
Covering announcement 64.43.234.0/23
- Prefix
- 64.43.234.0/23
- Announced by
- AS33633 USG Corporation, Inc.
- Type
- Business
- RPKI
- No RPKI
- Netname
- USGCOR-4CLASSC-CHIIL-64-43-232-0-22
- Registrant
- USG Corporation, Inc.
- RIR
- ARIN
Registry
Holder
- Organization
- T-Systems North America, Inc.
- Handle
- TNA-26
- Range
- 64.
43. 224. 0/ 19 - Registration type
- Direct Allocation
- Record created
- Feb 14, 2000
Origin network
AS33633
US
- Name
- USG Corporation, Inc.
- Type
- Business
- Registered
- Feb 9, 2005
- Domain
- usg.com
- Industry
- Manufacturing
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
64.43.234.0/23
Routing history
- Pattern
- Stable
- First seen
- Jun 2005
- Current origin since
- Jun 2005 · 21 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 64.
43. 232. 0/ 22 - Netname
- USGCOR-4CLASSC-CHIIL-64-43-232-0-22
- Registrant
- USG Corporation, Inc.
- Organization
- USG Corporation, Inc. (USGCOR)
- Org address
- 125 South Franklin, Chicago, IL, 60606
- Org country
- US
- Type
- Reassigned
- Handle
- NET-64-43-232-0-1
- Parent
- NET-64-43-224-0-1
- Created
- Nov 3, 2004
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 14, 2000
- Status
- assigned
Report abuse
Abuse contact
- BJensen@
usg. com - Name
- Britt Jensen
- Phone
- +1-312-606-5554;ext5554
- Handle
- BJE5-ARIN