Data as of Nov 3, 2026
199.9.240.0/21
No anonymizer space · no proxy exits in 30 daysUnited States Department of Defense (DoD)
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 199.9.247.0/24 since Jun 2018 | AS518 | Business | United States Department of Defense (DoD) via DoD Network Information Center |
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 |
|---|---|---|---|---|---|---|
| 199.9.128.0 - 199.9.247.255 | 30,720 | NETBLK-DSI001 | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Mar 4, 1994 | [email protected] |
| └ 199.9.128.0 - 199.9.247.255 | 30,720 | NETBLK-DSI001 | DoD Network Information Center (DNIC) · US | Reallocated | Aug 27, 2025 | [email protected] |
Network & registry
Registry
Holder
- Organization
- United States Department of Defense (DoD)
- Handle
- USDDD
- Range
- 199.9.128.0 - 199.9.247.255
- Registration type
- Direct Allocation
- Record created
- Mar 4, 1994
- Legacy
- yes
- Reallocated to
- DoD Network Information Center (DNIC)
- Reallocated
- Aug 27, 2025
Origin network
AS518
US
- Name
- United States Department of Defense (DoD)
- Type
- Business
- Registered
- Sep 8, 1989
- Domain
- mail.mil
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2015
- Current origin since
- Nov 2015 · 11 yr
- Origin networks
- 1
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS518 | RADB | DREN IPv4 | MAINT-AS668 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 199.9.128.0 - 199.9.247.255
- Netname
- NETBLK-DSI001
- Registrant
- DoD Network Information Center
- Organization
- DoD Network Information Center (DNIC)
- Org address
- 3990 E. Broad Street, Columbus, OH, 43218
- Org country
- US
- Type
- Reallocated
- Handle
- NET-199-9-128-0-2
- Parent
- NET-199-9-128-0-1
- Created
- Aug 27, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Mar 4, 1994
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Network DoD
- Phone
- +1-844-347-2457
- Handle
- MIL-HSTMST-ARIN