Data as of Nov 10, 2026
131.121.84.0/22
No anonymizer space · no proxy exits in 30 daysUnited States Department of Defense (DoD)
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 131.121.0.0/16 | 65,536 | NADN | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Nov 17, 1988 | disa. |
| └ 131.121.0.0/16 | 65,536 | NADN | Navy Network Information Center (NNIC) (NNICN-1) · US | Reallocated | Aug 14, 2025 | — |
Network & registry
Announced by
Covering announcement 131.121.0.0/16
- Prefix
- 131.121.0.0/16
- Announced by
- AS668 United States Department of Defense (DoD)
- Type
- Business
- RPKI
- No RPKI
- Netname
- NADN
- Registrant
- Navy Network Information Center (NNIC)
- RIR
- ARIN
Registry
Holder
- Organization
- United States Department of Defense (DoD)
- Handle
- USDDD
- Range
- 131.
121. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Nov 17, 1988
- Legacy
- yes
- Reallocated to
- Navy Network Information Center (NNIC) (NNICN-1)
- Reallocated
- Aug 14, 2025
Origin network
AS668
US
- Name
- United States Department of Defense (DoD)
- Type
- Business
- Registered
- Apr 24, 1990
- Domain
- mail.mil
- Website
- www.hpc.mil/solution-areas/networking
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced 131.121.0.0/16
131.121.0.0/16
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Jun 2018 · 8.4 yr
- Origin networks
- 2
- Last change of origin
- Jun 2018
Recorded history
History
- Handoffs
- 2
IRR
Route objects on 131.121.0.0/16
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS668 | RADB | NADN | MAINT-AS668 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 131.
121. 0. 0/ 16 - Netname
- NADN
- Registrant
- Navy Network Information Center (NNIC)
- Organization
- Navy Network Information Center (NNIC) (NNICN-1)
- Org address
- 2465 GUADALCANAL ROAD, VIRGINIA BEACH, VA, 23459
- Org country
- US
- Type
- Reallocated
- Handle
- NET-131-121-0-0-2
- Parent
- NET-131-121-0-0-1
- Created
- Aug 14, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 17, 1988
- Status
- assigned
Report abuse
Abuse contact
- nobody@
example. com - Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN