Data as of Nov 5, 2026

134.223.4.0/22

No anonymizer space · no proxy exits in 30 days

Northrop Grumman · space held by Northrop Grumman Corp.

Announcement
this exact prefix
No RPKI
Announced by
Type
Business
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeHolderRPKI
134.223.0.0/16
since May 2005
AS1906BusinessNorthrop Grumman Corp.

Network & registry

Origin network

AS1906

US
Name
Northrop Grumman
Type
Business
Registered
Jun 2, 1992
Domain
northropgrumman.com
Industry
Software Development
Spamhaus ASN-DROP
not listed