Data as of Nov 14, 2026
199.123.89.0/24
No anonymizer space · no proxy exits in 30 daysUnited States Department of Defense (DoD)
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 199.123.89.0/24 | 256 | TECHNET4 | unknown | — | — | — |
| └ 199.123.89.0/24 | 256 | TECHNET4 | Headquarters, USAISC (HEADQU-3) · US | Allocation | Aug 25, 2025 | disa. |
Network & registry
Announced by
Covering announcement 199.123.88.0/23
- Prefix
- 199.123.88.0/23
- Announced by
- AS668 United States Department of Defense (DoD)
- Type
- Business
- RPKI
- No RPKI
- RIR
- ARIN
Registry
Holder
- Organization
- Not stated by the registry
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 199.123.88.0/23
199.123.88.0/23
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Jun 2018 · 8.4 yr
- Origin networks
- 4
- Last change of origin
- Jun 2018
Recorded history
History
- Handoffs
- 4
IRR
Route objects on 199.123.88.0/23
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS668 | RADB | DREN IPv4 | MAINT-AS668 | Nov 13, 2023 |
Whois
Registration for this announcement
199.123.88.0/23 spans several registrations: 4 records are listed under Registrations.
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 11, 1995
- Status
- assigned