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Data as of Nov 5, 2026

192.172.0.0/19

No anonymizer space · no proxy exits in 30 days

United States Department of Defense (DoD)

Announcement
this exact prefix
No RPKI
Announced by
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

PrefixOriginTypeHolderRPKI
192.172.2.0/24
since Jul 2026
AS1540BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
192.172.12.0/24
since Sep 2026
AS5277BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
192.172.13.0/24
since Apr 2026
AS6034BusinessUnited States Department of Defense (DoD)
via Headquarters, USAISC
192.172.18.0/24
since Sep 2026
AS1540BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
192.172.24.0/23
since May 2026
AS1540BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
192.172.27.0/24
since May 2026
AS1540BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
192.172.28.0/24
since Aug 2026
AS1602BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
192.172.29.0/24
since Aug 2026
AS1637BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
192.172.30.0/24
since Aug 2026
AS1600BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center

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
192.172.0.0/24256ANSOC-RNET121unknown———
└ 192.172.0.0/24256ANSOC-RNET121Headquarters, USAISC (HEADQU-3) · USAllocationAug 25, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
192.172.1.0/24256GORDON-NET6unknown———
└ 192.172.1.0/24256GORDON-NET6Headquarters, USAISC (HEADQU-3) · USAllocationAug 25, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
192.172.2.0/24256BELVOIR-IGUnited States Department of Defense (DoD) (USDDD) · USDirect AllocationOct 2, 1992disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 192.172.2.0/24256BELVOIR-IGHeadquarters, USAISC (HEADQU-3) · USReallocatedAug 25, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
192.172.3.0/24256NGIC-NET3unknown———
└ 192.172.3.0/24256NGIC-NET3Headquarters, USAISC (HEADQU-3) · USAllocationAug 25, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
192.172.4.0/24256BLISS-JTF6unknown———
└ 192.172.4.0/24256BLISS-JTF6Headquarters, USAISC (HEADQU-3) · USAllocationAug 25, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
192.172.5.0/24256ANSOC-RNET3unknown———
└ 192.172.5.0/24256ANSOC-RNET3Headquarters, USAISC (HEADQU-3) · USAllocationAug 25, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
192.172.6.0/24256ANSOC-RNET067unknown———
└ 192.172.6.0/24256ANSOC-RNET067Headquarters, USAISC (HEADQU-3) · USAllocationAug 25, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
192.172.7.0/24256ANSOC-RNET027unknown———
└ 192.172.7.0/24256ANSOC-RNET027Headquarters, USAISC (HEADQU-3) · USAllocationAug 25, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
192.172.8.0/24256ANSOC-RNET029unknown———
└ 192.172.8.0/24256ANSOC-RNET029Headquarters, USAISC (HEADQU-3) · USAllocationAug 25, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
192.172.9.0/24256RMA-NET1unknown———
└ 192.172.9.0/24256RMA-NET1Headquarters, USAISC (HEADQU-3) · USAllocationAug 25, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
192.172.10.0/24256SDDC-JAX1unknown———
└ 192.172.10.0/24256SDDC-JAX1Headquarters, USAISC (HEADQU-3) · USAllocationAug 25, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
192.172.11.0/24256SDDC-JAXunknown———
└ 192.172.11.0/24256SDDC-JAXHeadquarters, USAISC (HEADQU-3) · USAllocationAug 25, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
192.172.12.0/24256ANSOC-BWD-NETUnited States Department of Defense (DoD) (USDDD) · USDirect AllocationMay 29, 1992disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 192.172.12.0/24256ANSOC-BWD-NETHeadquarters, USAISC (HEADQU-3) · USReallocatedAug 25, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
192.172.13.0/24256ANSOC-RNET012United States Department of Defense (DoD) (USDDD) · USDirect AllocationJun 29, 1992disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 192.172.13.0/24256ANSOC-RNET012Headquarters, USAISC (HEADQU-3) · USReallocatedAug 25, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
192.172.14.0/24256TACOM-AMSTAGunknown———
└ 192.172.14.0/24256TACOM-AMSTAGHeadquarters, USAISC (HEADQU-3) · USAllocationAug 25, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
192.172.15.0/24256DIX-EMH1unknown———
└ 192.172.15.0/24256DIX-EMH1Headquarters, USAISC (HEADQU-3) · USAllocationAug 25, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
192.172.16.0/24256ANSOC-RNET044unknown———
└ 192.172.16.0/24256ANSOC-RNET044Headquarters, USAISC (HEADQU-3) · USAllocationAug 25, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
192.172.17.0/24256LWOOD-NET3unknown———
└ 192.172.17.0/24256LWOOD-NET3Headquarters, USAISC (HEADQU-3) · USAllocationAug 25, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
192.172.18.0/24256DNIC-RNET-192-172-018United States Department of Defense (DoD) (USDDD) · USDirect AllocationMar 10, 1993disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 192.172.18.0/24256DNIC-RNET-192-172-018DoD Network Information Center (DNIC) · USReallocatedSep 8, 2025disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
192.172.19.0/24256MMSD1unknown———
└ 192.172.19.0/24256MMSD1Headquarters, USAISC (HEADQU-3) · USAllocationAug 25, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
192.172.20.0/24256MMSDunknown———
└ 192.172.20.0/24256MMSDHeadquarters, USAISC (HEADQU-3) · USAllocationAug 25, 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