Data as of Nov 3, 2026
147.131.42.0/23
No anonymizer space · no proxy exits in 30 daysUnited States Department of Defense (DoD)
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | RPKI |
|---|---|---|---|
| 147.130.0.0/15 since Dec 2010 | AS721 | Business |
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 |
|---|---|---|---|---|---|---|
| 147.131.0.0/16 | 65,536 | STEWART-NET2 | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Apr 2, 1991 | [email protected] |
| └ 147.131.0.0/16 | 65,536 | STEWART-NET2 | Headquarters, USAISC (HEADQU-3) · US | Reallocated | Aug 22, 2025 | [email protected] |
Network & registry
Registry
Holder
- Organization
- United States Department of Defense (DoD)
- Handle
- USDDD
- Range
- 147.131.0.0/16
- Registration type
- Direct Allocation
- Record created
- Apr 2, 1991
- Legacy
- yes
- Reallocated to
- Headquarters, USAISC (HEADQU-3)
- Reallocated
- Aug 22, 2025
Origin network
AS367
US
- Name
- United States Department of Defense (DoD)
- Type
- Business
- Registered
- Jun 30, 1989
- Domain
- mail.mil
- Industry
- Military, Defense, National Security, and International Affairs
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Rotating
- First seen
- Nov 2020
- Current origin since
- Oct 2022 · 4.1 yr
- Origin networks
- 2
- Last change of origin
- Oct 2022
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 147.131.0.0/16
- Netname
- STEWART-NET2
- 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-147-131-0-0-2
- Parent
- NET-147-131-0-0-1
- Created
- Aug 22, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 2, 1991
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN