LAYER3 INTEL
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Data as of Nov 10, 2026

131.78.0.0/16

No anonymizer space · no proxy exits in 30 days

United States Department of Defense (DoD)

Announcement
131.76.0.0/14
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

Arrived
PrefixOriginTypeHolderRPKI
131.78.0.0/24
since Oct 2022
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.78.3.0/24
since Dec 2018
AS721BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.78.6.0/24
since Nov 10, 2026
AS27046Business
131.78.83.0/24
since Nov 2023
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.78.132.0/24
since Sep 2016
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.78.133.0/24
since Nov 10, 2026
AS27046Business
131.78.158.0/24
since Sep 2016
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.78.159.0/24
since Aug 2016
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.78.167.0/24
since Feb 2017
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.78.174.0/23
since Nov 2017
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.78.184.0/22
since Jan 2019
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.78.184.0/23
since Jan 2019
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.78.186.0/24
since Jan 2019
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.78.187.0/24
since Jan 2019
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.78.200.0/23
since Jan 2019
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.78.202.0/23
since Jun 2021
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.78.204.0/24
since Dec 2018
AS721BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.78.212.0/23
since Jan 2019
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.78.214.0/23
since Jun 2021
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.78.240.0/24
since Aug 2021
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.78.243.0/24
since Oct 2020
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
131.78.0.0/1665,536DSDCUnited States Department of Defense (DoD) (USDDD) · USDirect AllocationMar 24, 1989disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 131.78.0.0/1665,536DSDCDoD Network Information Center (DNIC) · USReallocatedAug 28, 2025disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced 131.76.0.0/14

131.76.0.0/14

Routing history

Pattern
Stable
First seen
Jun 2007
Current origin since
Dec 2010 · 16 yr
Origin networks
2
Last change of origin
Dec 2010
Recorded history

History

Handoffs
2