Data as of Nov 13, 2026

199.56.0.0/16

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
Risk
0 / 100 · Low

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
199.54.0.0 - 199.57.255.255262,144DNIC-NETBLK-199-054United States Department of Defense (DoD) (USDDD) · USDirect AllocationMar 21, 1996disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 199.54.0.0 - 199.57.255.255262,144DNIC-NETBLK-199-054DoD 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
Sep 2021
Current origin since
Sep 2021 · 5.1 yr
Origin networks
1