LAYER3 INTEL
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Data as of Nov 4, 2026

205.57.80.0/23

No anonymizer space · no proxy exits in 30 days

United States Department of Defense (DoD)

Announcement
this exact prefix
No RPKI
Announced by
AS647
Type
Business
Recent change
New origin Oct 22, 2026
its first announcement on record

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
205.56.0.0/13
since Dec 2010
AS721BusinessUnited States Department of Defense (DoD)
via Navy Network Information Center (NNIC)
More specific

Announcements inside

PrefixOriginTypeHolderRPKI
205.57.81.0/24
since Apr 2022
AS647BusinessUnited States Department of Defense (DoD)
via Navy Network Information Center (NNIC)

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
205.56.0.0 - 205.117.255.2554,063,232NETBLK-NIC-BLK1United States Department of Defense (DoD) (USDDD) · USDirect AllocationMay 18, 1998[email protected]
└ 205.56.0.0 - 205.117.255.2554,063,232NETBLK-NIC-BLK1Navy Network Information Center (NNIC) (NNICN-1) · USReallocatedAug 15, 2025—

Network & registry

AnnouncementRouting historyWhois & abuse
Registry

Holder

Organization
United States Department of Defense (DoD)
Handle
USDDD
Range
205.56.0.0 - 205.117.255.255
Registration type
Direct Allocation
Record created
May 18, 1998
Reallocated to
Navy Network Information Center (NNIC) (NNICN-1)
Reallocated
Aug 15, 2025
Origin network

AS647

US
Name
United States Department of Defense (DoD)
Type
Business
Registered
Apr 19, 1990
Domain
mail.mil
Industry
Military, Defense, National Security, and International Affairs
Spamhaus ASN-DROP
not listed