Data as of Nov 10, 2026
Autonomous system

AS397511

Purdue University

Announces 9,728 addresses in 4 prefixes. None of it is anonymizer space.

Type
Education
US

Announced prefixes

Arrived
PrefixTypeRPKI
128.210.231.0/24Business
128.211.20.0/24Business
128.211.128.0/19
since May 2025
Business
128.211.160.0/22
since May 2025
Business

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it