Data as of Nov 6, 2026
Autonomous system

AS26100

National Oceanic and Atmospheric Administration

Announces 2,304 addresses in 3 prefixes. None of it is anonymizer space.

Type
Education
US

Announced prefixes

Arrived
PrefixTypeRPKI
137.75.124.0/22
since Nov 2014
Business
205.156.56.0/22
since Oct 2011
Business
205.156.60.0/24
since Nov 2011
Business

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it