Data as of Nov 3, 2026
205.32.0.0/12
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 |
|---|---|---|---|---|
| 205.32.15.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.32.28.0/23 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.35.248.0/22 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.38.2.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.39.0.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.39.149.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.41.23.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.41.247.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.42.54.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.42.142.0/23 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.43.232.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.44.24.0/23 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.44.64.0/24 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.45.200.0/22 since Sep 2021 | AS749 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 205.47.254.0/23 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
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