Data as of Nov 14, 2026
206.37.232.0/24
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
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Jun 2026
from AS367 United States Department of Defense (DoD)
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 206.37.0.0/16 since Dec 2010 | AS721 | 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
- Rotating
- First seen
- Mar 2007
- Current origin since
- Jun 2026 · 5 mo
- Origin networks
- 4
- Last change of origin
- Jun 2026
Recorded history
History
- Handoffs
- 3
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