Data as of Nov 10, 2026
131.78.133.0/24
No anonymizer space · no proxy exits in 30 daysUnited States Department of Defense (DoD)
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 | RPKI |
|---|---|---|---|
| 131.76.0.0/14 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 |
|---|---|---|---|---|---|---|
| 131.78.0.0/16 | 65,536 | DSDC | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Mar 24, 1989 | disa. |
| └ 131.78.0.0/16 | 65,536 | DSDC | DoD Network Information Center (DNIC) · US | Reallocated | Aug 28, 2025 | disa. |
Network & registry
Origin network
AS27046
US
- Name
- United States Department of Defense (DoD)
- Type
- Business
- Registered
- Jan 16, 2003
- 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
- Stable
- First seen
- Nov 10, 2026
- Current origin since
- Nov 10, 2026 · under a month
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS27046 | RADB | Proxy-Registered Route Object by DACOM(AS3786) | MAINT-AS3786 | Nov 13, 2023 |
Whois
Registration for this announcement
131.78.133.0/24 spans several registrations: 2 records are listed under Registrations.
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 24, 1989
- Status
- assigned