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Data as of Nov 3, 2026

192.187.4.0/22

No anonymizer space · no proxy exits in 30 days

United States Department of Defense (DoD)

Announcement
this exact prefix
No RPKI
Announced by
AS721
Type
Business

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
192.187.4.0/24
since May 2005
AS5860BusinessUnited 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
192.187.4.0/24256SNAVNET1United States Department of Defense (DoD) (USDDD) · USDirect AllocationJun 23, 1992[email protected]
└ 192.187.4.0/24256SNAVNET1Navy Network Information Center (NNIC) (NNICN-1) · USReallocatedAug 15, 2025[email protected]
192.187.5.0/24256DNIC-RNET-192-187-005unknown———
└ 192.187.5.0/24256DNIC-RNET-192-187-005DoD Network Information Center (DNIC) · USAllocationSep 8, 2025[email protected]
192.187.6.0/24256DNIC-RNET-192-187-006unknown———
└ 192.187.6.0/24256DNIC-RNET-192-187-006DoD Network Information Center (DNIC) · USAllocationSep 8, 2025[email protected]
192.187.7.0/24256DNIC-RNET-192-187-007unknown———
└ 192.187.7.0/24256DNIC-RNET-192-187-007DoD Network Information Center (DNIC) · USAllocationSep 8, 2025[email protected]

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