Data as of Nov 6, 2026
205.110.0.0/16
No anonymizer space · no proxy exits in 30 daysUnited States Department of Defense (DoD)
Announcements
Nesting
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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 |
|---|---|---|---|---|
| 205.110.0.0/20 since Jan 2024 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.16.0/20 since Jan 2024 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.36.0/23 since Feb 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.39.0/24 since Feb 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.50.0/23 since May 2023 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.55.0/24 since Jan 2017 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.56.0/22 since Feb 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.57.0/24 since Sep 2023 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.58.0/24 since Sep 2023 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.60.0/24 since Apr 2025 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.61.0/24 since Feb 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.62.0/24 since Feb 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.63.0/24 since Feb 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.68.0/24 since Oct 2023 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.69.0/24 since Feb 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.70.0/24 since Feb 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.74.0/23 since Sep 2025 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.76.0/22 since May 2023 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.86.0/24 since Feb 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.95.0/24 since Jan 2024 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.104.0/22 since Oct 2014 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.110.0/23 since Nov 2020 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.116.0/23 since Apr 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.137.0/24 since Feb 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.140.0/23 since Feb 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.187.0/24 since Dec 2022 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.188.0/24 since May 2024 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.192.0/22 since Feb 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.193.0/24 since Sep 2023 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.194.0/24 since Sep 2023 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.196.0/24 since Apr 2025 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.197.0/24 since Feb 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.198.0/23 since Feb 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.200.0/21 since Apr 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.218.0/24 since Apr 2025 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.224.0/20 since Apr 2025 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.240.0/24 since Feb 2024 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.242.0/24 since Apr 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.244.0/23 since Apr 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.247.0/24 since Apr 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.248.0/23 since Jan 2017 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.250.0/23 since Apr 2021 | AS637 | Business | United States Department of Defense (DoD) via Navy Network Information Center (NNIC) | |
| 205.110.252.0/22 since Apr 2021 | 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
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