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Data as of Nov 3, 2026

55.85.0.0/16

No anonymizer space · no proxy exits in 30 days

United States Department of Defense (DoD)

Announcement
this exact prefix
No RPKI
Announced by
AS306
Type
Business

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
55.0.0.0/8AS721BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
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
55.85.15.0/24
since Jan 2026
AS306BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
55.85.27.0/24
since Apr 2019
AS306BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
55.85.29.0/24
since May 2025
AS306BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
55.85.30.0/24
since May 2025
AS306BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
55.85.34.0/24
since May 2025
AS306BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
55.85.35.0/24
since Apr 2024
AS306BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
55.85.43.0/24
since Apr 2019
AS306BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
55.85.60.0/23
since Apr 2025
AS306BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
55.85.64.0/23
since Mar 2026
AS306BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
55.85.66.0/23
since Apr 2025
AS306BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
55.85.80.0/23
since Apr 2025
AS306BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
55.85.84.0/23
since Apr 2025
AS306BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
55.85.86.0/23
since Apr 2025
AS306BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
55.85.100.0/23
since Apr 2025
AS306BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
55.85.104.0/23
since Mar 2026
AS306BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
55.85.106.0/23
since Apr 2025
AS306BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
55.85.120.0/23
since Apr 2025
AS306BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
55.85.124.0/23
since Mar 2026
AS306BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
55.85.126.0/23
since Apr 2025
AS306BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
55.85.150.0/24
since May 2026
AS306BusinessUnited 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
55.0.0.0/816,777,216CONUS-RCASUnited States Department of Defense (DoD) (USDDD) · USDirect AllocationOct 26, 1996[email protected]
└ 55.0.0.0/816,777,216CONUS-RCASHeadquarters, USAISC (HEADQU-3) · USReallocatedAug 20, 2025—

Network & registry

AnnouncementRouting historyWhois & abuse
Registry

Holder

Organization
United States Department of Defense (DoD)
Handle
USDDD
Range
55.0.0.0/8
Registration type
Direct Allocation
Record created
Oct 26, 1996
Legacy
yes
Reallocated to
Headquarters, USAISC (HEADQU-3)
Reallocated
Aug 20, 2025
Origin network

AS306

US
Name
United States Department of Defense (DoD)
Type
Business
Registered
Jun 30, 1989
Domain
mail.mil
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed