Data as of Nov 3, 2026
199.10.46.0/23
No anonymizer space · no proxy exits in 30 daysHeadquarters, USAISC
Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Recent change
New origin Oct 22, 2026
its first announcement on record
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 199.10.46.0/24 since Oct 23, 2026 | AS1540 | Business | United States Department of Defense (DoD) via Headquarters, USAISC | |
| 199.10.47.0/24 since Jul 2022 | AS749 | 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 |
|---|---|---|---|---|---|---|
| 199.10.46.0/24 | 256 | ANSOC-RNET017 | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Dec 2, 1993 | [email protected] |
| └ 199.10.46.0/24 | 256 | ANSOC-RNET017 | Headquarters, USAISC (HEADQU-3) · US | Reallocated | Aug 25, 2025 | — |
| 199.10.47.0/24 | 256 | ANSOC-RNET061 | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Dec 2, 1993 | [email protected] |
| └ 199.10.47.0/24 | 256 | ANSOC-RNET061 | Headquarters, USAISC (HEADQU-3) · US | Reallocated | Aug 25, 2025 | — |
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
- Stable
- First seen
- Oct 22, 2026
- Current origin since
- Oct 22, 2026 · under a month
- Origin networks
- 1
Whois
Registration for this announcement
199.10.46.0/23 spans several registrations: 4 records are listed under Registrations.
- RIR
- ARIN
- Country
- US
- Delegated
- Dec 2, 1993
- Status
- assigned