Data as of Nov 9, 2026
205.108.0.0/15
No anonymizer spaceUnited States Department of Defense (DoD)
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 205.108.12.0/22 since Oct 2025 | AS647 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.108.76.0/24 since Jun 2022 | AS27064 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.108.77.0/24 since Sep 2021 | AS27064 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.108.78.0/24 since Jun 2022 | AS27064 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.108.180.0/24 since Jun 2022 | AS27064 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.108.182.0/24 since Jun 2022 | AS27064 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.108.183.0/24 since Jun 2022 | AS27064 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.108.244.0/24 since Jun 2023 | AS647 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.109.0.0/23 since Jan 2025 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.109.4.0/22 since Nov 2020 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.109.8.0/23 since Nov 2020 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.109.12.0/23 since Apr 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.109.16.0/24 since May 2022 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.109.17.0/24 since May 2022 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.109.20.0/23 since Feb 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.109.28.0/23 since Sep 2023 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.109.48.0/23 since Jan 2024 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.109.51.0/24 since Jan 2024 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.109.53.0/24 since Jan 2024 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.109.54.0/23 since Jan 2024 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.109.64.0/24 since Apr 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.109.69.0/24 since Jun 2023 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.109.80.0/21 since Apr 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.109.88.0/21 since Oct 2025 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.109.96.0/21 since Feb 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.109.104.0/21 since Apr 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.109.110.0/24 since Feb 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.109.112.0/20 since Apr 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.109.126.0/23 since Apr 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.109.128.0/19 since Feb 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.109.160.0/19 since Feb 2023 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.109.192.0/19 since Feb 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.109.192.0/20 since Feb 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.109.208.0/20 since Feb 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.109.224.0/19 since Jan 2017 | AS637 | 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
AS721
US
- Name
- United States Department of Defense (DoD)
- Type
- Business
- Domain
- mail.mil
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Dec 2010 · 16 yr
- Origin networks
- 2
- Last change of origin
- Dec 2010
Recorded history
History
- Handoffs
- 2
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 205.109.56.0/21 | AS638 | RADB | Proxy-Registered Route Object by LG Dacom(AS3786) | MAINT-AS3786 | Nov 13, 2023 |
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