AS11928 Hachette Book Group, Inc. 🇺🇸 US

Announcing 5 prefixes, seen at the RIS collectors.

IPv4 prefixes
5
1,536 (6 × /24)
IPv6 prefixes
0
-
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS11928
Name
Hachette Book Group, Inc.
Organisation
Hachette Book Group, Inc.
Country
🇺🇸 US
RIR
ARIN
Allocated
1999-02-08

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

3 valid (60.0%) 0 invalid (0.0%) 2 no ROA (40.0%)

Announced prefixes

5 in total

Prefix RPKI Peers Sample path First seen
204.194.214.0/24 v4 no ROA 41 3549335611928 2026-09-18
204.194.215.0/24 v4 no ROA 41 3549335611928 2026-09-18
206.34.120.0/24 v4 RPKI valid 41 3549335611928 2026-09-18
206.34.121.0/24 v4 RPKI valid 41 3549335611928 2026-09-18
206.34.122.0/23 v4 RPKI valid 41 3549335611928 2026-09-18