Data as of Nov 4, 2026
199.31.128.0/17
No anonymizer space · no proxy exits in 30 daysUnited States Department of Defense (DoD)
Announcements
Nesting
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Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 199.31.130.0/24 since May 2026 | AS27066 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 199.31.131.0/24 since May 2026 | AS27066 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 199.31.134.0/24 since Aug 2026 | AS27064 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 199.31.135.0/24 since Aug 2026 | AS27064 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 199.31.136.0/23 since May 2026 | AS27065 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 199.31.140.0/24 since Jul 2026 | AS27064 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 199.31.141.0/24 since Jul 2026 | AS27064 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 199.31.142.0/24 since Jul 2026 | AS27064 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 199.31.143.0/24 since Jul 2026 | AS27064 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 199.31.144.0/24 since Jul 2026 | AS27064 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 199.31.145.0/24 since Jul 2026 | AS27064 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 199.31.159.0/24 since May 2026 | AS27065 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 199.31.192.0/20 since Oct 2024 | AS6042 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 199.31.208.0/20 since Oct 2024 | AS6042 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 199.31.224.0/21 since Oct 2024 | AS6042 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 199.31.232.0/21 since Oct 2024 | AS6042 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 199.31.240.0/23 since Oct 2024 | AS6042 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 199.31.242.0/23 since Oct 2024 | AS6042 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 199.31.244.0/24 since Oct 2024 | AS6042 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 199.31.245.0/24 since Oct 2024 | AS6042 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 199.31.246.0/24 since Oct 2024 | AS6042 | 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 |
|---|---|---|---|---|---|---|
| 199.31.0.0/16 | 65,536 | DNIC-NET-199-031 | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Nov 29, 1994 | disa. |
| └ 199.31.0.0/16 | 65,536 | DNIC-NET-199-031 | DoD Network Information Center (DNIC) · US | Reallocated | Sep 5, 2025 | disa. |
Network & registry
Registry
Holder
- Organization
- United States Department of Defense (DoD)
- Handle
- USDDD
- Range
- 199.
31. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Nov 29, 1994
- Legacy
- yes
- Reallocated to
- DoD Network Information Center (DNIC)
- Reallocated
- Sep 5, 2025
Origin network
AS749
US
- Name
- United States Department of Defense (DoD)
- Type
- Business
- Domain
- mail.mil
- Industry
- Military, Defense, National Security, and International Affairs
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Sep 2021
- Current origin since
- Sep 2021 · 5.1 yr
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 199.
31. 0. 0/ 16 - Netname
- DNIC-NET-199-031
- 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-199-31-0-0-2
- Parent
- NET-199-31-0-0-1
- Created
- Sep 5, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Nov 29, 1994
- 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