LAYER3 INTEL
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Data as of Nov 7, 2026

155.216.0.0/14

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
155.216.0.0/16
since Jun 2026
AS1540BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
155.217.0.0/16
since Aug 2026
AS1540BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
155.217.249.0/24
since May 2026
AS1540BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
155.218.16.0/23
since Jun 2026
AS1540BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
155.218.18.0/23
since Jun 2026
AS1540BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
155.218.20.0/23
since Jun 2026
AS1540BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
155.218.22.0/23
since Jun 2026
AS1540BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
155.218.144.0/24
since Jun 2026
AS1540BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
155.218.147.0/24
since Jul 2026
AS1540BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
155.218.148.0/24
since Jun 2026
AS1540BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
155.218.149.0/24
since Jun 2026
AS1540BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
155.218.151.0/24
since Jun 2026
AS1540BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
155.218.156.0/22
since Jun 2026
AS1540BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
155.218.176.0/24
since Jun 2026
AS1540BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
155.218.177.0/24
since Jun 2026
AS1540BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
155.218.180.0/22
since Jun 2026
AS1540BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
155.218.184.0/24
since Jun 2026
AS1540BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
155.218.186.0/24
since Jun 2026
AS1540BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
155.218.187.0/24
since Jun 2026
AS1540BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
155.218.196.0/24
since Jun 2026
AS1540BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
155.218.197.0/24
since Jun 2026
AS1540BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
155.219.0.0/16
since Feb 2026
AS1540BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC

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
155.216.0.0/1665,536FTDIX-DIXNETUnited States Department of Defense (DoD) (USDDD) · USDirect AllocationJan 23, 1992disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 155.216.0.0/1665,536FTDIX-DIXNETHeadquarters, USAISC (HEADQU-3) · USReallocatedAug 22, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
155.217.0.0/1665,536EUSTIS-EMH1United States Department of Defense (DoD) (USDDD) · USDirect AllocationJan 28, 1992disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 155.217.0.0/1665,536EUSTIS-EMH1Headquarters, USAISC (HEADQU-3) · USReallocatedAug 22, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
155.218.0.0/1665,536WVA-EMH2United States Department of Defense (DoD) (USDDD) · USDirect AllocationJan 28, 1992disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 155.218.0.0/1665,536WVA-EMH2Headquarters, USAISC (HEADQU-3) · USReallocatedAug 22, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
155.219.0.0/1665,536SILL-NET3United States Department of Defense (DoD) (USDDD) · USDirect AllocationJan 28, 1992disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 155.219.0.0/1665,536SILL-NET3Headquarters, USAISC (HEADQU-3) · USReallocatedAug 22, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil

Network & registry

AnnouncementRouting historyWhois & 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