LAYER3 INTEL
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Data as of Nov 9, 2026

138.144.0.0/12

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
138.145.254.0/24
since Mar 2024
AS665BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.147.0.0/24
since Mar 2021
AS627BusinessUnited States Department of Defense (DoD)
via Navy Network Information Center (NNIC)
138.152.0.0/24
since Apr 2023
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.4.0/23
since Nov 2023
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.6.0/24
since Jul 2024
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.11.0/24
since Jul 2024
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.13.0/24
since Apr 2026
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.32.0/24
since Nov 2024
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.34.0/24
since Jul 2024
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.36.0/24
since May 2024
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.38.0/24
since Sep 2024
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.39.0/24
since Apr 2025
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.49.0/24
since Aug 2026
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.50.0/23
since Sep 28, 2026
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.52.0/23
since Sep 28, 2026
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.54.0/23
since Sep 28, 2026
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.56.0/23
since Sep 28, 2026
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.58.0/24
since Sep 28, 2026
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.59.0/24
since Sep 28, 2026
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.60.0/24
since Sep 28, 2026
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.61.0/24
since Sep 28, 2026
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.62.0/24
since Sep 28, 2026
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.63.0/24
since Sep 28, 2026
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.64.0/20
since Apr 2024
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.64.0/23
since Mar 2024
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.66.0/23
since Apr 2024
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.68.0/24
since Apr 2026
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.70.0/24
since Apr 2026
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.71.0/24
since Apr 2026
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.72.0/24
since Jul 2025
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.73.0/24
since Jul 2025
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.74.0/23
since Jul 2025
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.76.0/24
since Apr 2026
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.77.0/24
since Apr 2026
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.78.0/24
since Apr 2026
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.80.0/20
since Mar 2024
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.96.0/23
since Feb 2024
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.98.0/23
since Apr 2024
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.100.0/24
since Apr 2026
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.102.0/24
since Apr 2026
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.103.0/24
since Apr 2026
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.104.0/24
since Jul 2025
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.105.0/24
since Jul 2025
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.106.0/23
since Jul 2025
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.108.0/24
since Apr 2026
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.109.0/24
since Apr 2026
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.110.0/24
since Apr 2026
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.112.0/20
since Feb 2024
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.152.160.0/23
since Dec 2025
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.153.64.0/19
since Aug 2025
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.153.97.0/24
since Aug 2026
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.153.100.0/24
since Sep 28, 2026
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.153.101.0/24
since Sep 28, 2026
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.153.102.0/24
since Sep 28, 2026
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.153.103.0/24
since Sep 28, 2026
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.153.121.0/24
since Apr 2026
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
138.156.0.0/16
since Apr 2021
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
138.156.232.0/23
since Apr 2021
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
138.156.248.0/21
since Apr 2021
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
138.157.0.0/19
since Mar 2025
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
138.157.57.0/24
since Jan 2024
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
138.157.64.0/23
since Apr 2021
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
138.157.84.0/23
since Apr 2021
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
138.157.105.0/24
since Mar 2025
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
138.157.106.0/23
