Data as of Nov 6, 2026
137.234.8.0/22
No anonymizer space · no proxy exits in 30 daysUnited States Department of Defense (DoD)
Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Recent change
New origin May 2026
from AS637 United States Department of Defense (DoD)
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 137.234.9.0/24 since Jun 2024 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 137.234.10.0/23 since Jun 2024 | AS749 | 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 |
|---|---|---|---|---|---|---|
| 137.234.0.0/16 | 65,536 | TCTL-N | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Jan 12, 1990 | disa. |
| └ 137.234.0.0/16 | 65,536 | TCTL-N | DoD Network Information Center (DNIC) · US | Reallocated | Aug 28, 2025 | disa. |
Network & registry
Registry
Holder
- Organization
- United States Department of Defense (DoD)
- Handle
- USDDD
- Range
- 137.
234. 0. 0/ 16 - Registration type
- Direct Allocation
- Record created
- Jan 12, 1990
- Legacy
- yes
- Reallocated to
- DoD Network Information Center (DNIC)
- Reallocated
- Aug 28, 2025
Origin network
AS637
US
- Name
- United States Department of Defense (DoD)
- Type
- Business
- Registered
- Apr 19, 1990
- 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
- Jul 2024
- Current origin since
- May 2026 · 6 mo
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 137.
234. 0. 0/ 16 - Netname
- TCTL-N
- 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-137-234-0-0-2
- Parent
- NET-137-234-0-0-1
- Created
- Aug 28, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 12, 1990
- 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