Data as of Nov 15, 2026

199.252.128.0/18

No anonymizer space · no proxy exits in 30 days

United States Department of Defense (DoD)

Announcement
this exact prefix
No RPKI
Announced by
Type
Business

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
199.252.143.0/24
since Oct 2016
AS721BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
199.252.154.0/24
since Sep 2010
AS721BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
199.252.155.0/24
since May 2010
AS721BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
199.252.157.0/24
since May 2010
AS721BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
199.252.162.0/24
since May 2010
AS721BusinessUnited States Department of Defense (DoD)
via DoD Network Information Center
199.252.180.0/24
since May 2010
AS721BusinessUnited 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
199.251.0.0 - 199.252.255.255131,072DNIC-NETBLK-199-251United States Department of Defense (DoD) (USDDD) · USDirect AllocationMay 2, 1994disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 199.251.0.0 - 199.252.255.255131,072DNIC-NETBLK-199-251DoD Network Information Center (DNIC) · USReallocatedAug 27, 2025disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil

Network & registry

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