Data as of Nov 9, 2026
204.222.0.0/15
No anonymizer spaceUnited States Department of Defense (DoD)
Announcements
Nesting
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Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 204.222.0.0/22 since Apr 2025 | AS27064 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 204.222.6.0/23 since Jun 2018 | AS668 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 204.222.8.0/23 since Jun 2018 | AS668 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 204.222.64.0/21 since Jun 2018 | AS668 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 204.222.89.0/24 since Mar 2026 | AS5180 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 204.222.176.0/24 since Jan 2024 | AS5957 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 204.222.177.0/24 since May 2005 | AS5957 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 204.222.178.0/24 since May 2005 | AS5957 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 204.222.179.0/24 since May 2005 | AS5957 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 204.222.192.0/21 since Jul 2026 | AS27064 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 204.222.212.0/24 since May 2005 | AS300 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 204.222.228.0/23 since Jun 2025 | AS5978 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 204.222.248.0/24 since Jun 2024 | AS56 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 204.222.249.0/24 since Jun 2024 | AS56 | Business | United States Department of Defense (DoD) via DoD Network Information Center | |
| 204.223.8.0/21 since Apr 2021 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 204.223.34.0/23 since Feb 2021 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 204.223.36.0/22 since Feb 2021 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 204.223.40.0/24 since Apr 2025 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 204.223.41.0/24 since Apr 2025 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 204.223.42.0/23 since Feb 2021 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 204.223.44.0/22 since Feb 2021 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 204.223.75.0/24 since Feb 2021 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 204.223.78.0/23 since Apr 2015 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 204.223.80.0/24 since Dec 2023 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 204.223.81.0/24 since Oct 2023 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 204.223.82.0/23 since Feb 2021 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 204.223.84.0/22 since Feb 2021 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 204.223.88.0/22 since Feb 2021 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 204.223.92.0/23 since Feb 2021 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 204.223.94.0/24 since Feb 2021 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 204.223.96.0/20 since Apr 2021 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 204.223.112.0/21 since Apr 2026 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 204.223.126.0/23 since Apr 2021 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 204.223.128.0/21 since Dec 2023 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 204.223.136.0/21 since Jan 2024 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 204.223.144.0/21 since Apr 2021 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 204.223.152.0/22 since Feb 2024 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 204.223.176.0/24 since Apr 2025 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group |
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 |
|---|---|---|---|---|---|---|
| 204.222.0.0/16 | 65,536 | DNIC-NET-204-222 | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Jan 5, 1995 | disa. |
| └ 204.222.0.0/16 | 65,536 | DNIC-NET-204-222 | DoD Network Information Center (DNIC) · US | Reallocated | Sep 5, 2025 | disa. |
| 204.223.0.0/16 | 65,536 | NETBLK-USMC-C2 | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Jan 5, 1995 | disa. |
| └ 204.223.0.0/16 | 65,536 | NETBLK-USMC-C2 | Marine Corps Cyberspace Operations Group (UNOC) · US | Reallocated | Aug 13, 2025 | disa. |
Network & registry
Registry
Holder
- Organization
- Not stated by the registry
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
- Aug 2011
- Current origin since
- Aug 2011 · 15 yr
- Origin networks
- 1
Whois
Registration for this announcement
204.222.0.0/15 spans several registrations: 4 records are listed under Registrations.
- RIR
- ARIN
- Country
- US
- Delegated
- Jan 5, 1995
- Status
- assigned