Data as of Nov 14, 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

PrefixOriginTypeProxy exitsHolderRPKI
134.223.0.0/16
since May 2005
AS1906Business1Northrop Grumman Corp.

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Mar 2013
Current origin since
Mar 2013 · 14 yr
Origin networks
1