Data as of Nov 7, 2026
152.121.106.0/24
No anonymizer space · no proxy exits in 30 daysUnited States Department of Defense (DoD) · space held by U. S. Department of Transportation
Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Sep 2026
from AS367 United States Department of Defense (DoD), after 1.3 years unannounced
Network & registry
Origin network
AS27064
US
- Name
- United States Department of Defense (DoD)
- Type
- Business
- Registered
- Jan 16, 2003
- 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
- Reactivated
- First seen
- Sep 2019
- Current origin since
- Sep 2026 · 2 mo
- Origin networks
- 3
- Last change of origin
- Sep 2026
Recorded history
History
- Handoffs
- 2
Whois
Registration for this announcement
- Range
- 152.
121. 0. 0 - 152. 123. 255. 255 - Netname
- USDT-1
- Registrant
- U. S. Department of Transportation
- Organization
- U. S. Department of Transportation (USDT-1)
- Org address
- 1200 New Jersey Ave. S.E., Washington, DC, 20590
- Org country
- US
- Type
- Direct Allocation
- Handle
- NET-152-121-0-0-1
- Parent
- NET-152-0-0-0-0
- Created
- Aug 15, 1991
- RIR
- ARIN
- Country
- US
- Delegated
- Aug 15, 1991
- Status
- assigned
Report abuse
Abuse contact
- nobody@
example. com - Name
- No, Contact Known
- Phone
- +1-800-555-1234
- Handle
- CKN23-ARIN