Data as of Nov 9, 2026
204.238.129.0/24
No anonymizer space · no proxy exits in 30 daysUnited States Department of Defense (DoD)
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 |
|---|---|---|---|---|---|---|
| 204.238.129.0/24 | 256 | NAVSSES-204 | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | May 11, 1995 | disa. |
| └ 204.238.129.0/24 | 256 | NAVSSES-204 | Navy Network Information Center (NNIC) (NNICN-1) · US | Reallocated | Aug 15, 2025 | — |
Network & registry
Registry
Holder
- Organization
- United States Department of Defense (DoD)
- Handle
- USDDD
- Range
- 204.
238. 129. 0/ 24 - Registration type
- Direct Allocation
- Record created
- May 11, 1995
- Legacy
- yes
- Reallocated to
- Navy Network Information Center (NNIC) (NNICN-1)
- Reallocated
- Aug 15, 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 this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Jun 2018 · 8.4 yr
- Origin networks
- 3
- Last change of origin
- Jun 2018
Recorded history
History
- Handoffs
- 4
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS668 | RADB | DREN IPv4 | MAINT-AS668 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 204.
238. 129. 0/ 24 - Netname
- NAVSSES-204
- 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-204-238-129-0-2
- Parent
- NET-204-238-129-0-1
- Created
- Aug 15, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- May 11, 1995
- 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