Data as of Nov 3, 2026
209.72.0.0/16
No anonymizer space · no proxy exits in 30 daysUnited States Department of Defense (DoD)
Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Oct 8, 2026
from AS749 United States Department of Defense (DoD)
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 |
|---|---|---|---|---|---|---|
| 209.72.0.0/16 | 65,536 | DNIC-RNET-209-072 | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Apr 28, 1997 | [email protected] |
| └ 209.72.0.0/16 | 65,536 | DNIC-RNET-209-072 | DoD Network Information Center (DNIC) · US | Reallocated | Sep 5, 2025 | [email protected] |
Network & registry
Registry
Holder
- Organization
- United States Department of Defense (DoD)
- Handle
- USDDD
- Range
- 209.72.0.0/16
- Registration type
- Direct Allocation
- Record created
- Apr 28, 1997
- Legacy
- yes
- Reallocated to
- DoD Network Information Center (DNIC)
- Reallocated
- Sep 5, 2025
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
- Rotating
- First seen
- Sep 2021
- Current origin since
- Oct 8, 2026 · under a month
- Origin networks
- 2
- Last change of origin
- Oct 8, 2026
Recorded history
History
- Handoffs
- 1
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 209.72.132.0/24 | AS724 | RADB | Proxy-Registered Route Object by DACOM(AS3786) | MAINT-AS3786 | Nov 13, 2023 |
| 209.72.133.0/24 | AS27066 | RADB | Proxy-Registered Route Object by LG Dacom(AS3786) | MAINT-AS3786 | Nov 13, 2023 |
| 209.72.134.0/24 | AS724 | RADB | Proxy-Registered Route Object by DACOM(AS3786) | MAINT-AS3786 | Nov 13, 2023 |
| 209.72.135.0/24 | AS27066 | RADB | Proxy-Registered Route Object by LG Dacom(AS3786) | MAINT-AS3786 | Nov 13, 2023 |
| 209.72.137.0/24 | AS27066 | RADB | Proxy-Registered Route Object by LG Dacom(AS3786) | MAINT-AS3786 | Nov 13, 2023 |
| 209.72.138.0/24 | AS27066 | RADB | Proxy-Registered Route Object by LG Dacom(AS3786) | MAINT-AS3786 | Nov 13, 2023 |
| 209.72.139.0/24 | AS27066 | RADB | Proxy-Registered Route Object by LG Dacom(AS3786) | MAINT-AS3786 | Nov 13, 2023 |
| 209.72.140.0/24 | AS724 | RADB | Proxy-Registered Route Object by DACOM(AS3786) | MAINT-AS3786 | Nov 13, 2023 |
| 209.72.141.0/24 | AS27066 | RADB | Proxy-Registered Route Object by LG Dacom(AS3786) | MAINT-AS3786 | Nov 13, 2023 |
| 209.72.143.0/24 | AS27066 | RADB | Proxy-Registered Route Object by LG Dacom(AS3786) | MAINT-AS3786 | Nov 13, 2023 |
| 209.72.144.0/24 | AS27066 | RADB | Proxy-Registered Route Object by LG Dacom(AS3786) | MAINT-AS3786 | Nov 13, 2023 |
| 209.72.145.0/24 | AS724 | RADB | Proxy-Registered Route Object by DACOM(AS3786) | MAINT-AS3786 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 209.72.0.0/16
- Netname
- DNIC-RNET-209-072
- 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-209-72-0-0-2
- Parent
- NET-209-72-0-0-1
- Created
- Sep 5, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 28, 1997
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Network DoD
- Phone
- +1-844-347-2457
- Handle
- MIL-HSTMST-ARIN