Data as of Nov 11, 2026

155.28.232.0/21

No anonymizer space · no proxy exits in 30 days

Headquarters, USAISC · reallocated from United States Department of Defense (DoD)

Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
0 / 100 · Low
Recent change
New origin Aug 2026
from AS1493 Headquarters, USAISC

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
155.28.0.0/1665,536PM-WIN-T-NET21United States Department of Defense (DoD) (USDDD) · USDirect AllocationOct 29, 1991disa.columbus.ns.mbx.hostmaster-dod-nic@mail.mil
└ 155.28.0.0/1665,536PM-WIN-T-NET21Headquarters, USAISC (HEADQU-3) · USReallocatedAug 25, 2025—

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Rotating
First seen
Aug 2022
Current origin since
Aug 2026 · 3 mo
Origin networks
2
Last change of origin
Jan 2023
Recorded history

History

Handoffs
2