Data as of Nov 9, 2026
66.225.192.0/24
No anonymizer space · no proxy exits in 30 daysUSG Corporation, Inc. · space held by DEFT.COM
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
66.225.192.0/24
From the registry to its use
- Jun 10, 2003Registry recordDEFT.COMDirect Allocation66.225.192.0/18
- May 9, 2005– today
- Jan 15, 2020– today
- Aug 19, 2025Route objectAS33633 USG Corporation, Inc.ARIN route object for AS33633 USG Corporation, Inc., maintainer MNT-SL-2063
- todayLeased fromIPXOIP broker
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Leased from | Holder | RPKI |
|---|---|---|---|---|---|
| 66.225.192.0/18 since May 2005 | AS23352 | Hosting | IP broker IPXO | DEFT.COM |
Network & registry
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
Summary
Routing history
- Pattern
- Stable
- First seen
- Jan 2020
- Current origin since
- Jan 2020 · 6.8 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS33633 | ARIN | Proxy Route For C4217 | MNT-SL-2063 | Mar 23, 2026 |
Whois
Registration for this announcement
- Range
- 66.
225. 192. 0/ 18 - Netname
- SCN-2
- Registrant
- DEFT.COM
- Organization
- DEFT.COM (SL-2063)
- Org address
- 2200 Busse RD, Elk Grove Village, IL, 60007
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-66-225-192-0-1
- Parent
- NET-66-0-0-0-0
- Created
- Jun 10, 2003
- RIR
- ARIN
- Country
- US
- Delegated
- Jun 10, 2003
- Status
- assigned
Report abuse
Abuse contact
- abuse@
deft. com - Name
- Abuse Department
- Phone
- +1-312-829-1111;ext299
- Handle
- ABUSE1669-ARIN