LAYER3 INTEL
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Data as of Nov 12, 2026

131.86.0.0/15

No anonymizer space

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

Arrived
PrefixOriginTypeHolderRPKI
131.86.0.0/16
since Sep 2016
AS721BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.86.0.0/23
since Jan 2020
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.86.3.0/24
since Feb 2010
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.86.9.0/24
since Sep 2019
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.86.10.0/24
since Sep 2019
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.86.23.0/24
since Feb 2014
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.86.32.0/23
since Jul 2019
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.86.34.0/23
since Jul 2019
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.86.42.0/24
since Jul 2019
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.86.43.0/24
since Jul 2019
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.86.45.0/24
since Jul 2019
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.86.51.0/24
since Jul 2019
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.86.55.0/24
since Jul 2019
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.86.63.0/24
since Jul 2019
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.86.130.0/24
since Feb 2026
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.86.131.0/24
since Feb 2026
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.86.160.0/24
since Oct 2020
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.86.165.0/24
since Oct 2020
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.86.168.0/24
since Oct 2020
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.86.176.0/23
since Mar 2025
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.86.178.0/23
since Mar 2025
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.86.180.0/23
since Apr 2026
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.86.200.0/23
since Dec 2017
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.86.202.0/23
since Dec 2017
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.86.232.0/23
since Apr 2026
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.86.234.0/23
since Apr 2026
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.86.245.0/24
since Apr 2026
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.86.246.0/24
since Sep 2025
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.86.247.0/24
since Sep 2025
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.86.248.0/23
since May 2022
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.86.250.0/23
since Jul 2021
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.86.255.0/24
since Apr 2019
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.0.0/16
since Dec 2010
AS721BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.6.0/24
since Oct 2016
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.7.0/24
since Oct 2016
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.10.0/24
since Oct 2016
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.12.0/24
since Oct 2016
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.13.0/24
since Oct 2016
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.40.0/22
since Oct 2016
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.53.0/24
since Oct 2016
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.60.0/24
since Mar 2026
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.68.0/24
since Oct 2016
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.73.0/24
since Nov 10, 2026
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.74.0/24
since Nov 10, 2026
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.83.0/24
since Nov 10, 2026
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.93.0/24
since Jul 2021
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.98.0/24
since Oct 2016
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.99.0/24
since Oct 2016
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.100.0/22
since Oct 2016
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.104.0/22
since Jul 2021
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.108.0/22
since Jul 2021
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.112.0/23
since Jul 2021
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.204.0/23
since Jul 2021
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.235.0/24
since Nov 2005
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.237.0/24
since Dec 2005
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.243.0/24
since Apr 2021
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.244.0/24
since Nov 10, 2026
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.245.0/24
since Sep 2005
AS27046BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.249.0/24
since Jun 2025
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.250.0/24
since Jun 2025
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.251.0/24
since Jun 2025
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.252.0/24
since Jun 2025
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.254.0/24
since Jun 2025
AS5852BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
131.87.255.0/24
since Jun 2025
AS5852BusinessUnited 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
131.86.0.0/1665,536DLA-EUROPE-NETUnited States Department of Defense (DoD) (USDDD) · USDirect AllocationOct 25, 1988disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 131.86.0.0/1665,536DLA-EUROPE-NETDoD Network Information Center (DNIC) · USReallocatedAug 28, 2025disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
131.87.0.0/1665,536DNIC-RNET-131-87United States Department of Defense (DoD) (USDDD) · USDirect AllocationOct 25, 1988disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 131.87.0.0/1665,536DNIC-RNET-131-87DoD Network Information Center (DNIC) · USReallocatedAug 28, 2025disa.columbus.ns.mbx.hostmaster-dod-nic@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