Data as of Nov 15, 2026

205.156.0.0/18

No anonymizer space · no proxy exits in 30 days

National Oceanic and Atmospheric Administration

Announcement
this exact prefix
RPKI valid
Announced by
Type
Business

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
205.156.56.0/22
since Oct 2011
AS26100BusinessNational Oceanic and Atmospheric Administration
205.156.60.0/24
since Nov 2011
AS26100BusinessNational Oceanic and Atmospheric Administration

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
Jun 2022
Current origin since
Jun 2022 · 4.4 yr
Origin networks
1