Data as of Nov 6, 2026
Autonomous system

AS11928

Hachette Book Group, Inc.

Announces 1,536 addresses in 5 prefixes. None of it is anonymizer space.

Type
Business
US

Announced prefixes

Arrived
PrefixTypeHolderRPKI
204.194.214.0/24
since Oct 2011
Business
204.194.215.0/24
since Oct 2011
Business
206.34.120.0/24
since May 2007
BusinessLevel 3 Parent, LLC
206.34.121.0/24
since Mar 2008
BusinessLevel 3 Parent, LLC
206.34.122.0/23
since Sep 2006
BusinessLevel 3 Parent, LLC

Network & history

Routing patterns

How its announcements have moved

Arrivals

Year each prefix's current origin began announcing it