LAYER3 INTEL
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Data as of Nov 12, 2026

137.8.0.0/14

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

PrefixOriginTypeHolderRPKI
137.9.0.0/16
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.9.0.0/18
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.9.64.0/19
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.9.80.0/24
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.9.96.0/22
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.9.101.0/24
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.9.102.0/23
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.9.104.0/21
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.9.112.0/20
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.9.118.0/24
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.9.121.0/24
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.9.128.0/17
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.10.0.0/16
since Jul 2024
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.11.0.0/16
since Dec 2024
AS391BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking

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
137.8.0.0/1665,536DNIC-RNET-137-008unknown———
└ 137.8.0.0/1665,536DNIC-RNET-137-008DoD Network Information Center (DNIC) · USAllocationAug 28, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
137.9.0.0/1665,536ANDREWS2-NETUnited States Department of Defense (DoD) (USDDD) · USDirect AllocationMar 28, 1989disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 137.9.0.0/1665,536ANDREWS2-NETAir Force Systems Networking (7ESG) · USReallocatedAug 19, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
137.10.0.0/1665,536EDWARDS2-NETUnited States Department of Defense (DoD) (USDDD) · USDirect AllocationSep 7, 1995disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 137.10.0.0/1665,536EDWARDS2-NETAir Force Systems Networking (7ESG) · USReallocatedAug 19, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
137.11.0.0/1665,536AF-CONC-NET14United States Department of Defense (DoD) (USDDD) · USDirect AllocationMar 28, 1989disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 137.11.0.0/1665,536AF-CONC-NET14Air Force Systems Networking (7ESG) · USReallocatedAug 19, 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