since Apr 2021
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
138.157.110.0/24
since Apr 2023
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
138.157.112.0/23
since Apr 2025
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
138.157.114.0/24
since Jan 2023
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
138.157.115.0/24
since Feb 2023
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
138.157.119.0/24
since Sep 2021
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
138.157.122.0/24
since May 2026
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
138.157.124.0/23
since Apr 2021
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
138.157.130.0/24
since Jan 2024
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
138.157.131.0/24
since Feb 2026
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
138.157.207.0/24
since Aug 2023
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
138.157.210.0/23
since Jun 2026
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
138.157.216.0/24
since Apr 2021
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
138.157.240.0/24
since Feb 2021
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
138.158.0.0/16
since Mar 2026
AS637BusinessUnited 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.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
138.144.0.0/1665,536NAVY-MARINE-CORP-INTRANETunknown———
└ 138.144.0.0/1665,536NAVY-MARINE-CORP-INTRANETDoD Network Information Center (DNIC) · USAllocationAug 28, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
138.145.0.0/1665,536NAVY-MARINE-CORP-INTRANETUnited States Department of Defense (DoD) (USDDD) · USDirect AllocationMay 7, 1990disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 138.145.0.0/1665,536NAVY-MARINE-CORP-INTRANETDoD Network Information Center (DNIC) · USReallocatedAug 28, 2025disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
138.146.0.0/1665,536DNIC-RNET-138-146unknown———
└ 138.146.0.0/1665,536DNIC-RNET-138-146DoD Network Information Center (DNIC) · USAllocationAug 28, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
138.147.0.0/1665,536REGIONAL-LAN1United States Department of Defense (DoD) (USDDD) · USDirect AllocationMay 7, 1990disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 138.147.0.0/1665,536REGIONAL-LAN1Navy Network Information Center (NNIC) (NNICN-1) · USReallocatedAug 14, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
138.148.0.0/1665,536DISN-IP-ACCESS-1-3unknown———
└ 138.148.0.0/1665,536DISN-IP-ACCESS-1-3DoD Network Information Center (DNIC) · USAllocationAug 28, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
138.149.0.0/1665,536DISN-IP-ACCESS-1-4unknown———
└ 138.149.0.0/1665,536DISN-IP-ACCESS-1-4DoD Network Information Center (DNIC) · USAllocationAug 28, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
138.150.0.0/1665,536DISN-IP-IAP-DMZ-COI-2-0unknown———
└ 138.150.0.0/1665,536DISN-IP-IAP-DMZ-COI-2-0DoD Network Information Center (DNIC) · USAllocationAug 28, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
138.151.0.0/1665,536DISN-IP-IAP-DMZ-COI-1-0United States Department of Defense (DoD) (USDDD)Direct AllocationMay 7, 1990—
└ 138.151.0.0/1665,536DISN-IP-IAP-DMZ-COI-1-0DoD Network Information Center (DNIC) · USAllocationAug 28, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
138.152.0.0/15131,072CLOUD-SVCS-138-152United States Department of Defense (DoD) (USDDD) · USDirect AllocationMay 7, 1990disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 138.152.0.0/15131,072CLOUD-SVCS-138-152DoD Network Information Center (DNIC) · USReallocatedAug 28, 2025disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
138.154.0.0/1665,536DISN-IP-PRIVATEISP-2-0unknown———
└ 138.154.0.0/1665,536DISN-IP-PRIVATEISP-2-0DoD Network Information Center (DNIC) · USAllocationAug 28, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
138.155.0.0/1665,536DISN-IP-PRIVATEISP-1-0unknown———
└ 138.155.0.0/1665,536DISN-IP-PRIVATEISP-1-0DoD Network Information Center (DNIC) · USAllocationAug 28, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
138.156.0.0/1665,536USMC-QUANTICOUnited States Department of Defense (DoD) (USDDD) · USDirect AllocationApr 3, 1992disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 138.156.0.0/1665,536USMC-QUANTICOMarine Corps Cyberspace Operations Group (UNOC) · USReallocatedAug 13, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
138.157.0.0/1665,536USMC-MIL2United States Department of Defense (DoD) (USDDD) · USDirect AllocationApr 3, 1992disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 138.157.0.0/1665,536USMC-MIL2Marine Corps Cyberspace Operations Group (UNOC) · USReallocatedAug 13, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
138.158.0.0/1665,536DISN-IP-RESERVE-1-0United States Department of Defense (DoD) (USDDD) · USDirect AllocationApr 3, 1992disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 138.158.0.0/1665,536DISN-IP-RESERVE-1-0DoD Network Information Center (DNIC) · USReallocatedAug 28, 2025disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
138.159.0.0/1665,536DNIC-RNET-138-159unknown———
└ 138.159.0.0/1665,536DNIC-RNET-138-159DoD Network Information Center (DNIC) · USAllocationAug 28, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
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