Data as of Nov 9, 2026
206.39.152.0/23
No anonymizer space · no proxy exits in 30 daysHeadquarters, USAISC · space held by United States Department of Defense (DoD)
Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Recent change
New origin Oct 10, 2026
its first announcement on record
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 206.39.0.0/16 since Dec 2010 | AS721 | Business | United States Department of Defense (DoD) via DoD Network Information Center |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 206.39.153.0/24 since Jun 2026 | AS1540 | 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 |
|---|---|---|---|---|---|---|
| 206.36.0.0/14 | 262,144 | DNIC-NETBLK-206-036 | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | May 30, 1995 | disa. |
| └ 206.36.0.0/14 | 262,144 | DNIC-NETBLK-206-036 | 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
- 206.
36. 0. 0/ 14 - Registration type
- Direct Allocation
- Record created
- May 30, 1995
- Legacy
- yes
- Reallocated to
- DoD Network Information Center (DNIC)
- Reallocated
- Sep 5, 2025
Origin network
AS1540
US
- Name
- Headquarters, USAISC
- Type
- Business
- Registered
- May 12, 2004
- Domain
- mail.mil
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Oct 10, 2026
- Current origin since
- Oct 10, 2026 · under a month
- Origin networks
- 1
Whois
Registration for this announcement
- Range
- 206.
36. 0. 0/ 14 - Netname
- DNIC-NETBLK-206-036
- 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-206-36-0-0-2
- Parent
- NET-206-36-0-0-1
- Created
- Sep 5, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- May 30, 1995
- 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