Data as of Nov 3, 2026
158.239.0.0/16
No anonymizer space · no proxy exits in 30 daysUnited 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 |
|---|---|---|---|---|
| 158.239.0.0/20 since Jan 2026 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 158.239.32.0/19 since Dec 2025 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 158.239.64.0/18 since Apr 2023 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 158.239.128.0/17 since Sep 2024 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 158.239.144.0/22 since Jan 2025 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 158.239.161.0/24 since Jan 2025 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 158.239.168.0/23 since Feb 2025 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 158.239.170.0/23 since Apr 2025 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 158.239.174.0/23 since Apr 2025 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 158.239.176.0/22 since Aug 2026 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 158.239.180.0/22 since Jan 2025 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 158.239.188.0/22 since Jan 2025 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group | |
| 158.239.192.0/18 since Aug 2024 | AS637 | Business | United States Department of Defense (DoD) via Marine Corps Cyberspace Operations Group |
Registrations in this block
The registry's network records over this block, widest first, each under its parent.
| Range | Addresses | Netname | Holder | Type | Created | Abuse contact |
|---|---|---|---|---|---|---|
| 158.239.0.0/16 | 65,536 | USMC5 | United States Department of Defense (DoD) (USDDD) · US | Direct Allocation | Apr 8, 1992 | [email protected] |
| └ 158.239.0.0/16 | 65,536 | USMC5 | Marine Corps Cyberspace Operations Group (UNOC) · US | Reallocated | Aug 13, 2025 | [email protected] |
Network & registry
Announced by
Covering announcement 158.236.0.0/14
- Prefix
- 158.236.0.0/14
- Announced by
- AS721 United States Department of Defense (DoD)
- Type
- Business
- RPKI
- No RPKI
- RIR
- ARIN
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 158.236.0.0/14
158.236.0.0/14
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
158.236.0.0/14 spans several registrations: 8 records are listed under Registrations.
- RIR
- ARIN
- Country
- US
- Delegated
- Apr 8, 1992
- Status
- assigned