Data as of Nov 10, 2026
131.71.2.0/24
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 Jul 2026
from AS5852 United States Department of Defense (DoD)
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | RPKI |
|---|---|---|---|
| 131.64.0.0/13 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 |
|---|---|---|---|---|---|---|
| 131.71.0.0/16 | 65,536 | DNIC-RNET-131-071 | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Feb 14, 1997 | disa. |
| └ 131.71.0.0/16 | 65,536 | DNIC-RNET-131-071 | DoD Network Information Center (DNIC) · US | Reallocated | Aug 28, 2025 | disa. |
| └ 131.71.0.0/16 | 65,536 | CCSNET-DISA-PAAS-AMAZON | unknown | Reassigned | Aug 28, 2025 | disa. via DNIC-RNET-131-071 |
A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.
Network & registry
Registry
Holder
- Organization
- United States Department of Defense (DoD)
- Handle
- USDDD
- Range
- 131.
71. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Feb 14, 1997
- Legacy
- yes
- Reallocated to
- DoD Network Information Center (DNIC)
- Reallocated
- Aug 28, 2025
Origin network
AS5852
US
- Name
- United States Department of Defense (DoD)
- Type
- Business
- Registered
- Oct 24, 1995
- 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
- Feb 2026
- Current origin since
- Jul 2026 · 4 mo
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 131.
71. 0. 0/ 16 - Netname
- CCSNET-DISA-PAAS-AMAZON
- Organization
- Not stated by the registry
- Type
- Reassigned
- Handle
- NET-131-71-0-0-3
- Parent
- NET-131-71-0-0-2
- Created
- Aug 28, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Feb 14, 1997
- Status
- assigned
Report abuse
Abuse contact
- disa.
columbus. ns. mbx. hostmaster-dod-nic@ mail. mil - Name
- Network DoD
- Phone
- +1-844-347-2457
- Handle
- MIL-HSTMST-ARIN