LAYER3 INTEL
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Data as of Nov 11, 2026

137.0.0.0/13

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
137.0.0.0/16
since Dec 2024
AS391BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.1.0.0/16
since Jul 2024
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.2.0.0/20
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.2.16.0/20
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.2.32.0/20
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.2.48.0/20
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.2.64.0/20
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.2.80.0/21
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.2.112.0/20
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.2.128.0/18
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.3.0.0/16
since Aug 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.3.120.0/24
since Dec 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.4.0.0/16
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.4.120.0/24
since Feb 2026
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.6.0.0/20
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.6.16.0/20
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.6.32.0/20
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.6.48.0/20
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.6.64.0/20
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.6.80.0/20
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.6.96.0/20
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.6.112.0/20
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.6.128.0/20
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.6.144.0/20
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.6.160.0/20
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.6.176.0/20
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.6.192.0/20
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.6.208.0/20
since Sep 2025
AS56BusinessUnited States Department of Defense (DoD)
via Air Force Systems Networking
137.7.0.0/16
since Aug 2025
AS56BusinessUnited 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
137.0.0.0/1665,536AF-AFMC-AFSN-137-0United States Department of Defense (DoD) (USDDD) · USDirect AllocationNov 1, 1989disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 137.0.0.0/1665,536AF-AFMC-AFSN-137-0Air Force Systems Networking (7ESG) · USReallocatedAug 19, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
137.1.0.0/1665,536WHITEMAN-NETUnited States Department of Defense (DoD) (USDDD) · USDirect AllocationNov 1, 1989disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 137.1.0.0/1665,536WHITEMAN-NETAir Force Systems Networking (7ESG) · USReallocatedAug 19, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
137.2.0.0/1665,536AF-AFMC-AFSN-137-2AF-AFMC-HNIB-EURAMVPNUnited States Department of Defense (DoD) (USDDD) · USDirect AllocationNov 1, 1989disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 137.2.0.0/1665,536AF-AFMC-AFSN-137-2AF-AFMC-HNIB-EURAMVPNAir Force Systems Networking (7ESG) · USReallocatedAug 19, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
137.3.0.0/1665,536LITTLEROCK1-NETUnited States Department of Defense (DoD) (USDDD) · USDirect AllocationNov 1, 1989disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 137.3.0.0/1665,536LITTLEROCK1-NETAir Force Systems Networking (7ESG) · USReallocatedAug 19, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
137.4.0.0/1665,536CHARLESTONUnited States Department of Defense (DoD) (USDDD) · USDirect AllocationFeb 14, 1997disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 137.4.0.0/1665,536CHARLESTONAir Force Systems Networking (7ESG) · USReallocatedAug 19, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
137.5.0.0/1665,536ONIZUKA-NETunknown———
└ 137.5.0.0/1665,536ONIZUKA-NETAir Force Systems Networking (7ESG) · USAllocationAug 19, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
137.6.0.0/1665,536AF-AFMC-AFSN-137-6United States Department of Defense (DoD) (USDDD) · USDirect AllocationMar 28, 1989disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 137.6.0.0/1665,536AF-AFMC-AFSN-137-6Air Force Systems Networking (7ESG) · USReallocatedAug 19, 2025disa.columbus.ns.mbx.arin-registrations@mail.mil
137.7.0.0/1665,536WHMC-NETUnited States Department of Defense (DoD) (USDDD) · USDirect AllocationMar 28, 1989disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 137.7.0.0/1665,536WHMC-NETAir 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