Data as of Nov 3, 2026
147.241.64.0/21
No anonymizer space · no proxy exits in 30 daysUnited States Department of Defense (DoD)
Registrations in this block
The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 147.241.0.0/16 | 65,536 | ATEC | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Jan 22, 1992 | [email protected] |
| └ 147.241.0.0/16 | 65,536 | ATEC | Headquarters, USAISC (HEADQU-3) · US | Reallocated | Aug 22, 2025 | — |
Network & registry
Registry
Holder
- Organization
- United States Department of Defense (DoD)
- Handle
- USDDD
- Range
- 147.241.0.0/16
- Registration type
- Direct Allocation
- Record created
- Jan 22, 1992
- Legacy
- yes
- Reallocated to
- Headquarters, USAISC (HEADQU-3)
- Reallocated
- Aug 22, 2025
Origin network
AS228
US
- Name
- United States Department of Defense (DoD)
- Type
- Business
- Registered
- Sep 8, 1988
- Domain
- mail.mil
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Oct 2016 · 10 yr
- Origin networks
- 2
- Last change of origin
- Apr 2014
Recorded history
History
- Handoffs
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS228 | RADB | DREN IPv4 | MAINT-AS668 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 147.241.0.0/16
- Netname
- ATEC
- Registrant
- Headquarters, USAISC
- Organization
- Headquarters, USAISC (HEADQU-3)
- Org address
- NETC-ANC CONUS TNOSC, Fort Huachuca, AZ, 85613
- Org country
- US
- Type
- Reallocated
- Handle
- NET-147-241-0-0-2
- Parent
- NET-147-241-0-0-1
- Created
- Aug 22, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 22, 1992
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN