Data as of Nov 8, 2026
Autonomous system

AS36738

Athenahealth

Announces 3,328 addresses in 7 prefixes. None of it is anonymizer space.

Type
Business
US

Announced prefixes

Arrived
PrefixTypeHolderRPKI
162.208.24.0/22
since May 2024
Business
162.220.216.0/23
since May 2025
Business
162.220.218.0/23
since May 2025
Business
204.165.246.0/23
since Sep 2025
BusinessLevel 3 Parent, LLC
208.78.140.0/24
since Apr 2025
Business
208.78.141.0/24
since Aug 2025
Business
208.78.143.0/24
since Sep 2025
Business

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it