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Data as of Nov 14, 2026

192.156.0.0/18

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
192.156.21.0/24
since Apr 2024
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group
192.156.56.0/23
since Apr 2021
AS637BusinessUnited States Department of Defense (DoD)
via Marine Corps Cyberspace Operations Group

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
192.156.0.0 - 192.156.80.25520,736USMC-CUnited States Department of Defense (DoD) (USDDD) · USDirect AllocationApr 8, 1992disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 192.156.0.0 - 192.156.80.25520,736USMC-CMarine Corps Cyberspace Operations Group (UNOC) · USReallocatedAug 13, 2025—
└ 192.156.1.0/24256USMC-DSID1unknown———
└ 192.156.3.0/24256USMC-BRGFWunknown———
└ 192.156.4.0/24256USMC-SDOFWunknown———
└ 192.156.5.0/24256USMC-CPPFWunknown———
└ 192.156.6.0/24256USMC-DSID6unknown———
└ 192.156.7.0/24256USMC-SITEDFWunknown———
└ 192.156.8.0/24256USMC-29PFWunknown———
└ 192.156.9.0/24256USMC-YMHFWunknown———
└ 192.156.10.0/24256USMC-BAMFWunknown———
└ 192.156.11.0/24256USMC-DSID11unknown———
└ 192.156.12.0/24256USMC-DSID12unknown———
└ 192.156.13.0/24256USMC-C13unknown———
└ 192.156.14.0/24256USMC-BLTFWunknown———
└ 192.156.15.0/24256USMC-RGA1unknown———
└ 192.156.16.0/24256USMC-DSID16unknown———
└ 192.156.17.0/24256USMC-DSID17unknown———
└ 192.156.19.0/24256USMC-HQMCFWunknown———
└ 192.156.20.0/24256USMC-EWTGPACFWunknown———
└ 192.156.21.0/24256USMC-SITERFWMarine Corps Cyberspace Operations Group (UNOC) · USReassignedAug 13, 2025—
└ 192.156.22.0/24256USMC-CBIRFFWunknown———
└ 192.156.25.0/24256USMC-MFEFWunknown———
└ 192.156.26.0/24256USMC-MFRFWunknown———
└ 192.156.27.0/24256USMC-AAAVFWunknown———
└ 192.156.28.0/24256USMC-GITMOFWunknown———
└ 192.156.33.0/24256USMC-MARFORKFWunknown———
└ 192.156.34.0/24256USMC-DSID34unknown———
└ 192.156.35.0/24256USMC-DSID35unknown———
└ 192.156.36.0/24256USMC-PIKFWunknown———
└ 192.156.37.0/24256USMC-CLBFWunknown———
└ 192.156.38.0/24256USMC-DSID38unknown———
└ 192.156.39.0/24256USMC-DSID39unknown———
└ 192.156.40.0/24256USMC-C40unknown———
└ 192.156.41.0/24256USMC-TPN1unknown———
└ 192.156.42.0/24256USMC-DSID42unknown———
└ 192.156.43.0/24256USMC-DSID43unknown———
└ 192.156.44.0/24256USMC-DSID44unknown———
└ 192.156.45.0/24256USMC-DSID45unknown———
└ 192.156.46.0/24256USMC-MBWFWunknown———
└ 192.156.47.0/24256USMC-MARFORSOUHunknown———
└ 192.156.48.0/24256USMC-DSID48unknown———
└ 192.156.50.0/24256USMC-DSID50unknown———
└ 192.156.51.0/24256USMC-DSID51unknown———
└ 192.156.52.0/24256USMC-C52unknown———
└ 192.156.54.0/24256USMC-DSID54unknown———
└ 192.156.56.0/24256USMC-DSID56unknown———
└ 192.156.57.0/24256USMC-DSID57unknown———
└ 192.156.58.0/24256USMC-DSID58unknown———
└ 192.156.60.0/24256USMC-DSID60unknown———
└ 192.156.61.0/24256USMC-FUJI1unknown———
└ 192.156.62.0/24256USMC-DSID62unknown———
└ 192.156.63.0/24256USMC-IWZFWunknown———

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
Dec 2010
Current origin since
Dec 2010 · 16 yr
Origin networks
1