Data as of Nov 10, 2026
6.131.164.0/24
No anonymizer space · no proxy exits in 30 daysHeadquarters, USAISC
Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
0 / 100 · Low
Recent change
New origin Nov 10, 2026
its first announcement on record
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 6.131.0.0/16 since Sep 2021 | 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 |
|---|---|---|---|---|---|---|
| 6.0.0.0/8 | 16,777,216 | CONUS-YPG-NET | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Feb 1, 1994 | disa. |
| └ 6.0.0.0/8 | 16,777,216 | CONUS-YPG-NET | Headquarters, USAISC (HEADQU-3) · US | Reallocated | Aug 25, 2025 | — |
Network & 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
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 10, 2026
- Current origin since
- Nov 10, 2026 · under a month
- Origin networks
- 1
Whois
Registration for this announcement
6.131.164.0/24 spans several registrations: 2 records are listed under Registrations.
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 1, 1994
- Status
- assigned