Data as of Nov 5, 2026
205.89.192.0/20
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 Oct 10, 2026
from AS5371 United States Department of Defense (DoD), after 1.6 years unannounced
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 205.64.0.0/11 | AS721 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) |
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 205.89.192.0/24 since Aug 2024 | AS5371 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.89.194.0/24 since Aug 2024 | AS5371 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.89.196.0/24 since Aug 2024 | AS5371 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.89.203.0/24 since Oct 10, 2026 | AS5371 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) |
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 |
|---|---|---|---|---|---|---|
| 205. | 4,063,232 | NETBLK-NIC-BLK1 | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | May 18, 1998 | disa. |
| └ 205. | 4,063,232 | NETBLK-NIC-BLK1 | Navy Network Information Center (NNIC) (NNICN-1) · US | Reallocated | Aug 15, 2025 | — |
Network & registry
Registry
Holder
- Organization
- United States Department of Defense (DoD)
- Handle
- USDDD
- Range
- 205.
56. 0. 0 - 205. 117. 255. 255 - Registration type
- Direct Allocation
- Record created
- May 18, 1998
- Reallocated to
- Navy Network Information Center (NNIC) (NNICN-1)
- Reallocated
- Aug 15, 2025
Origin network
AS5371
US
- Name
- United States Department of Defense (DoD)
- Type
- Business
- Registered
- May 9, 1995
- Domain
- mail.mil
- Industry
- Military, Defense, National Security, and International Affairs
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
latest 12 of 24 stints
Summary
Routing history
- Pattern
- Rotating
- First seen
- Oct 2011
- Current origin since
- Oct 10, 2026 · under a month
- Origin networks
- 5
- Last change of origin
- Aug 2024
Recorded history
History
- Stints on record
- 24
- Handoffs
- 19
Whois
Registration for this announcement
- Range
- 205.
56. 0. 0 - 205. 117. 255. 255 - Netname
- NETBLK-NIC-BLK1
- Registrant
- Navy Network Information Center (NNIC)
- Organization
- Navy Network Information Center (NNIC) (NNICN-1)
- Org address
- 2465 GUADALCANAL ROAD, VIRGINIA BEACH, VA, 23459
- Org country
- US
- Type
- Reallocated
- Handle
- NET-205-56-0-0-2
- Parent
- NET-205-56-0-0-1
- Created
- Aug 15, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- May 18, 1998
- 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