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Data as of Nov 12, 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
Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
May 2005
Current origin since
Dec 2010 · 16 yr
Origin networks
2
Last change of origin
Dec 2010
Recorded history

History

Handoffs
2