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Data as of Nov 4, 2026

143.147.0.0/19

No anonymizer space · no proxy exits in 30 days

United States Department of Defense (DoD)

Announcement
this exact prefix
No RPKI
Announced by
AS56
Type
Business
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
143.144.0.0/13
since May 2014
AS721BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking

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
143.139.0.0 - 143.157.255.2551,245,184AFIN-BUnited States Department of Defense (DoD) (USDDD) · USDirect AllocationSep 21, 1990disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 143.139.0.0 - 143.157.255.2551,245,184AFIN-BAir Force Systems Networking (7ESG) · USReallocatedAug 19, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil

Network & registry

AnnouncementRouting historyWhois & abuse
Registry

Holder

Organization
United States Department of Defense (DoD)
Handle
USDDD
Range
143.139.0.0 - 143.157.255.255
Registration type
Direct Allocation
Record created
Sep 21, 1990
Legacy
yes
Reallocated to
Air Force Systems Networking (7ESG)
Reallocated
Aug 19, 2025
Origin network

AS56

US
Name
United States Department of Defense (DoD)
Type
Business
Registered
Dec 18, 1985
Domain
mail.mil
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed