Data as of Nov 3, 2026
Autonomous system

AS19281

Quad9

Announces 1,280 addresses in 5 prefixes. None of it is anonymizer space.

Type
Business
US

Announced prefixes

Arrived
PrefixTypeHolderRPKI
9.9.9.0/24
since Oct 2017
Business
147.72.242.0/24
since Oct 2025
BusinessPittsburgh Supercomputing Center
149.112.112.0/24
since Nov 2017
Business
149.112.149.0/24
since Nov 2017
Business
199.249.255.0/24
since Jul 2018
Business

Network & history

Profile
Registered
Sep 13, 2017
Domain
quad9.net
Website
www.quad9.net
Industry
Computer and Information Technology