LAYER3 INTEL
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Data as of Nov 12, 2026

158.236.0.0/14

No anonymizer space

United States Department of Defense (DoD)

Announcement
this exact prefix
No RPKI
Announced by
AS721
Type
Business

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

Arrived
PrefixOriginTypeHolderRPKI
158.236.0.0/17
since May 2024
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
158.236.128.0/17
since Jun 2026
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
158.237.0.0/16
since Apr 2021
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
158.238.0.0/16
since Apr 2021
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
158.239.0.0/20
since Jan 2026
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
158.239.32.0/19
since Dec 2025
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
158.239.64.0/18
since Apr 2023
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
158.239.128.0/17
since Sep 2024
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
158.239.144.0/22
since Jan 2025
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
158.239.161.0/24
since Jan 2025
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
158.239.168.0/23
since Feb 2025
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
158.239.170.0/23
since Apr 2025
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
158.239.174.0/23
since Apr 2025
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
158.239.176.0/22
since Aug 2026
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
158.239.180.0/22
since Jan 2025
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
158.239.188.0/22
since Jan 2025
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
158.239.192.0/18
since Aug 2024
AS637BusinessUnited 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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
158.236.0.0/1665,536USMC2United States Department of Defense (DoD) (USDDD) · USDirect AllocationApr 8, 1992disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 158.236.0.0/1665,536USMC2Marine Corps Cyberspace Operations Group (UNOC) · USReallocatedAug 13, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
158.237.0.0/1665,536USMC3United States Department of Defense (DoD) (USDDD) · USDirect AllocationApr 8, 1992disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 158.237.0.0/1665,536USMC3Marine Corps Cyberspace Operations Group (UNOC) · USReallocatedAug 13, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
158.238.0.0/1665,536USMC4United States Department of Defense (DoD) (USDDD) · USDirect AllocationApr 8, 1992disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 158.238.0.0/1665,536USMC4Marine Corps Cyberspace Operations Group (UNOC) · USReallocatedAug 13, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
158.239.0.0/1665,536USMC5United States Department of Defense (DoD) (USDDD) · USDirect AllocationApr 8, 1992disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 158.239.0.0/1665,536USMC5Marine Corps Cyberspace Operations Group (UNOC) · USReallocatedAug 13, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil

Network & registry

AnnouncementRouting historyWhois & abuse
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