Data as of Nov 4, 2026
146.14.0.0/15
No anonymizer spaceHeadquarters, USAISC
Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Recent change
New origin Jul 2026
from AS367 United States Department of Defense (DoD)
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 146.15.185.0/24 since May 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC |
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 |
|---|---|---|---|---|---|---|
| 146.14.0.0/16 | 65,536 | APGNET-3 | unknown | — | — | — |
| └ 146.14.0.0/16 | 65,536 | APGNET-3 | Headquarters, USAISC (HEADQU-3) · US | Allocation | Aug 22, 2025 | disa. |
| 146.15.0.0/16 | 65,536 | APGNET-4 | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Nov 29, 1990 | disa. |
| └ 146.15.0.0/16 | 65,536 | APGNET-4 | Headquarters, USAISC (HEADQU-3) · US | Reallocated | Aug 22, 2025 | disa. |
Network & registry
Registry
Holder
- Organization
- Not stated by the registry
Origin network
AS1540
US
- Name
- Headquarters, USAISC
- Type
- Business
- Registered
- May 12, 2004
- Domain
- mail.mil
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Rotating
- First seen
- Jul 2017
- Current origin since
- Jul 2026 · 4 mo
- Origin networks
- 4
- Last change of origin
- Jul 2026
Recorded history
History
- Handoffs
- 3
Whois
Registration for this announcement
146.14.0.0/15 spans several registrations: 4 records are listed under Registrations.
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 29, 1990
- Status
- assigned