Data as of Nov 3, 2026
205.0.0.0/11
No anonymizer spaceUnited 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.
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Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 205.0.0.0/16 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.0.0/17 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.0.0/19 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.0.0/20 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.0.0/21 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.0.0/23 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.0.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.4.0/22 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.4.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.6.0/23 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.18.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.20.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.24.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.27.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.31.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.32.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.39.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.44.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.49.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.50.0/23 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.59.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.62.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.64.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.71.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.77.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.109.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.174.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.176.0/23 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.179.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.183.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.192.0/21 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.192.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.212.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.0.242.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.1.0.0/20 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.1.0.0/21 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.1.0.0/22 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.1.0.0/23 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.1.0.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.1.1.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.2.0.0/23 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.2.0.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.2.3.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.2.4.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.2.10.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.2.16.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.2.36.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.2.38.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.2.152.0/23 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.3.0.0/23 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.3.4.0/23 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.3.4.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.3.45.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.3.160.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.4.0.0/23 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.4.2.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.4.166.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.4.216.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.5.255.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.6.0.0/23 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.7.8.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.7.109.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.8.0.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.10.24.0/22 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.10.146.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.11.0.0/22 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.12.24.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.12.68.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.14.2.0/23 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.14.2.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.14.128.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.14.192.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.14.193.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.14.194.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.14.195.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.14.196.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.14.197.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.14.198.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.14.199.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.15.115.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.15.132.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.15.224.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.16.23.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.16.186.0/23 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.18.8.0/21 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.18.202.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.18.210.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.19.92.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.19.161.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.19.212.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.20.80.0/21 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.20.93.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.20.117.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.20.173.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.21.89.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.21.189.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.21.190.0/23 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.22.37.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.22.38.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.22.41.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.22.45.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.22.104.0/22 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.22.138.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.22.185.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.22.206.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.23.186.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.23.203.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.23.204.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.0.0/16 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.0.0/21 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.5.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.12.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.36.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.50.0/23 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.50.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.58.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.63.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.64.0/18 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.65.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.66.0/23 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.77.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.86.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.94.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.96.0/19 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.103.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.104.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.113.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.122.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.143.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.155.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.160.0/23 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.167.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.168.0/22 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.168.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.170.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.172.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.176.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.178.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.180.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.185.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.190.0/23 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.195.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.198.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.210.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.24.231.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.25.128.0/22 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.25.232.0/23 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.26.182.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.27.0.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.31.158.0/24 since Sep 2021 | AS749 | 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 |
|---|---|---|---|---|---|---|
| 205.0.0.0 - 205.55.255.255 | 3,670,016 | DNIC-SNET-205-000 | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | May 18, 1998 | [email protected] |
| └ 205.0.0.0 - 205.55.255.255 | 3,670,016 | DNIC-SNET-205-000 | DoD Network Information Center (DNIC) · US | Reallocated | Aug 27, 2025 | [email protected] |
Network & registry
Registry
Holder
- Organization
- United States Department of Defense (DoD)
- Handle
- USDDD
- Range
- 205.0.0.0 - 205.55.255.255
- Registration type
- Direct Allocation
- Record created
- May 18, 1998
- Reallocated to
- DoD Network Information Center (DNIC)
- Reallocated
- Aug 27, 2025
Origin network
AS749
US
- Name
- United States Department of Defense (DoD)
- Type
- Business
- Domain
- mail.mil
- Industry
- Military, Defense, National Security, and International Affairs
- Spamhaus ASN-DROP
- not listed
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- Jan 2021
- Current origin since
- Sep 2021 · 5.2 yr
- Origin networks
- 2
- Last change of origin
- Sep 2021
Recorded history
History
- Handoffs
- 1
IRR inside
Route objects inside
| Prefix | Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|---|
| 205.5.27.0/24 | AS29802 | RADB | CID19918-LAX2 | MAINT-AS29802 | Nov 13, 2023 |
Whois
Registration for this announcement
- Range
- 205.0.0.0 - 205.55.255.255
- Netname
- DNIC-SNET-205-000
- 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-205-0-0-0-2
- Parent
- NET-205-0-0-0-1
- Created
- Aug 27, 2025
- RIR
- ARIN
- Country
- US
- Delegated
- May 18, 1998
- Status
- assigned
Report abuse
Abuse contact
- [email protected]
- Name
- Network DoD
- Phone
- +1-844-347-2457
- Handle
- MIL-HSTMST-ARIN